./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan --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 ec4497e08a1792200bf5eff0342ec51442e382a3 ........................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan --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 ec4497e08a1792200bf5eff0342ec51442e382a3 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:38:56,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:38:56,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:38:56,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:38:56,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:38:56,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:38:56,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:38:56,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:38:56,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:38:56,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:38:56,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:38:56,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:38:56,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:38:56,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:38:56,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:38:56,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:38:56,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:38:56,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:38:56,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:38:56,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:38:56,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:38:56,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:38:56,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:38:56,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:38:56,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:38:56,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:38:56,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:38:56,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:38:56,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:38:56,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:38:56,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:38:56,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:38:56,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:38:56,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:38:56,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:38:56,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:38:56,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:38:56,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:38:56,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:38:56,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:38:56,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:38:56,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:38:56,686 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:38:56,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:38:56,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:38:56,687 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:38:56,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:38:56,688 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:38:56,689 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:38:56,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:38:56,689 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:38:56,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:38:56,690 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:38:56,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:38:56,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:38:56,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:38:56,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:38:56,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:38:56,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:38:56,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:38:56,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:38:56,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:38:56,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:38:56,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:38:56,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:38:56,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:38:56,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:38:56,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:38:56,693 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-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2020-12-09 08:38:56,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:38:56,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:38:56,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:38:56,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:38:56,904 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:38:56,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-12-09 08:38:56,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/eb5e27a93/aee5a464186f458594cc2bcf786f5bed/FLAGea971c33d [2020-12-09 08:38:57,385 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:38:57,385 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-12-09 08:38:57,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/eb5e27a93/aee5a464186f458594cc2bcf786f5bed/FLAGea971c33d [2020-12-09 08:38:57,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/eb5e27a93/aee5a464186f458594cc2bcf786f5bed [2020-12-09 08:38:57,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:38:57,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:38:57,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:38:57,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:38:57,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:38:57,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:38:57" (1/1) ... [2020-12-09 08:38:57,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3a81cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:57, skipping insertion in model container [2020-12-09 08:38:57,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:38:57" (1/1) ... [2020-12-09 08:38:57,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:38:57,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:38:57,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2020-12-09 08:38:57,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:38:57,765 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-12-09 08:38:57,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4027dd03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:38:57, skipping insertion in model container [2020-12-09 08:38:57,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:38:57,766 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 08:38:57,767 INFO L168 Benchmark]: Toolchain (without parser) took 353.81 ms. Allocated memory is still 102.8 MB. Free memory was 63.5 MB in the beginning and 68.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:38:57,768 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:38:57,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.98 ms. Allocated memory is still 102.8 MB. Free memory was 63.2 MB in the beginning and 69.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:38:57,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 82.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 351.98 ms. Allocated memory is still 102.8 MB. Free memory was 63.2 MB in the beginning and 69.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 836]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 08:38:59,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:38:59,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:38:59,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:38:59,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:38:59,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:38:59,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:38:59,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:38:59,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:38:59,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:38:59,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:38:59,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:38:59,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:38:59,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:38:59,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:38:59,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:38:59,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:38:59,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:38:59,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:38:59,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:38:59,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:38:59,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:38:59,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:38:59,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:38:59,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:38:59,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:38:59,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:38:59,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:38:59,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:38:59,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:38:59,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:38:59,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:38:59,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:38:59,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:38:59,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:38:59,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:38:59,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:38:59,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:38:59,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:38:59,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:38:59,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:38:59,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:38:59,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:38:59,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:38:59,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:38:59,232 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:38:59,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:38:59,232 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:38:59,232 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:38:59,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:38:59,232 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:38:59,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:38:59,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:38:59,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:38:59,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:38:59,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:38:59,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:38:59,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:38:59,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:38:59,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:38:59,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:38:59,237 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-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4497e08a1792200bf5eff0342ec51442e382a3 [2020-12-09 08:38:59,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:38:59,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:38:59,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:38:59,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:38:59,487 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:38:59,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-12-09 08:38:59,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/8a4f394ab/ac9ca8588cab4b0ea58693beb92385f9/FLAGc2a3b9c90 [2020-12-09 08:38:59,980 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:38:59,980 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2020-12-09 08:38:59,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/8a4f394ab/ac9ca8588cab4b0ea58693beb92385f9/FLAGc2a3b9c90 [2020-12-09 08:39:00,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/data/8a4f394ab/ac9ca8588cab4b0ea58693beb92385f9 [2020-12-09 08:39:00,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:39:00,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:39:00,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:39:00,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:39:00,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:39:00,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cda5a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00, skipping insertion in model container [2020-12-09 08:39:00,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:39:00,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:39:00,238 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2020-12-09 08:39:00,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:39:00,406 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 08:39:00,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:39:00,421 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2020-12-09 08:39:00,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:39:00,501 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:39:00,514 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[3965,3978] [2020-12-09 08:39:00,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:39:00,624 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:39:00,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00 WrapperNode [2020-12-09 08:39:00,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:39:00,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:39:00,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:39:00,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:39:00,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:39:00,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:39:00,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:39:00,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:39:00,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... [2020-12-09 08:39:00,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:39:00,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:39:00,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:39:00,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:39:00,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/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 [2020-12-09 08:39:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-09 08:39:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:39:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:39:00,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:39:00,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:39:02,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:39:02,810 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2020-12-09 08:39:02,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:39:02 BoogieIcfgContainer [2020-12-09 08:39:02,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:39:02,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:39:02,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:39:02,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:39:02,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:39:00" (1/3) ... [2020-12-09 08:39:02,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4061fc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:39:02, skipping insertion in model container [2020-12-09 08:39:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:39:00" (2/3) ... [2020-12-09 08:39:02,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4061fc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:39:02, skipping insertion in model container [2020-12-09 08:39:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:39:02" (3/3) ... [2020-12-09 08:39:02,817 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2020-12-09 08:39:02,827 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:39:02,829 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 08:39:02,836 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 08:39:02,852 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:39:02,852 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:39:02,852 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:39:02,852 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:39:02,852 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:39:02,852 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:39:02,852 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:39:02,853 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:39:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2020-12-09 08:39:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-09 08:39:02,868 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:02,868 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:02,868 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:02,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:02,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2020-12-09 08:39:02,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:02,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988912481] [2020-12-09 08:39:02,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:03,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 08:39:03,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:03,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:03,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988912481] [2020-12-09 08:39:03,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:03,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:39:03,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100869200] [2020-12-09 08:39:03,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 08:39:03,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:03,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 08:39:03,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:39:03,177 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2020-12-09 08:39:03,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:03,202 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2020-12-09 08:39:03,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 08:39:03,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2020-12-09 08:39:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:03,214 INFO L225 Difference]: With dead ends: 221 [2020-12-09 08:39:03,215 INFO L226 Difference]: Without dead ends: 118 [2020-12-09 08:39:03,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 08:39:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-09 08:39:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-09 08:39:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-09 08:39:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2020-12-09 08:39:03,249 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2020-12-09 08:39:03,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:03,250 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2020-12-09 08:39:03,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 08:39:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2020-12-09 08:39:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-09 08:39:03,251 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:03,251 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:03,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:39:03,452 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:03,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2020-12-09 08:39:03,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:03,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318330449] [2020-12-09 08:39:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:03,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:39:03,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:03,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:03,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318330449] [2020-12-09 08:39:03,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:03,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:03,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133060205] [2020-12-09 08:39:03,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:03,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:03,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:03,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:03,737 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand 3 states. [2020-12-09 08:39:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:03,791 INFO L93 Difference]: Finished difference Result 327 states and 519 transitions. [2020-12-09 08:39:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:03,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-09 08:39:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:03,795 INFO L225 Difference]: With dead ends: 327 [2020-12-09 08:39:03,795 INFO L226 Difference]: Without dead ends: 220 [2020-12-09 08:39:03,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:03,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-12-09 08:39:03,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 117. [2020-12-09 08:39:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-09 08:39:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 183 transitions. [2020-12-09 08:39:03,814 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 183 transitions. Word has length 35 [2020-12-09 08:39:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:03,814 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 183 transitions. [2020-12-09 08:39:03,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2020-12-09 08:39:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-09 08:39:03,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:03,816 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:04,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:39:04,016 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:04,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2107249571, now seen corresponding path program 1 times [2020-12-09 08:39:04,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:04,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938986793] [2020-12-09 08:39:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:04,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:39:04,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:04,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:04,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938986793] [2020-12-09 08:39:04,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:04,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:04,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032578736] [2020-12-09 08:39:04,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:04,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:04,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:04,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:04,247 INFO L87 Difference]: Start difference. First operand 117 states and 183 transitions. Second operand 3 states. [2020-12-09 08:39:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:04,278 INFO L93 Difference]: Finished difference Result 220 states and 346 transitions. [2020-12-09 08:39:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:04,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-09 08:39:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:04,279 INFO L225 Difference]: With dead ends: 220 [2020-12-09 08:39:04,280 INFO L226 Difference]: Without dead ends: 118 [2020-12-09 08:39:04,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:04,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-09 08:39:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2020-12-09 08:39:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-09 08:39:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 180 transitions. [2020-12-09 08:39:04,288 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 180 transitions. Word has length 36 [2020-12-09 08:39:04,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:04,288 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 180 transitions. [2020-12-09 08:39:04,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:04,289 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2020-12-09 08:39:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-09 08:39:04,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:04,290 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:04,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:39:04,491 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:04,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2020-12-09 08:39:04,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:04,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368577762] [2020-12-09 08:39:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:04,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:04,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:04,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:04,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368577762] [2020-12-09 08:39:04,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:04,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:04,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925876731] [2020-12-09 08:39:04,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:04,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:04,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:04,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:04,799 INFO L87 Difference]: Start difference. First operand 117 states and 180 transitions. Second operand 3 states. [2020-12-09 08:39:04,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:04,812 INFO L93 Difference]: Finished difference Result 191 states and 289 transitions. [2020-12-09 08:39:04,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:04,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-09 08:39:04,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:04,814 INFO L225 Difference]: With dead ends: 191 [2020-12-09 08:39:04,814 INFO L226 Difference]: Without dead ends: 120 [2020-12-09 08:39:04,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-09 08:39:04,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2020-12-09 08:39:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-09 08:39:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 182 transitions. [2020-12-09 08:39:04,822 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 182 transitions. Word has length 38 [2020-12-09 08:39:04,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:04,822 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 182 transitions. [2020-12-09 08:39:04,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 182 transitions. [2020-12-09 08:39:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-09 08:39:04,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:04,824 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:05,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:39:05,026 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:05,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:05,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1719269101, now seen corresponding path program 1 times [2020-12-09 08:39:05,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:05,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813392908] [2020-12-09 08:39:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:05,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:39:05,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:05,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:05,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813392908] [2020-12-09 08:39:05,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2050348150] [2020-12-09 08:39:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-09 08:39:05,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:39:05,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:05,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:39:05,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 4] total 13 [2020-12-09 08:39:05,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910432265] [2020-12-09 08:39:05,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 08:39:05,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:05,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 08:39:05,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-12-09 08:39:05,759 INFO L87 Difference]: Start difference. First operand 119 states and 182 transitions. Second operand 9 states. [2020-12-09 08:39:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:09,024 INFO L93 Difference]: Finished difference Result 566 states and 805 transitions. [2020-12-09 08:39:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-09 08:39:09,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-12-09 08:39:09,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:09,027 INFO L225 Difference]: With dead ends: 566 [2020-12-09 08:39:09,027 INFO L226 Difference]: Without dead ends: 516 [2020-12-09 08:39:09,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2020-12-09 08:39:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-12-09 08:39:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 175. [2020-12-09 08:39:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-12-09 08:39:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 264 transitions. [2020-12-09 08:39:09,047 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 264 transitions. Word has length 43 [2020-12-09 08:39:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:09,047 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 264 transitions. [2020-12-09 08:39:09,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 08:39:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 264 transitions. [2020-12-09 08:39:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-09 08:39:09,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:09,048 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:09,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3 [2020-12-09 08:39:09,450 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:09,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:09,452 INFO L82 PathProgramCache]: Analyzing trace with hash 943468756, now seen corresponding path program 1 times [2020-12-09 08:39:09,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:09,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873288181] [2020-12-09 08:39:09,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:09,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:39:09,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:09,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:09,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873288181] [2020-12-09 08:39:09,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1728508578] [2020-12-09 08:39:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:09,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 08:39:09,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:39:10,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:10,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:39:10,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 10 [2020-12-09 08:39:10,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127341103] [2020-12-09 08:39:10,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 08:39:10,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:10,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 08:39:10,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-09 08:39:10,024 INFO L87 Difference]: Start difference. First operand 175 states and 264 transitions. Second operand 6 states. [2020-12-09 08:39:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:10,125 INFO L93 Difference]: Finished difference Result 309 states and 451 transitions. [2020-12-09 08:39:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 08:39:10,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-12-09 08:39:10,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:10,127 INFO L225 Difference]: With dead ends: 309 [2020-12-09 08:39:10,127 INFO L226 Difference]: Without dead ends: 212 [2020-12-09 08:39:10,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-12-09 08:39:10,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-09 08:39:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 168. [2020-12-09 08:39:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-12-09 08:39:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 250 transitions. [2020-12-09 08:39:10,141 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 250 transitions. Word has length 44 [2020-12-09 08:39:10,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:10,141 INFO L481 AbstractCegarLoop]: Abstraction has 168 states and 250 transitions. [2020-12-09 08:39:10,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 08:39:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 250 transitions. [2020-12-09 08:39:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-09 08:39:10,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:10,143 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:10,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3 [2020-12-09 08:39:10,545 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:10,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1174671319, now seen corresponding path program 1 times [2020-12-09 08:39:10,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:10,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608163483] [2020-12-09 08:39:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:10,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:39:10,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:10,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:10,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608163483] [2020-12-09 08:39:10,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1470189729] [2020-12-09 08:39:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:11,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:39:11,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:39:11,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:11,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:39:11,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2020-12-09 08:39:11,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000277569] [2020-12-09 08:39:11,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:39:11,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:11,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:39:11,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:39:11,163 INFO L87 Difference]: Start difference. First operand 168 states and 250 transitions. Second operand 5 states. [2020-12-09 08:39:11,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:11,285 INFO L93 Difference]: Finished difference Result 465 states and 687 transitions. [2020-12-09 08:39:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 08:39:11,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-12-09 08:39:11,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:11,287 INFO L225 Difference]: With dead ends: 465 [2020-12-09 08:39:11,287 INFO L226 Difference]: Without dead ends: 376 [2020-12-09 08:39:11,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-12-09 08:39:11,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-12-09 08:39:11,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 288. [2020-12-09 08:39:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-12-09 08:39:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 435 transitions. [2020-12-09 08:39:11,314 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 435 transitions. Word has length 44 [2020-12-09 08:39:11,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:11,314 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 435 transitions. [2020-12-09 08:39:11,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:39:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 435 transitions. [2020-12-09 08:39:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-09 08:39:11,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:11,315 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:11,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:11,718 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:11,719 INFO L82 PathProgramCache]: Analyzing trace with hash -955838969, now seen corresponding path program 1 times [2020-12-09 08:39:11,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:11,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197243442] [2020-12-09 08:39:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:11,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:39:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:11,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:12,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197243442] [2020-12-09 08:39:12,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1813623139] [2020-12-09 08:39:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:12,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 08:39:12,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:39:12,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:12,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:39:12,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2020-12-09 08:39:12,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512398868] [2020-12-09 08:39:12,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:39:12,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:12,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:39:12,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 08:39:12,265 INFO L87 Difference]: Start difference. First operand 288 states and 435 transitions. Second operand 4 states. [2020-12-09 08:39:12,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:12,311 INFO L93 Difference]: Finished difference Result 370 states and 542 transitions. [2020-12-09 08:39:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 08:39:12,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-12-09 08:39:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:12,313 INFO L225 Difference]: With dead ends: 370 [2020-12-09 08:39:12,313 INFO L226 Difference]: Without dead ends: 248 [2020-12-09 08:39:12,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:39:12,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-12-09 08:39:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2020-12-09 08:39:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-09 08:39:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 324 transitions. [2020-12-09 08:39:12,332 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 324 transitions. Word has length 44 [2020-12-09 08:39:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:12,333 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 324 transitions. [2020-12-09 08:39:12,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:39:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 324 transitions. [2020-12-09 08:39:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-09 08:39:12,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:12,333 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:12,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 08:39:12,735 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:12,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:12,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1597021696, now seen corresponding path program 1 times [2020-12-09 08:39:12,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:12,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565907549] [2020-12-09 08:39:12,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:12,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:12,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:12,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:12,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565907549] [2020-12-09 08:39:12,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:12,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:12,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898380148] [2020-12-09 08:39:12,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:12,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:12,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:12,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:12,987 INFO L87 Difference]: Start difference. First operand 216 states and 324 transitions. Second operand 3 states. [2020-12-09 08:39:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:13,018 INFO L93 Difference]: Finished difference Result 608 states and 924 transitions. [2020-12-09 08:39:13,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:13,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-09 08:39:13,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:13,021 INFO L225 Difference]: With dead ends: 608 [2020-12-09 08:39:13,021 INFO L226 Difference]: Without dead ends: 411 [2020-12-09 08:39:13,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-12-09 08:39:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 272. [2020-12-09 08:39:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-09 08:39:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 428 transitions. [2020-12-09 08:39:13,049 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 428 transitions. Word has length 52 [2020-12-09 08:39:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:13,049 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 428 transitions. [2020-12-09 08:39:13,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 428 transitions. [2020-12-09 08:39:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-09 08:39:13,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:13,050 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:13,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-12-09 08:39:13,251 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:13,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:13,252 INFO L82 PathProgramCache]: Analyzing trace with hash -186933284, now seen corresponding path program 1 times [2020-12-09 08:39:13,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:13,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799149572] [2020-12-09 08:39:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:13,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:13,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:13,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:13,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799149572] [2020-12-09 08:39:13,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:13,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:13,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944396139] [2020-12-09 08:39:13,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:13,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:13,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:13,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:13,519 INFO L87 Difference]: Start difference. First operand 272 states and 428 transitions. Second operand 3 states. [2020-12-09 08:39:13,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:13,569 INFO L93 Difference]: Finished difference Result 774 states and 1232 transitions. [2020-12-09 08:39:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:13,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-09 08:39:13,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:13,573 INFO L225 Difference]: With dead ends: 774 [2020-12-09 08:39:13,573 INFO L226 Difference]: Without dead ends: 521 [2020-12-09 08:39:13,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-12-09 08:39:13,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 382. [2020-12-09 08:39:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-12-09 08:39:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 630 transitions. [2020-12-09 08:39:13,594 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 630 transitions. Word has length 53 [2020-12-09 08:39:13,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:13,594 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 630 transitions. [2020-12-09 08:39:13,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 630 transitions. [2020-12-09 08:39:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-09 08:39:13,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:13,595 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:13,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-12-09 08:39:13,796 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:13,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:13,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1955314594, now seen corresponding path program 1 times [2020-12-09 08:39:13,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:13,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532151221] [2020-12-09 08:39:13,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:14,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:14,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:14,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:14,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532151221] [2020-12-09 08:39:14,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:14,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:14,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413735568] [2020-12-09 08:39:14,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:14,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:14,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:14,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:14,269 INFO L87 Difference]: Start difference. First operand 382 states and 630 transitions. Second operand 3 states. [2020-12-09 08:39:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:14,308 INFO L93 Difference]: Finished difference Result 1100 states and 1830 transitions. [2020-12-09 08:39:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:14,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-09 08:39:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:14,312 INFO L225 Difference]: With dead ends: 1100 [2020-12-09 08:39:14,312 INFO L226 Difference]: Without dead ends: 737 [2020-12-09 08:39:14,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-12-09 08:39:14,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 598. [2020-12-09 08:39:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-12-09 08:39:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1022 transitions. [2020-12-09 08:39:14,339 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1022 transitions. Word has length 54 [2020-12-09 08:39:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:14,340 INFO L481 AbstractCegarLoop]: Abstraction has 598 states and 1022 transitions. [2020-12-09 08:39:14,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:14,340 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1022 transitions. [2020-12-09 08:39:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-09 08:39:14,341 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:14,341 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:14,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-12-09 08:39:14,541 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:14,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:14,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1992051330, now seen corresponding path program 1 times [2020-12-09 08:39:14,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:14,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030317929] [2020-12-09 08:39:14,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:14,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:14,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:14,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:14,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030317929] [2020-12-09 08:39:14,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:14,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:14,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990564826] [2020-12-09 08:39:14,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:14,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:14,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:14,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:14,782 INFO L87 Difference]: Start difference. First operand 598 states and 1022 transitions. Second operand 3 states. [2020-12-09 08:39:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:14,856 INFO L93 Difference]: Finished difference Result 1740 states and 2990 transitions. [2020-12-09 08:39:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:14,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-09 08:39:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:14,863 INFO L225 Difference]: With dead ends: 1740 [2020-12-09 08:39:14,863 INFO L226 Difference]: Without dead ends: 1161 [2020-12-09 08:39:14,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-12-09 08:39:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1022. [2020-12-09 08:39:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-12-09 08:39:14,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1782 transitions. [2020-12-09 08:39:14,924 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1782 transitions. Word has length 55 [2020-12-09 08:39:14,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:14,924 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1782 transitions. [2020-12-09 08:39:14,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1782 transitions. [2020-12-09 08:39:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-09 08:39:14,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:14,926 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:15,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-12-09 08:39:15,127 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:15,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1363693892, now seen corresponding path program 1 times [2020-12-09 08:39:15,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:15,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61414009] [2020-12-09 08:39:15,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:15,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:15,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:15,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:15,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61414009] [2020-12-09 08:39:15,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:39:15,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:39:15,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102347256] [2020-12-09 08:39:15,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:15,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:15,360 INFO L87 Difference]: Start difference. First operand 1022 states and 1782 transitions. Second operand 3 states. [2020-12-09 08:39:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:15,426 INFO L93 Difference]: Finished difference Result 2996 states and 5238 transitions. [2020-12-09 08:39:15,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:15,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-09 08:39:15,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:15,435 INFO L225 Difference]: With dead ends: 2996 [2020-12-09 08:39:15,435 INFO L226 Difference]: Without dead ends: 1993 [2020-12-09 08:39:15,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:39:15,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2020-12-09 08:39:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1854. [2020-12-09 08:39:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1854 states. [2020-12-09 08:39:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 3254 transitions. [2020-12-09 08:39:15,515 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 3254 transitions. Word has length 56 [2020-12-09 08:39:15,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:15,516 INFO L481 AbstractCegarLoop]: Abstraction has 1854 states and 3254 transitions. [2020-12-09 08:39:15,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 3254 transitions. [2020-12-09 08:39:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-09 08:39:15,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:15,519 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-09 08:39:15,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2020-12-09 08:39:15,719 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:15,719 INFO L82 PathProgramCache]: Analyzing trace with hash 161239840, now seen corresponding path program 1 times [2020-12-09 08:39:15,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:15,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355079769] [2020-12-09 08:39:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:15,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:39:15,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:15,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:39:15,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355079769] [2020-12-09 08:39:15,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1448711388] [2020-12-09 08:39:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:16,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:39:16,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 08:39:16,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:16,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:39:16,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2020-12-09 08:39:16,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110618590] [2020-12-09 08:39:16,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 08:39:16,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:16,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 08:39:16,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-09 08:39:16,283 INFO L87 Difference]: Start difference. First operand 1854 states and 3254 transitions. Second operand 5 states. [2020-12-09 08:39:16,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:16,380 INFO L93 Difference]: Finished difference Result 1882 states and 3293 transitions. [2020-12-09 08:39:16,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:39:16,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-09 08:39:16,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:16,381 INFO L225 Difference]: With dead ends: 1882 [2020-12-09 08:39:16,381 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:39:16,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:39:16,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:39:16,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:39:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:39:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:39:16,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-12-09 08:39:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:16,384 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:39:16,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 08:39:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:39:16,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:39:16,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,20 cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:16,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:39:16,905 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2020-12-09 08:39:18,198 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2020-12-09 08:39:18,632 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2020-12-09 08:39:18,753 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-12-09 08:39:18,953 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-12-09 08:39:19,074 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2020-12-09 08:39:19,261 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2020-12-09 08:39:19,685 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2020-12-09 08:39:20,114 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2020-12-09 08:39:20,286 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-12-09 08:39:20,451 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2020-12-09 08:39:20,987 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2020-12-09 08:39:21,141 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2020-12-09 08:39:21,575 WARN L197 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2020-12-09 08:39:21,873 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-12-09 08:39:22,070 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-12-09 08:39:22,338 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2020-12-09 08:39:22,513 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-09 08:39:22,923 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2020-12-09 08:39:23,232 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 39 [2020-12-09 08:39:23,675 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 39 [2020-12-09 08:39:23,927 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2020-12-09 08:39:24,140 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-12-09 08:39:24,147 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2020-12-09 08:39:24,147 INFO L262 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-12-09 08:39:24,147 INFO L258 CegarLoopResult]: At program point L498-2(lines 491 506) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L258 CegarLoopResult]: At program point L498-5(lines 491 506) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L258 CegarLoopResult]: At program point L498-8(lines 491 506) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv2 32) ~rjh~0)) (.cse5 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5))) [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L532(lines 532 540) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L532-2(lines 532 540) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L532-4(lines 532 540) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L2184(lines 2184 2200) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L2184-1(lines 2184 2200) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L258 CegarLoopResult]: At program point L368-1(lines 243 386) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,148 INFO L262 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-12-09 08:39:24,148 INFO L258 CegarLoopResult]: At program point L535-2(lines 528 543) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L258 CegarLoopResult]: At program point L535-5(lines 528 543) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv2 32) ~rjh~0)) (.cse6 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse4 .cse5 .cse6 .cse7) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L535-6(lines 535 539) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L258 CegarLoopResult]: At program point L535-8(lines 528 543) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,149 INFO L258 CegarLoopResult]: At program point L305(lines 295 381) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,149 INFO L258 CegarLoopResult]: At program point L272(lines 262 384) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L173(lines 173 180) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L2188(lines 2188 2199) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L265 CegarLoopResult]: At program point L173-1(lines 173 180) the Hoare annotation is: true [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L2188-1(lines 2188 2199) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L2255(lines 2255 2267) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L2255-2(lines 2255 2267) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L2255-4(lines 2255 2267) no Hoare annotation was computed. [2020-12-09 08:39:24,149 INFO L262 CegarLoopResult]: For program point L439(lines 439 450) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L439-1(lines 439 450) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L258 CegarLoopResult]: At program point L341(lines 331 378) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2258(lines 2258 2266) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2258-2(lines 2258 2266) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2192(lines 2192 2198) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2258-4(lines 2258 2266) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2192-1(lines 2192 2198) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L310(lines 310 317) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L258 CegarLoopResult]: At program point L2391(lines 2386 2394) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv2 32) ~rjh~0)) (.cse6 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5 .cse6))) [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L244(lines 243 386) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L476(lines 476 487) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L443(lines 443 449) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L476-1(lines 476 487) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L443-1(lines 443 449) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L245(lines 245 249) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2261(lines 2261 2265) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L262 CegarLoopResult]: For program point L2261-3(lines 2261 2265) no Hoare annotation was computed. [2020-12-09 08:39:24,150 INFO L258 CegarLoopResult]: At program point L2261-2(lines 1 2541) the Hoare annotation is: (and (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,150 INFO L258 CegarLoopResult]: At program point L2261-5(lines 1 2541) the Hoare annotation is: (and (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L2261-6(lines 2261 2265) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L258 CegarLoopResult]: At program point L2261-8(lines 1 2541) the Hoare annotation is: (and (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L265 CegarLoopResult]: At program point L181(lines 163 183) the Hoare annotation is: true [2020-12-09 08:39:24,151 INFO L258 CegarLoopResult]: At program point L2197-1(lines 2180 2203) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) |ULTIMATE.start_getClientForwardReceiver_#res|) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))))) [2020-12-09 08:39:24,151 INFO L258 CegarLoopResult]: At program point L2197(lines 2180 2203) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L513(lines 513 524) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L480(lines 480 486) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L513-1(lines 513 524) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L513-2(lines 513 524) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L480-1(lines 480 486) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L513-3(lines 513 524) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L2231-1(lines 2231 2247) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L2231(lines 2231 2247) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L262 CegarLoopResult]: For program point L117(lines 117 125) no Hoare annotation was computed. [2020-12-09 08:39:24,151 INFO L258 CegarLoopResult]: At program point L448(lines 435 453) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse6 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)))) (or (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-09 08:39:24,151 INFO L265 CegarLoopResult]: At program point L448-1(lines 435 453) the Hoare annotation is: true [2020-12-09 08:39:24,151 INFO L258 CegarLoopResult]: At program point L283(lines 273 383) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L2530(lines 1 2541) the Hoare annotation is: (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L251(lines 251 385) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L517-2(lines 517 523) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L517-3(lines 517 523) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L2400(lines 2395 2403) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv2 32) ~rjh~0)) (.cse6 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5 .cse6))) [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L352(lines 342 377) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L319(lines 306 380) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L2235-1(lines 2235 2246) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L2235(lines 2235 2246) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L485(lines 472 490) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse6 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)))) (or (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-09 08:39:24,152 INFO L265 CegarLoopResult]: At program point L485-1(lines 472 490) the Hoare annotation is: true [2020-12-09 08:39:24,152 INFO L258 CegarLoopResult]: At program point L387(lines 242 388) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-12-09 08:39:24,152 INFO L262 CegarLoopResult]: For program point L255(lines 255 259) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L258 CegarLoopResult]: At program point L2337-1(lines 1 2541) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv2 32) ~rjh~0)) (.cse6 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5 .cse6))) [2020-12-09 08:39:24,153 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L262 CegarLoopResult]: For program point L2337(lines 2337 2344) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L262 CegarLoopResult]: For program point L2337-2(lines 2337 2344) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L258 CegarLoopResult]: At program point L2503(lines 2492 2506) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,153 INFO L262 CegarLoopResult]: For program point L2239-1(lines 2239 2245) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L262 CegarLoopResult]: For program point L2239(lines 2239 2245) no Hoare annotation was computed. [2020-12-09 08:39:24,153 INFO L258 CegarLoopResult]: At program point L522(lines 509 527) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_getEmailTo_#res| (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) [2020-12-09 08:39:24,153 INFO L258 CegarLoopResult]: At program point L522-1(lines 509 527) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-09 08:39:24,153 INFO L258 CegarLoopResult]: At program point L522-2(lines 509 527) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 (= ULTIMATE.start_incoming_~fwreceiver~0 (_ bv0 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv0 32) (bvadd |ULTIMATE.start_getEmailTo_#res| (_ bv4294967294 32))) .cse2 .cse3 (= (_ bv0 32) |ULTIMATE.start_getClientForwardReceiver_#res|) .cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))))) [2020-12-09 08:39:24,153 INFO L265 CegarLoopResult]: At program point L522-3(lines 509 527) the Hoare annotation is: true [2020-12-09 08:39:24,154 INFO L265 CegarLoopResult]: At program point L2471-1(lines 2446 2473) the Hoare annotation is: true [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L2471(lines 2446 2473) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1189) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L1183-2(lines 1183 1189) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L2538(lines 2533 2541) the Hoare annotation is: (and (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L2208(lines 2208 2220) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L160(lines 140 162) the Hoare annotation is: (and (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L294(lines 284 382) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L261(lines 251 385) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L2409(lines 2404 2412) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv2 32) ~rjh~0)) (.cse6 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5 .cse6))) [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L2244(lines 2227 2250) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,154 INFO L262 CegarLoopResult]: For program point L2211(lines 2211 2219) no Hoare annotation was computed. [2020-12-09 08:39:24,154 INFO L258 CegarLoopResult]: At program point L2244-1(lines 2227 2250) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv2 32) ~rjh~0)) (.cse5 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) .cse4 .cse5))) [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L495(lines 495 503) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L495-2(lines 495 503) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L363(lines 353 376) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L495-4(lines 495 503) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L330(lines 320 379) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L2214(lines 2214 2218) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L2214-2(lines 1 2541) the Hoare annotation is: (and (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L2479-1(lines 2474 2482) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L2479(lines 2474 2482) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse5 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv2 32) ~rjh~0)) (.cse7 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)))) (or (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-12-09 08:39:24,155 INFO L265 CegarLoopResult]: At program point L2479-3(lines 2474 2482) the Hoare annotation is: true [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L2479-2(lines 2474 2482) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|) (= (_ bv2 32) ~rjh~0) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,155 INFO L262 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-12-09 08:39:24,155 INFO L258 CegarLoopResult]: At program point L2314(lines 1 2541) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32))) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ~rjh~0) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_getEmailTo_#res| (_ bv4294967294 32))) (= (bvadd ULTIMATE.start_incoming_~client (_ bv4294967294 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 08:39:24,156 INFO L262 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-12-09 08:39:24,156 INFO L258 CegarLoopResult]: At program point L200(lines 1175 1192) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_outgoing_~msg (_ bv4294967295 32)))) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isReadable_#res|)) (.cse6 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv2 32) ~rjh~0)) (.cse8 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)))) (or (and .cse0 .cse1 (= (_ bv2 32) ~__ste_email_to0~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse5 .cse6 .cse7 .cse8 .cse9))) [2020-12-09 08:39:24,156 INFO L258 CegarLoopResult]: At program point L2314-1(lines 1 2541) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_createEmail_~to (_ bv4294967294 32)))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (bvadd ULTIMATE.start_createEmail_~msg~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (bvadd |ULTIMATE.start_valid_product_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv0 32) (bvadd |ULTIMATE.start_getEmailTo_#res| (_ bv4294967294 32))) .cse2 (= (bvadd ULTIMATE.start_incoming_~client (_ bv4294967294 32)) (_ bv0 32)) .cse3 (= (_ bv0 32) |ULTIMATE.start_getClientForwardReceiver_#res|) .cse4 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))))) [2020-12-09 08:39:24,156 INFO L265 CegarLoopResult]: At program point L200-1(lines 1175 1192) the Hoare annotation is: true [2020-12-09 08:39:24,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:39:24 BoogieIcfgContainer [2020-12-09 08:39:24,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:39:24,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:39:24,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:39:24,192 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:39:24,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:39:02" (3/4) ... [2020-12-09 08:39:24,195 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:39:24,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2020-12-09 08:39:24,217 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-12-09 08:39:24,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 08:39:24,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 08:39:24,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:39:24,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:39:24,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0bv32 == __ste_client_forwardReceiver1 && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,246 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0bv32 == __ste_client_forwardReceiver1 && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == __ste_client_forwardReceiver1 && 2bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == __ste_client_forwardReceiver1 && 3bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == __ste_client_forwardReceiver1 && 3bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,247 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,248 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(to, 4294967294bv32) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == value && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,249 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32 [2020-12-09 08:39:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == value && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 2bv32 == rjh) && handle == 1bv32) && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && ~bvadd64(client, 4294967294bv32) == 0bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32 [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || (((((((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) [2020-12-09 08:39:24,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) [2020-12-09 08:39:24,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 2bv32 == rjh) && handle == 1bv32) || (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == __ste_client_forwardReceiver1) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(client, 4294967294bv32) == 0bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 2bv32 == rjh) && handle == 1bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && 0bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) || (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2020-12-09 08:39:24,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-12-09 08:39:24,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3398a984-db33-4e88-8206-aa4cba4434a5/bin/utaipan/witness.graphml [2020-12-09 08:39:24,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:39:24,305 INFO L168 Benchmark]: Toolchain (without parser) took 24296.88 ms. Allocated memory was 65.0 MB in the beginning and 218.1 MB in the end (delta: 153.1 MB). Free memory was 45.6 MB in the beginning and 65.6 MB in the end (delta: -20.0 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,306 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:39:24,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.93 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 45.4 MB in the beginning and 61.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.28 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 55.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,306 INFO L168 Benchmark]: Boogie Preprocessor took 45.54 ms. Allocated memory is still 83.9 MB. Free memory was 55.9 MB in the beginning and 52.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,307 INFO L168 Benchmark]: RCFGBuilder took 2061.13 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 62.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,307 INFO L168 Benchmark]: TraceAbstraction took 21378.27 ms. Allocated memory was 102.8 MB in the beginning and 218.1 MB in the end (delta: 115.3 MB). Free memory was 61.3 MB in the beginning and 80.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 122.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,307 INFO L168 Benchmark]: Witness Printer took 113.28 ms. Allocated memory is still 218.1 MB. Free memory was 80.2 MB in the beginning and 65.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:24,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.93 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 45.4 MB in the beginning and 61.3 MB in the end (delta: -15.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.28 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 55.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.54 ms. Allocated memory is still 83.9 MB. Free memory was 55.9 MB in the beginning and 52.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2061.13 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 62.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21378.27 ms. Allocated memory was 102.8 MB in the beginning and 218.1 MB in the end (delta: 115.3 MB). Free memory was 61.3 MB in the beginning and 80.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 122.3 MB. Max. memory is 16.1 GB. * Witness Printer took 113.28 ms. Allocated memory is still 218.1 MB. Free memory was 80.2 MB in the beginning and 65.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 199]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == __ste_client_forwardReceiver1 - InvariantResult [Line: 2386]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == value && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 2bv32 == rjh) && handle == 1bv32) && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && ~bvadd64(client, 4294967294bv32) == 0bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32 - InvariantResult [Line: 2180]: Loop Invariant Derived loop invariant: (((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((0bv32 == __ste_client_forwardReceiver1 && 3bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 2474]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || (((((((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == __ste_client_forwardReceiver1 && 3bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 2533]: Loop Invariant Derived loop invariant: 0bv32 == __ste_client_forwardReceiver1 && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == __ste_client_forwardReceiver1 && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(to, 4294967294bv32) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == __ste_client_forwardReceiver1 && 2bv32 == handle) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((2bv32 == value && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 2395]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 2492]: Loop Invariant Derived loop invariant: (((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 2227]: Loop Invariant Derived loop invariant: ((((((((2bv32 == value && 2bv32 == __ste_email_to0) && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1175]: Loop Invariant Derived loop invariant: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2180]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && 0bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) || (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 2404]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && handle == 1bv32) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == __ste_client_forwardReceiver1) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(client, 4294967294bv32) == 0bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 2bv32 == rjh) && handle == 1bv32) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((((((1bv32 == \result && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && 0bv32 == ~bvadd64(\result, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 0bv32 == \result) && 2bv32 == rjh) && handle == 1bv32) || (((((1bv32 == \result && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 2446]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 2bv32 == __ste_email_to0) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) || ((((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && 1bv32 == \result) && 0bv32 == ~bvadd64(to, 4294967294bv32)) && 0bv32 == ~bvadd64(msg, 4294967295bv32)) && 3bv32 == handle) && handle == 1bv32) && 1bv32 == \result) && ~bvadd64(msg, 4294967295bv32) == 0bv32) && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && handle == 1bv32) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (3bv32 == handle && 2bv32 == rjh) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2793 SDtfs, 3321 SDslu, 4024 SDs, 0 SdLazy, 295 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1116 GetRequests, 1038 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1854occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1305 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 911 NumberOfFragments, 1870 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1418019 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 206511 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 877 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 77365 SizeOfPredicates, 53 NumberOfNonLiveVariables, 7548 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 20/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...