./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8 --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 ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:59:32,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:32,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:32,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:32,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:32,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:32,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:32,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:32,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:32,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:32,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:32,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:32,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:32,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:32,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:32,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:32,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:32,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:32,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:32,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:32,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:32,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:32,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:32,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:32,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:32,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:32,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:32,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:32,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:32,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:32,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:32,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:32,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:32,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:32,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:32,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:32,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:32,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:32,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:32,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:32,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:32,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:59:32,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:32,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:32,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:32,856 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:32,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:32,856 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:32,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:59:32,857 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:32,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:32,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:59:32,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:59:32,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:32,866 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:59:32,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:59:32,866 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:59:32,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:32,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:32,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:59:32,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:32,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:32,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:32,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:32,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:32,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:32,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:32,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:32,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:32,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:32,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:32,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:32,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:32,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:32,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:32,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:32,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:59:32,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:59:32,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:32,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:32,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:32,875 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 [2021-11-07 01:59:33,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:33,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:33,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:33,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:33,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:33,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-11-07 01:59:33,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/91623b628/fe8021a4aece4f9db53f49f45f5ac048/FLAGeec863069 [2021-11-07 01:59:33,820 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:33,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-11-07 01:59:33,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/91623b628/fe8021a4aece4f9db53f49f45f5ac048/FLAGeec863069 [2021-11-07 01:59:34,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/91623b628/fe8021a4aece4f9db53f49f45f5ac048 [2021-11-07 01:59:34,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:34,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:34,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:34,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:34,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:34,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:34" (1/1) ... [2021-11-07 01:59:34,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcb5108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:34, skipping insertion in model container [2021-11-07 01:59:34,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:34" (1/1) ... [2021-11-07 01:59:34,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:34,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:34,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-11-07 01:59:34,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:34,793 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) [2021-11-07 01:59:34,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39ad3fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:34, skipping insertion in model container [2021-11-07 01:59:34,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:34,794 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:59:34,797 INFO L168 Benchmark]: Toolchain (without parser) took 708.27 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 40.8 MB in the beginning and 64.4 MB in the end (delta: -23.5 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:34,798 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:34,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.62 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 40.7 MB in the beginning and 64.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:34,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.62 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 40.7 MB in the beginning and 64.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 174]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8 --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 ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:59:37,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:37,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:37,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:37,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:37,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:37,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:37,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:37,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:37,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:37,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:37,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:37,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:37,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:37,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:37,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:37,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:37,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:37,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:37,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:37,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:37,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:37,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:37,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:37,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:37,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:37,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:37,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:37,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:37,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:37,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:37,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:37,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:37,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:37,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:37,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:37,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:37,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:37,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:37,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:37,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:37,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:59:37,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:37,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:37,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:37,129 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:37,130 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:37,130 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:37,131 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:37,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:37,132 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:37,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:37,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:37,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:37,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:37,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:37,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:37,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:37,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:37,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:59:37,135 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:59:37,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:37,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:37,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:37,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:37,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:37,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:59:37,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:37,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:37,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:37,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:37,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:37,138 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:59:37,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:59:37,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:37,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:37,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:37,139 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 [2021-11-07 01:59:37,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:37,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:37,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:37,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:37,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:37,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-11-07 01:59:37,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/54932259b/83a3992077c1432098239322b5cbe401/FLAGecf4f61c2 [2021-11-07 01:59:38,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:38,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-11-07 01:59:38,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/54932259b/83a3992077c1432098239322b5cbe401/FLAGecf4f61c2 [2021-11-07 01:59:38,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/data/54932259b/83a3992077c1432098239322b5cbe401 [2021-11-07 01:59:38,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:38,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:38,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:38,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:38,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:38,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:38" (1/1) ... [2021-11-07 01:59:38,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c44d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:38, skipping insertion in model container [2021-11-07 01:59:38,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:38" (1/1) ... [2021-11-07 01:59:38,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:38,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:38,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-11-07 01:59:39,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:39,277 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:59:39,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:39,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-11-07 01:59:39,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:39,476 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:59:39,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-11-07 01:59:39,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:39,641 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:59:39,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39 WrapperNode [2021-11-07 01:59:39,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:39,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:59:39,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:59:39,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:59:39,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:59:39,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:59:39,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:59:39,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:59:39,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:59:39,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:59:39,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:59:39,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:59:39,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:59:39,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:59:39,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:59:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-07 01:59:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:59:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:59:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:59:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:59:42,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:59:42,944 INFO L299 CfgBuilder]: Removed 155 assume(true) statements. [2021-11-07 01:59:42,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:59:42 BoogieIcfgContainer [2021-11-07 01:59:42,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:59:42,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:59:42,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:59:42,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:59:42,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:59:38" (1/3) ... [2021-11-07 01:59:42,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322888aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:59:42, skipping insertion in model container [2021-11-07 01:59:42,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39" (2/3) ... [2021-11-07 01:59:42,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322888aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:59:42, skipping insertion in model container [2021-11-07 01:59:42,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:59:42" (3/3) ... [2021-11-07 01:59:42,954 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product10.cil.c [2021-11-07 01:59:42,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:59:42,960 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 01:59:43,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:59:43,014 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:59:43,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:59:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 159 states have (on average 1.6540880503144655) internal successors, (263), 161 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:59:43,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:43,040 INFO L513 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] [2021-11-07 01:59:43,040 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:43,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1170669752, now seen corresponding path program 1 times [2021-11-07 01:59:43,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:43,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198430450] [2021-11-07 01:59:43,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:43,062 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:43,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:43,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:59:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:43,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:59:43,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:43,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:43,735 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:43,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198430450] [2021-11-07 01:59:43,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198430450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:43,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:43,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:59:43,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78944555] [2021-11-07 01:59:43,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:59:43,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:59:43,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:59:43,759 INFO L87 Difference]: Start difference. First operand has 162 states, 159 states have (on average 1.6540880503144655) internal successors, (263), 161 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:43,789 INFO L93 Difference]: Finished difference Result 273 states and 434 transitions. [2021-11-07 01:59:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:59:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-07 01:59:43,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:43,801 INFO L225 Difference]: With dead ends: 273 [2021-11-07 01:59:43,802 INFO L226 Difference]: Without dead ends: 146 [2021-11-07 01:59:43,805 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:59:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-07 01:59:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-07 01:59:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 144 states have (on average 1.625) internal successors, (234), 145 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 234 transitions. [2021-11-07 01:59:43,849 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 234 transitions. Word has length 38 [2021-11-07 01:59:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:43,849 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 234 transitions. [2021-11-07 01:59:43,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 234 transitions. [2021-11-07 01:59:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:59:43,852 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:43,852 INFO L513 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, 1] [2021-11-07 01:59:43,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:44,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:44,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:44,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1521803372, now seen corresponding path program 1 times [2021-11-07 01:59:44,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:44,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329918948] [2021-11-07 01:59:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:44,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:44,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:44,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:59:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:44,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:59:44,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:44,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:44,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:44,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329918948] [2021-11-07 01:59:44,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329918948] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:44,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:44,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:44,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502993271] [2021-11-07 01:59:44,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:44,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:44,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:44,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:44,757 INFO L87 Difference]: Start difference. First operand 146 states and 234 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:44,898 INFO L93 Difference]: Finished difference Result 412 states and 661 transitions. [2021-11-07 01:59:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 01:59:44,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:44,904 INFO L225 Difference]: With dead ends: 412 [2021-11-07 01:59:44,904 INFO L226 Difference]: Without dead ends: 277 [2021-11-07 01:59:44,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:44,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-11-07 01:59:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 145. [2021-11-07 01:59:44,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 143 states have (on average 1.6013986013986015) internal successors, (229), 144 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 229 transitions. [2021-11-07 01:59:44,927 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 229 transitions. Word has length 39 [2021-11-07 01:59:44,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:44,927 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 229 transitions. [2021-11-07 01:59:44,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2021-11-07 01:59:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:59:44,930 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:44,930 INFO L513 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, 1, 1, 1] [2021-11-07 01:59:44,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 01:59:45,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:45,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:45,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1989218279, now seen corresponding path program 1 times [2021-11-07 01:59:45,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:45,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745470950] [2021-11-07 01:59:45,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:45,146 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:45,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:45,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:59:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:45,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:59:45,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:45,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:45,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:45,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745470950] [2021-11-07 01:59:45,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745470950] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:45,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:45,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:45,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264696795] [2021-11-07 01:59:45,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:45,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:45,739 INFO L87 Difference]: Start difference. First operand 145 states and 229 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:45,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:45,792 INFO L93 Difference]: Finished difference Result 283 states and 448 transitions. [2021-11-07 01:59:45,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:45,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:59:45,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:45,794 INFO L225 Difference]: With dead ends: 283 [2021-11-07 01:59:45,794 INFO L226 Difference]: Without dead ends: 146 [2021-11-07 01:59:45,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-07 01:59:45,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2021-11-07 01:59:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 143 states have (on average 1.5804195804195804) internal successors, (226), 144 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2021-11-07 01:59:45,812 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 41 [2021-11-07 01:59:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:45,812 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2021-11-07 01:59:45,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2021-11-07 01:59:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-07 01:59:45,814 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:45,815 INFO L513 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, 1, 1, 1, 1] [2021-11-07 01:59:45,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:46,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:46,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:46,029 INFO L85 PathProgramCache]: Analyzing trace with hash -559359774, now seen corresponding path program 1 times [2021-11-07 01:59:46,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:46,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495467459] [2021-11-07 01:59:46,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:46,030 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:46,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:46,031 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:46,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:59:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:46,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:46,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:46,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:46,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:46,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495467459] [2021-11-07 01:59:46,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495467459] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:46,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:46,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:46,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397281886] [2021-11-07 01:59:46,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:46,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:46,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:46,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:46,616 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:46,649 INFO L93 Difference]: Finished difference Result 370 states and 581 transitions. [2021-11-07 01:59:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:46,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-07 01:59:46,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:46,652 INFO L225 Difference]: With dead ends: 370 [2021-11-07 01:59:46,652 INFO L226 Difference]: Without dead ends: 275 [2021-11-07 01:59:46,653 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:46,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-07 01:59:46,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 180. [2021-11-07 01:59:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 1.6235955056179776) internal successors, (289), 179 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2021-11-07 01:59:46,673 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 42 [2021-11-07 01:59:46,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:46,674 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2021-11-07 01:59:46,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2021-11-07 01:59:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:59:46,677 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:46,677 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:46,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:46,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:46,891 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:46,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash 358260290, now seen corresponding path program 1 times [2021-11-07 01:59:46,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:46,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354383] [2021-11-07 01:59:46,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:46,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:46,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:46,894 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:46,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:59:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:47,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:47,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:47,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:47,510 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:47,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354383] [2021-11-07 01:59:47,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:47,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:47,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:47,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550188073] [2021-11-07 01:59:47,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:47,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:47,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:47,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:47,514 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:47,556 INFO L93 Difference]: Finished difference Result 594 states and 964 transitions. [2021-11-07 01:59:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:47,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 01:59:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:47,560 INFO L225 Difference]: With dead ends: 594 [2021-11-07 01:59:47,560 INFO L226 Difference]: Without dead ends: 466 [2021-11-07 01:59:47,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:47,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-11-07 01:59:47,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 242. [2021-11-07 01:59:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 240 states have (on average 1.6833333333333333) internal successors, (404), 241 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 404 transitions. [2021-11-07 01:59:47,586 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 404 transitions. Word has length 52 [2021-11-07 01:59:47,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:47,586 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 404 transitions. [2021-11-07 01:59:47,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 404 transitions. [2021-11-07 01:59:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:59:47,595 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:47,595 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:47,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:47,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:47,809 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:47,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1312991971, now seen corresponding path program 1 times [2021-11-07 01:59:47,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:47,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217649594] [2021-11-07 01:59:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:47,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:47,814 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:47,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:59:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:48,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:48,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:48,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:48,462 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:48,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217649594] [2021-11-07 01:59:48,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217649594] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:48,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:48,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:59:48,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546247304] [2021-11-07 01:59:48,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:59:48,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:59:48,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:59:48,464 INFO L87 Difference]: Start difference. First operand 242 states and 404 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:48,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:48,498 INFO L93 Difference]: Finished difference Result 466 states and 755 transitions. [2021-11-07 01:59:48,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:59:48,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:59:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:48,501 INFO L225 Difference]: With dead ends: 466 [2021-11-07 01:59:48,501 INFO L226 Difference]: Without dead ends: 309 [2021-11-07 01:59:48,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:59:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-07 01:59:48,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 214. [2021-11-07 01:59:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.6415094339622642) internal successors, (348), 213 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 348 transitions. [2021-11-07 01:59:48,522 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 348 transitions. Word has length 54 [2021-11-07 01:59:48,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:48,522 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 348 transitions. [2021-11-07 01:59:48,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 348 transitions. [2021-11-07 01:59:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:59:48,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:48,524 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:48,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:48,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:48,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:48,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:48,738 INFO L85 PathProgramCache]: Analyzing trace with hash 663544003, now seen corresponding path program 1 times [2021-11-07 01:59:48,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:48,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951731330] [2021-11-07 01:59:48,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:48,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:48,741 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:48,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:59:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:49,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:49,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:59:49,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:59:49,464 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:49,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1951731330] [2021-11-07 01:59:49,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1951731330] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:49,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:49,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:59:49,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738864514] [2021-11-07 01:59:49,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:59:49,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:49,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:59:49,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:59:49,466 INFO L87 Difference]: Start difference. First operand 214 states and 348 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:49,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:49,505 INFO L93 Difference]: Finished difference Result 550 states and 907 transitions. [2021-11-07 01:59:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:59:49,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:59:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:49,511 INFO L225 Difference]: With dead ends: 550 [2021-11-07 01:59:49,511 INFO L226 Difference]: Without dead ends: 366 [2021-11-07 01:59:49,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:59:49,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-11-07 01:59:49,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 271. [2021-11-07 01:59:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.6691449814126393) internal successors, (449), 270 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 449 transitions. [2021-11-07 01:59:49,565 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 449 transitions. Word has length 54 [2021-11-07 01:59:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:49,565 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 449 transitions. [2021-11-07 01:59:49,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 449 transitions. [2021-11-07 01:59:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:59:49,567 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:49,567 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:49,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 01:59:49,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:49,782 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:49,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2045513071, now seen corresponding path program 1 times [2021-11-07 01:59:49,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:49,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014643307] [2021-11-07 01:59:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:49,784 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:49,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:49,788 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:49,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:59:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:59:50,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:59:50,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:59:50,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:50,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014643307] [2021-11-07 01:59:50,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014643307] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:50,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:50,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:59:50,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18003982] [2021-11-07 01:59:50,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:59:50,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:50,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:59:50,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:59:50,580 INFO L87 Difference]: Start difference. First operand 271 states and 449 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:52,770 INFO L93 Difference]: Finished difference Result 639 states and 1062 transitions. [2021-11-07 01:59:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:52,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 01:59:52,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:52,787 INFO L225 Difference]: With dead ends: 639 [2021-11-07 01:59:52,788 INFO L226 Difference]: Without dead ends: 420 [2021-11-07 01:59:52,788 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:59:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-11-07 01:59:52,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 268. [2021-11-07 01:59:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 266 states have (on average 1.6428571428571428) internal successors, (437), 267 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 437 transitions. [2021-11-07 01:59:52,853 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 437 transitions. Word has length 55 [2021-11-07 01:59:52,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:52,853 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 437 transitions. [2021-11-07 01:59:52,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 437 transitions. [2021-11-07 01:59:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:59:52,855 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:52,855 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:52,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:53,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:53,056 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:53,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -626013561, now seen corresponding path program 1 times [2021-11-07 01:59:53,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:53,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762975227] [2021-11-07 01:59:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:53,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:53,058 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:59:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:53,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:59:53,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:53,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:53,896 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:53,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762975227] [2021-11-07 01:59:53,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1762975227] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:59:53,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [954072121] [2021-11-07 01:59:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:53,897 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:59:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:59:53,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:59:53,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:59:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:54,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:59:54,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:59:54,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:59:55,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [954072121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:55,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:59:55,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-11-07 01:59:55,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116504900] [2021-11-07 01:59:55,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:59:55,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:55,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:59:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:59:55,232 INFO L87 Difference]: Start difference. First operand 268 states and 437 transitions. Second operand has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:02,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:02,722 INFO L93 Difference]: Finished difference Result 2242 states and 3297 transitions. [2021-11-07 02:00:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-07 02:00:02,723 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 02:00:02,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:02,737 INFO L225 Difference]: With dead ends: 2242 [2021-11-07 02:00:02,737 INFO L226 Difference]: Without dead ends: 2168 [2021-11-07 02:00:02,742 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3025 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-11-07 02:00:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-11-07 02:00:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 382. [2021-11-07 02:00:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 380 states have (on average 1.5894736842105264) internal successors, (604), 381 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 604 transitions. [2021-11-07 02:00:02,802 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 604 transitions. Word has length 55 [2021-11-07 02:00:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:02,804 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 604 transitions. [2021-11-07 02:00:02,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 604 transitions. [2021-11-07 02:00:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:00:02,805 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:02,806 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:02,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:03,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:03,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:03,220 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:03,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1977535086, now seen corresponding path program 1 times [2021-11-07 02:00:03,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:03,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138433969] [2021-11-07 02:00:03,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:03,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:03,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:03,223 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:03,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 02:00:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:03,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:03,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:03,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:04,043 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:04,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138433969] [2021-11-07 02:00:04,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138433969] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:00:04,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1586632339] [2021-11-07 02:00:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:04,043 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:04,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:00:04,046 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:00:04,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 02:00:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:04,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 02:00:04,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:04,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:05,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1586632339] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:05,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:00:05,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-11-07 02:00:05,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192995326] [2021-11-07 02:00:05,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 02:00:05,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:05,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 02:00:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-07 02:00:05,300 INFO L87 Difference]: Start difference. First operand 382 states and 604 transitions. Second operand has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:12,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:12,884 INFO L93 Difference]: Finished difference Result 2281 states and 3309 transitions. [2021-11-07 02:00:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-07 02:00:12,885 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:00:12,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:12,898 INFO L225 Difference]: With dead ends: 2281 [2021-11-07 02:00:12,899 INFO L226 Difference]: Without dead ends: 2147 [2021-11-07 02:00:12,905 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3127 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2353, Invalid=8359, Unknown=0, NotChecked=0, Total=10712 [2021-11-07 02:00:12,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2021-11-07 02:00:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 447. [2021-11-07 02:00:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 445 states have (on average 1.5730337078651686) internal successors, (700), 446 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 700 transitions. [2021-11-07 02:00:12,987 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 700 transitions. Word has length 56 [2021-11-07 02:00:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:12,987 INFO L470 AbstractCegarLoop]: Abstraction has 447 states and 700 transitions. [2021-11-07 02:00:12,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 700 transitions. [2021-11-07 02:00:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 02:00:12,989 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:12,989 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:13,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:13,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-07 02:00:13,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:13,393 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:13,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:13,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1899401231, now seen corresponding path program 1 times [2021-11-07 02:00:13,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:13,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158183334] [2021-11-07 02:00:13,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:13,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:13,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:13,396 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:13,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 02:00:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:13,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:13,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:14,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:14,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:14,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158183334] [2021-11-07 02:00:14,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158183334] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:00:14,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [989824745] [2021-11-07 02:00:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:14,227 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:14,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:00:14,232 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:00:14,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-07 02:00:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:14,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 02:00:14,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:15,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:15,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [989824745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:15,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:00:15,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-11-07 02:00:15,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303060893] [2021-11-07 02:00:15,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:00:15,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:15,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:00:15,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:00:15,165 INFO L87 Difference]: Start difference. First operand 447 states and 700 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:15,312 INFO L93 Difference]: Finished difference Result 710 states and 1080 transitions. [2021-11-07 02:00:15,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 02:00:15,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-07 02:00:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:15,316 INFO L225 Difference]: With dead ends: 710 [2021-11-07 02:00:15,316 INFO L226 Difference]: Without dead ends: 481 [2021-11-07 02:00:15,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:00:15,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2021-11-07 02:00:15,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 395. [2021-11-07 02:00:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 393 states have (on average 1.5674300254452926) internal successors, (616), 394 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 616 transitions. [2021-11-07 02:00:15,365 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 616 transitions. Word has length 56 [2021-11-07 02:00:15,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:15,366 INFO L470 AbstractCegarLoop]: Abstraction has 395 states and 616 transitions. [2021-11-07 02:00:15,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:15,366 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 616 transitions. [2021-11-07 02:00:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 02:00:15,367 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:15,367 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:15,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:15,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:15,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:15,776 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:15,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1757108711, now seen corresponding path program 1 times [2021-11-07 02:00:15,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:15,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30059991] [2021-11-07 02:00:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:15,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:15,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:15,779 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:15,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 02:00:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:16,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:16,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:16,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:16,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:16,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30059991] [2021-11-07 02:00:16,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30059991] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:00:16,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2003364600] [2021-11-07 02:00:16,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:16,582 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:00:16,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:00:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 02:00:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:17,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:00:17,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:17,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:17,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2003364600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:17,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:00:17,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-07 02:00:17,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517881964] [2021-11-07 02:00:17,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:00:17,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:17,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:00:17,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:00:17,638 INFO L87 Difference]: Start difference. First operand 395 states and 616 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:17,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:17,831 INFO L93 Difference]: Finished difference Result 1064 states and 1633 transitions. [2021-11-07 02:00:17,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:00:17,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 02:00:17,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:17,836 INFO L225 Difference]: With dead ends: 1064 [2021-11-07 02:00:17,837 INFO L226 Difference]: Without dead ends: 896 [2021-11-07 02:00:17,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:00:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-11-07 02:00:17,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 702. [2021-11-07 02:00:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 700 states have (on average 1.5714285714285714) internal successors, (1100), 701 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1100 transitions. [2021-11-07 02:00:17,926 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1100 transitions. Word has length 57 [2021-11-07 02:00:17,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:17,926 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1100 transitions. [2021-11-07 02:00:17,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1100 transitions. [2021-11-07 02:00:17,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 02:00:17,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:17,928 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:17,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:18,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:18,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:18,330 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1393067954, now seen corresponding path program 1 times [2021-11-07 02:00:18,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:18,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135178690] [2021-11-07 02:00:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:18,331 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:18,332 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:18,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 02:00:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:18,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:18,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:19,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:19,182 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:19,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135178690] [2021-11-07 02:00:19,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135178690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:00:19,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1971246533] [2021-11-07 02:00:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:19,183 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:00:19,183 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:00:19,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 02:00:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:19,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:19,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:20,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:20,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1971246533] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:20,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:00:20,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-11-07 02:00:20,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102145117] [2021-11-07 02:00:20,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:00:20,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:20,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:00:20,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:00:20,158 INFO L87 Difference]: Start difference. First operand 702 states and 1100 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:20,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:20,284 INFO L93 Difference]: Finished difference Result 968 states and 1476 transitions. [2021-11-07 02:00:20,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:00:20,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-07 02:00:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:20,288 INFO L225 Difference]: With dead ends: 968 [2021-11-07 02:00:20,288 INFO L226 Difference]: Without dead ends: 690 [2021-11-07 02:00:20,289 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:00:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-11-07 02:00:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 547. [2021-11-07 02:00:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 545 states have (on average 1.5908256880733944) internal successors, (867), 546 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 867 transitions. [2021-11-07 02:00:20,370 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 867 transitions. Word has length 59 [2021-11-07 02:00:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:20,370 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 867 transitions. [2021-11-07 02:00:20,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 867 transitions. [2021-11-07 02:00:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 02:00:20,373 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:20,373 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:20,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:20,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:20,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:20,776 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:20,776 INFO L85 PathProgramCache]: Analyzing trace with hash 596644252, now seen corresponding path program 1 times [2021-11-07 02:00:20,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:20,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361013346] [2021-11-07 02:00:20,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:20,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:20,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:20,778 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:20,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 02:00:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:21,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:00:21,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:21,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:21,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:21,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361013346] [2021-11-07 02:00:21,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361013346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:21,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:21,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:00:21,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596237943] [2021-11-07 02:00:21,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:00:21,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:21,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:00:21,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:21,657 INFO L87 Difference]: Start difference. First operand 547 states and 867 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:21,774 INFO L93 Difference]: Finished difference Result 1544 states and 2465 transitions. [2021-11-07 02:00:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:00:21,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 02:00:21,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:21,780 INFO L225 Difference]: With dead ends: 1544 [2021-11-07 02:00:21,780 INFO L226 Difference]: Without dead ends: 1030 [2021-11-07 02:00:21,782 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2021-11-07 02:00:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 777. [2021-11-07 02:00:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 775 states have (on average 1.6361290322580646) internal successors, (1268), 776 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1268 transitions. [2021-11-07 02:00:21,892 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1268 transitions. Word has length 63 [2021-11-07 02:00:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:21,892 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 1268 transitions. [2021-11-07 02:00:21,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1268 transitions. [2021-11-07 02:00:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 02:00:21,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:21,895 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:21,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:22,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:22,098 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:22,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:22,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1480771081, now seen corresponding path program 1 times [2021-11-07 02:00:22,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:22,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974919754] [2021-11-07 02:00:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:22,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:22,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:22,100 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:22,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 02:00:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:22,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:00:22,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:22,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:23,017 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:23,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974919754] [2021-11-07 02:00:23,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974919754] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:23,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:23,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:00:23,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822161065] [2021-11-07 02:00:23,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:00:23,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:23,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:00:23,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:23,019 INFO L87 Difference]: Start difference. First operand 777 states and 1268 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:23,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:23,234 INFO L93 Difference]: Finished difference Result 2220 states and 3646 transitions. [2021-11-07 02:00:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:00:23,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 02:00:23,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:23,243 INFO L225 Difference]: With dead ends: 2220 [2021-11-07 02:00:23,243 INFO L226 Difference]: Without dead ends: 1480 [2021-11-07 02:00:23,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:23,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2021-11-07 02:00:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1227. [2021-11-07 02:00:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1225 states have (on average 1.6693877551020408) internal successors, (2045), 1226 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2045 transitions. [2021-11-07 02:00:23,381 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2045 transitions. Word has length 64 [2021-11-07 02:00:23,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:23,381 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 2045 transitions. [2021-11-07 02:00:23,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2045 transitions. [2021-11-07 02:00:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 02:00:23,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:23,385 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:23,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:23,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:23,601 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:23,602 INFO L85 PathProgramCache]: Analyzing trace with hash -246111330, now seen corresponding path program 1 times [2021-11-07 02:00:23,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:23,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483933199] [2021-11-07 02:00:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:23,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:23,603 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:23,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 02:00:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:24,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:00:24,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:24,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 02:00:24,525 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:24,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483933199] [2021-11-07 02:00:24,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1483933199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:24,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:24,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:00:24,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763897530] [2021-11-07 02:00:24,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:00:24,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:24,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:00:24,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:24,527 INFO L87 Difference]: Start difference. First operand 1227 states and 2045 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:24,714 INFO L93 Difference]: Finished difference Result 3548 states and 5939 transitions. [2021-11-07 02:00:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:00:24,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-07 02:00:24,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:24,726 INFO L225 Difference]: With dead ends: 3548 [2021-11-07 02:00:24,726 INFO L226 Difference]: Without dead ends: 2362 [2021-11-07 02:00:24,728 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:00:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-11-07 02:00:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2109. [2021-11-07 02:00:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2107 states have (on average 1.684859990507831) internal successors, (3550), 2108 states have internal predecessors, (3550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3550 transitions. [2021-11-07 02:00:25,000 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3550 transitions. Word has length 65 [2021-11-07 02:00:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:25,000 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 3550 transitions. [2021-11-07 02:00:25,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3550 transitions. [2021-11-07 02:00:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 02:00:25,005 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:25,006 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:25,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:25,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:25,221 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:25,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:25,221 INFO L85 PathProgramCache]: Analyzing trace with hash 283992071, now seen corresponding path program 1 times [2021-11-07 02:00:25,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:25,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247948962] [2021-11-07 02:00:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:25,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:25,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:25,224 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:25,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 02:00:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:26,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:00:26,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:26,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:00:26,432 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:26,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247948962] [2021-11-07 02:00:26,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247948962] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:00:26,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [220724556] [2021-11-07 02:00:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:26,433 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:26,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:00:26,434 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:00:26,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-07 02:00:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:27,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:00:27,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:27,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 02:00:27,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [220724556] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:27,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:00:27,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-11-07 02:00:27,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083937054] [2021-11-07 02:00:27,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:00:27,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:27,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:00:27,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 02:00:27,687 INFO L87 Difference]: Start difference. First operand 2109 states and 3550 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:27,991 INFO L93 Difference]: Finished difference Result 2188 states and 3666 transitions. [2021-11-07 02:00:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:00:27,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-07 02:00:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:27,992 INFO L225 Difference]: With dead ends: 2188 [2021-11-07 02:00:27,992 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:00:27,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:00:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:00:27,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:00:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:00:27,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-11-07 02:00:27,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:27,996 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:00:27,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:00:27,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:00:28,000 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:00:28,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:00:28,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:28,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-11-07 02:00:28,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:28,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:00:28,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:28,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:28,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:29,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:30,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:30,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:30,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:30,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:30,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:31,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:31,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:31,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:32,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:32,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:32,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:32,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:33,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:34,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:35,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:36,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:00:50,804 INFO L857 garLoopResultBuilder]: For program point L828(lines 828 835) no Hoare annotation was computed. [2021-11-07 02:00:50,805 INFO L860 garLoopResultBuilder]: At program point L828-1(lines 828 835) the Hoare annotation is: true [2021-11-07 02:00:50,805 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2021-11-07 02:00:50,805 INFO L853 garLoopResultBuilder]: At program point L663(lines 658 666) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,805 INFO L853 garLoopResultBuilder]: At program point L1489(lines 1464 1491) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,805 INFO L860 garLoopResultBuilder]: At program point L1489-1(lines 1464 1491) the Hoare annotation is: true [2021-11-07 02:00:50,805 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 141) no Hoare annotation was computed. [2021-11-07 02:00:50,805 INFO L857 garLoopResultBuilder]: For program point L2084(lines 2084 2090) no Hoare annotation was computed. [2021-11-07 02:00:50,805 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 141) no Hoare annotation was computed. [2021-11-07 02:00:50,806 INFO L857 garLoopResultBuilder]: For program point L2084-1(lines 2084 2090) no Hoare annotation was computed. [2021-11-07 02:00:50,806 INFO L857 garLoopResultBuilder]: For program point L1424(lines 1424 1428) no Hoare annotation was computed. [2021-11-07 02:00:50,806 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1395) no Hoare annotation was computed. [2021-11-07 02:00:50,806 INFO L853 garLoopResultBuilder]: At program point L1325(lines 1315 1452) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,806 INFO L853 garLoopResultBuilder]: At program point L103(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 02:00:50,806 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 999) no Hoare annotation was computed. [2021-11-07 02:00:50,806 INFO L853 garLoopResultBuilder]: At program point L995-2(lines 988 1003) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,807 INFO L857 garLoopResultBuilder]: For program point L995-3(lines 995 999) no Hoare annotation was computed. [2021-11-07 02:00:50,807 INFO L853 garLoopResultBuilder]: At program point L995-5(lines 988 1003) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_incoming_~client)) (.cse1 (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse5 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 02:00:50,807 INFO L857 garLoopResultBuilder]: For program point L995-6(lines 995 999) no Hoare annotation was computed. [2021-11-07 02:00:50,807 INFO L853 garLoopResultBuilder]: At program point L995-8(lines 988 1003) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,807 INFO L857 garLoopResultBuilder]: For program point L995-9(lines 995 999) no Hoare annotation was computed. [2021-11-07 02:00:50,808 INFO L853 garLoopResultBuilder]: At program point L995-11(lines 988 1003) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,808 INFO L857 garLoopResultBuilder]: For program point L995-12(lines 995 999) no Hoare annotation was computed. [2021-11-07 02:00:50,808 INFO L853 garLoopResultBuilder]: At program point L995-14(lines 988 1003) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,808 INFO L857 garLoopResultBuilder]: For program point L2515-1(lines 2515 2526) no Hoare annotation was computed. [2021-11-07 02:00:50,808 INFO L857 garLoopResultBuilder]: For program point L2515(lines 2515 2526) no Hoare annotation was computed. [2021-11-07 02:00:50,809 INFO L857 garLoopResultBuilder]: For program point L2582(lines 2582 2594) no Hoare annotation was computed. [2021-11-07 02:00:50,809 INFO L857 garLoopResultBuilder]: For program point L2582-2(lines 2582 2594) no Hoare annotation was computed. [2021-11-07 02:00:50,809 INFO L857 garLoopResultBuilder]: For program point L2582-4(lines 2582 2594) no Hoare annotation was computed. [2021-11-07 02:00:50,809 INFO L853 garLoopResultBuilder]: At program point L568(lines 1 2597) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv2 32)) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,810 INFO L853 garLoopResultBuilder]: At program point L568-1(lines 1 2597) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv2 32)) .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))))) [2021-11-07 02:00:50,810 INFO L853 garLoopResultBuilder]: At program point L1361(lines 1351 1449) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,810 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 910) no Hoare annotation was computed. [2021-11-07 02:00:50,810 INFO L857 garLoopResultBuilder]: For program point L899-1(lines 899 910) no Hoare annotation was computed. [2021-11-07 02:00:50,810 INFO L853 garLoopResultBuilder]: At program point L2089-1(lines 2072 2095) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,811 INFO L853 garLoopResultBuilder]: At program point L2089(lines 2072 2095) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,811 INFO L857 garLoopResultBuilder]: For program point L2585(lines 2585 2593) no Hoare annotation was computed. [2021-11-07 02:00:50,811 INFO L857 garLoopResultBuilder]: For program point L2519-1(lines 2519 2525) no Hoare annotation was computed. [2021-11-07 02:00:50,811 INFO L857 garLoopResultBuilder]: For program point L2585-2(lines 2585 2593) no Hoare annotation was computed. [2021-11-07 02:00:50,811 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2525) no Hoare annotation was computed. [2021-11-07 02:00:50,812 INFO L857 garLoopResultBuilder]: For program point L2585-4(lines 2585 2593) no Hoare annotation was computed. [2021-11-07 02:00:50,812 INFO L857 garLoopResultBuilder]: For program point L1330(lines 1330 1337) no Hoare annotation was computed. [2021-11-07 02:00:50,812 INFO L853 garLoopResultBuilder]: At program point L1430(lines 1420 1443) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,812 INFO L853 garLoopResultBuilder]: At program point L1397(lines 1387 1446) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,812 INFO L860 garLoopResultBuilder]: At program point L836(lines 818 838) the Hoare annotation is: true [2021-11-07 02:00:50,813 INFO L853 garLoopResultBuilder]: At program point L1497(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,813 INFO L853 garLoopResultBuilder]: At program point L1497-1(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,813 INFO L853 garLoopResultBuilder]: At program point L1497-2(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,813 INFO L860 garLoopResultBuilder]: At program point L1497-3(lines 1492 1500) the Hoare annotation is: true [2021-11-07 02:00:50,813 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 947) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 909) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L857 garLoopResultBuilder]: For program point L936-1(lines 936 947) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 947) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L857 garLoopResultBuilder]: For program point L903-1(lines 903 909) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L857 garLoopResultBuilder]: For program point L936-3(lines 936 947) no Hoare annotation was computed. [2021-11-07 02:00:50,814 INFO L853 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,815 INFO L857 garLoopResultBuilder]: For program point L2588(lines 2588 2592) no Hoare annotation was computed. [2021-11-07 02:00:50,815 INFO L853 garLoopResultBuilder]: At program point L2588-2(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 02:00:50,815 INFO L857 garLoopResultBuilder]: For program point L2588-3(lines 2588 2592) no Hoare annotation was computed. [2021-11-07 02:00:50,815 INFO L857 garLoopResultBuilder]: For program point L2588-6(lines 2588 2592) no Hoare annotation was computed. [2021-11-07 02:00:50,815 INFO L853 garLoopResultBuilder]: At program point L2588-5(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-11-07 02:00:50,815 INFO L857 garLoopResultBuilder]: For program point L1366(lines 1366 1370) no Hoare annotation was computed. [2021-11-07 02:00:50,816 INFO L853 garLoopResultBuilder]: At program point L2588-8(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,816 INFO L853 garLoopResultBuilder]: At program point L111(lines 106 114) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-11-07 02:00:50,816 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-11-07 02:00:50,816 INFO L853 garLoopResultBuilder]: At program point L2524(lines 2507 2530) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 02:00:50,816 INFO L853 garLoopResultBuilder]: At program point L2524-1(lines 2507 2530) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,817 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 616) no Hoare annotation was computed. [2021-11-07 02:00:50,817 INFO L853 garLoopResultBuilder]: At program point L609-1(lines 1 2597) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,817 INFO L857 garLoopResultBuilder]: For program point L2558(lines 2558 2574) no Hoare annotation was computed. [2021-11-07 02:00:50,817 INFO L857 garLoopResultBuilder]: For program point L609-2(lines 609 616) no Hoare annotation was computed. [2021-11-07 02:00:50,817 INFO L857 garLoopResultBuilder]: For program point L2558-1(lines 2558 2574) no Hoare annotation was computed. [2021-11-07 02:00:50,818 INFO L857 garLoopResultBuilder]: For program point L1435(lines 1435 1439) no Hoare annotation was computed. [2021-11-07 02:00:50,818 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1406) no Hoare annotation was computed. [2021-11-07 02:00:50,818 INFO L853 garLoopResultBuilder]: At program point L1435-1(lines 1307 1453) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,818 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-11-07 02:00:50,818 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-11-07 02:00:50,818 INFO L857 garLoopResultBuilder]: For program point L973-1(lines 973 984) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L857 garLoopResultBuilder]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L857 garLoopResultBuilder]: For program point L973-2(lines 973 984) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L857 garLoopResultBuilder]: For program point L973-3(lines 973 984) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L857 garLoopResultBuilder]: For program point L940-3(lines 940 946) no Hoare annotation was computed. [2021-11-07 02:00:50,819 INFO L853 garLoopResultBuilder]: At program point L908(lines 895 913) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,820 INFO L860 garLoopResultBuilder]: At program point L908-1(lines 895 913) the Hoare annotation is: true [2021-11-07 02:00:50,820 INFO L853 garLoopResultBuilder]: At program point L1372(lines 1362 1448) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,820 INFO L853 garLoopResultBuilder]: At program point L1339(lines 1326 1451) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,820 INFO L857 garLoopResultBuilder]: For program point L2562(lines 2562 2573) no Hoare annotation was computed. [2021-11-07 02:00:50,820 INFO L857 garLoopResultBuilder]: For program point L2562-1(lines 2562 2573) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point L2100(lines 2100 2112) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 977 983) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point L977-3(lines 977 983) no Hoare annotation was computed. [2021-11-07 02:00:50,821 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:00:50,822 INFO L857 garLoopResultBuilder]: For program point L1308(lines 1307 1453) no Hoare annotation was computed. [2021-11-07 02:00:50,822 INFO L853 garLoopResultBuilder]: At program point L945(lines 932 950) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,822 INFO L853 garLoopResultBuilder]: At program point L945-1(lines 932 950) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,822 INFO L853 garLoopResultBuilder]: At program point L945-2(lines 932 950) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,823 INFO L860 garLoopResultBuilder]: At program point L945-3(lines 932 950) the Hoare annotation is: true [2021-11-07 02:00:50,823 INFO L853 garLoopResultBuilder]: At program point L681(lines 676 684) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,823 INFO L853 garLoopResultBuilder]: At program point L1408(lines 1398 1445) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,823 INFO L857 garLoopResultBuilder]: For program point L1309(lines 1309 1313) no Hoare annotation was computed. [2021-11-07 02:00:50,823 INFO L857 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-11-07 02:00:50,824 INFO L857 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2021-11-07 02:00:50,824 INFO L853 garLoopResultBuilder]: At program point L121(lines 127 144) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,824 INFO L860 garLoopResultBuilder]: At program point L121-1(lines 127 144) the Hoare annotation is: true [2021-11-07 02:00:50,824 INFO L857 garLoopResultBuilder]: For program point L2103(lines 2103 2111) no Hoare annotation was computed. [2021-11-07 02:00:50,824 INFO L853 garLoopResultBuilder]: At program point L815(lines 795 817) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,825 INFO L857 garLoopResultBuilder]: For program point L2566(lines 2566 2572) no Hoare annotation was computed. [2021-11-07 02:00:50,825 INFO L857 garLoopResultBuilder]: For program point L2566-1(lines 2566 2572) no Hoare annotation was computed. [2021-11-07 02:00:50,825 INFO L857 garLoopResultBuilder]: For program point L1377(lines 1377 1384) no Hoare annotation was computed. [2021-11-07 02:00:50,825 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1348) no Hoare annotation was computed. [2021-11-07 02:00:50,825 INFO L853 garLoopResultBuilder]: At program point L982(lines 969 987) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,826 INFO L853 garLoopResultBuilder]: At program point L982-1(lines 969 987) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,826 INFO L853 garLoopResultBuilder]: At program point L982-2(lines 969 987) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_incoming_~fwreceiver~0 (_ bv0 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,826 INFO L860 garLoopResultBuilder]: At program point L982-3(lines 969 987) the Hoare annotation is: true [2021-11-07 02:00:50,826 INFO L857 garLoopResultBuilder]: For program point L2535(lines 2535 2547) no Hoare annotation was computed. [2021-11-07 02:00:50,826 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:00:50,827 INFO L857 garLoopResultBuilder]: For program point L2106(lines 2106 2110) no Hoare annotation was computed. [2021-11-07 02:00:50,827 INFO L853 garLoopResultBuilder]: At program point L2106-2(lines 1 2597) the Hoare annotation is: (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,827 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1417) no Hoare annotation was computed. [2021-11-07 02:00:50,827 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1452) no Hoare annotation was computed. [2021-11-07 02:00:50,827 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-11-07 02:00:50,827 INFO L853 garLoopResultBuilder]: At program point L589-1(lines 581 598) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_incoming_~client)) (.cse1 (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse5 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-11-07 02:00:50,828 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2546) no Hoare annotation was computed. [2021-11-07 02:00:50,828 INFO L853 garLoopResultBuilder]: At program point L2571-1(lines 2554 2577) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,828 INFO L857 garLoopResultBuilder]: For program point L589-2(lines 589 595) no Hoare annotation was computed. [2021-11-07 02:00:50,828 INFO L853 garLoopResultBuilder]: At program point L2571(lines 2554 2577) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,828 INFO L853 garLoopResultBuilder]: At program point L589-3(lines 581 598) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 02:00:50,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:00:50,829 INFO L857 garLoopResultBuilder]: For program point L2076(lines 2076 2092) no Hoare annotation was computed. [2021-11-07 02:00:50,829 INFO L857 garLoopResultBuilder]: For program point L2076-1(lines 2076 2092) no Hoare annotation was computed. [2021-11-07 02:00:50,829 INFO L853 garLoopResultBuilder]: At program point L1350(lines 1340 1450) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,829 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 963) no Hoare annotation was computed. [2021-11-07 02:00:50,830 INFO L857 garLoopResultBuilder]: For program point L955-2(lines 955 963) no Hoare annotation was computed. [2021-11-07 02:00:50,830 INFO L857 garLoopResultBuilder]: For program point L955-4(lines 955 963) no Hoare annotation was computed. [2021-11-07 02:00:50,830 INFO L857 garLoopResultBuilder]: For program point L2541(lines 2541 2545) no Hoare annotation was computed. [2021-11-07 02:00:50,830 INFO L853 garLoopResultBuilder]: At program point L2541-2(lines 1 2597) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,830 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1323) no Hoare annotation was computed. [2021-11-07 02:00:50,830 INFO L853 garLoopResultBuilder]: At program point L1419(lines 1409 1444) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,831 INFO L853 garLoopResultBuilder]: At program point L1386(lines 1373 1447) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 02:00:50,831 INFO L857 garLoopResultBuilder]: For program point L2080(lines 2080 2091) no Hoare annotation was computed. [2021-11-07 02:00:50,831 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:00:50,831 INFO L857 garLoopResultBuilder]: For program point L2080-1(lines 2080 2091) no Hoare annotation was computed. [2021-11-07 02:00:50,831 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2021-11-07 02:00:50,832 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 962) no Hoare annotation was computed. [2021-11-07 02:00:50,832 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 951 966) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,832 INFO L857 garLoopResultBuilder]: For program point L958-3(lines 958 962) no Hoare annotation was computed. [2021-11-07 02:00:50,832 INFO L853 garLoopResultBuilder]: At program point L958-5(lines 951 966) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,832 INFO L857 garLoopResultBuilder]: For program point L958-6(lines 958 962) no Hoare annotation was computed. [2021-11-07 02:00:50,833 INFO L853 garLoopResultBuilder]: At program point L958-8(lines 951 966) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,833 INFO L857 garLoopResultBuilder]: For program point L2511-1(lines 2511 2527) no Hoare annotation was computed. [2021-11-07 02:00:50,833 INFO L853 garLoopResultBuilder]: At program point L1454(lines 1306 1455) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,833 INFO L857 garLoopResultBuilder]: For program point L2511(lines 2511 2527) no Hoare annotation was computed. [2021-11-07 02:00:50,833 INFO L857 garLoopResultBuilder]: For program point L1355(lines 1355 1359) no Hoare annotation was computed. [2021-11-07 02:00:50,833 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 1000) no Hoare annotation was computed. [2021-11-07 02:00:50,834 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 1000) no Hoare annotation was computed. [2021-11-07 02:00:50,834 INFO L857 garLoopResultBuilder]: For program point L992-4(lines 992 1000) no Hoare annotation was computed. [2021-11-07 02:00:50,834 INFO L857 garLoopResultBuilder]: For program point L992-6(lines 992 1000) no Hoare annotation was computed. [2021-11-07 02:00:50,834 INFO L857 garLoopResultBuilder]: For program point L992-8(lines 992 1000) no Hoare annotation was computed. [2021-11-07 02:00:50,834 INFO L853 garLoopResultBuilder]: At program point L1521(lines 1510 1524) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 02:00:50,837 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:50,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:00:50,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:00:50 BoogieIcfgContainer [2021-11-07 02:00:50,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:00:50,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:00:50,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:00:50,883 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:00:50,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:59:42" (3/4) ... [2021-11-07 02:00:50,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:00:50,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2021-11-07 02:00:50,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-11-07 02:00:50,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 02:00:50,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 02:00:50,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:00:50,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:00:50,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-11-07 02:00:50,953 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-11-07 02:00:50,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-11-07 02:00:50,954 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh [2021-11-07 02:00:50,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) && \result == 0bv32) [2021-11-07 02:00:50,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:50,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 02:00:50,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 02:00:51,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:00:51,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:00:51,047 INFO L168 Benchmark]: Toolchain (without parser) took 72439.27 ms. Allocated memory was 58.7 MB in the beginning and 337.6 MB in the end (delta: 278.9 MB). Free memory was 34.2 MB in the beginning and 241.8 MB in the end (delta: -207.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,047 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 39.7 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:00:51,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1029.72 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 34.0 MB in the beginning and 49.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.01 ms. Allocated memory is still 83.9 MB. Free memory was 49.3 MB in the beginning and 43.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,048 INFO L168 Benchmark]: Boogie Preprocessor took 133.46 ms. Allocated memory is still 83.9 MB. Free memory was 43.7 MB in the beginning and 62.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,049 INFO L168 Benchmark]: RCFGBuilder took 3026.35 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 62.8 MB in the beginning and 65.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,049 INFO L168 Benchmark]: TraceAbstraction took 67934.44 ms. Allocated memory was 109.1 MB in the beginning and 337.6 MB in the end (delta: 228.6 MB). Free memory was 64.6 MB in the beginning and 259.6 MB in the end (delta: -195.1 MB). Peak memory consumption was 197.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,050 INFO L168 Benchmark]: Witness Printer took 162.55 ms. Allocated memory is still 337.6 MB. Free memory was 259.6 MB in the beginning and 241.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:51,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory was 39.7 MB in the beginning and 39.7 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1029.72 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 34.0 MB in the beginning and 49.3 MB in the end (delta: -15.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.01 ms. Allocated memory is still 83.9 MB. Free memory was 49.3 MB in the beginning and 43.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 133.46 ms. Allocated memory is still 83.9 MB. Free memory was 43.7 MB in the beginning and 62.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3026.35 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 62.8 MB in the beginning and 65.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 67934.44 ms. Allocated memory was 109.1 MB in the beginning and 337.6 MB in the end (delta: 228.6 MB). Free memory was 64.6 MB in the beginning and 259.6 MB in the end (delta: -195.1 MB). Peak memory consumption was 197.7 MB. Max. memory is 16.1 GB. * Witness Printer took 162.55 ms. Allocated memory is still 337.6 MB. Free memory was 259.6 MB in the beginning and 241.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 120]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 120]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 162 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 67.8s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4933 SDtfs, 14015 SDslu, 10690 SDs, 0 SdLazy, 985 SolverSat, 220 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2660 GetRequests, 2391 SyntacticMatches, 0 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6211 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=16, InterpolantAutomatonStates: 228, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 5462 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 1041 NumberOfFragments, 1806 HoareAnnotationTreeSize, 63 FomulaSimplifications, 1661908494 FormulaSimplificationTreeSizeReduction, 8.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 11421650 FormulaSimplificationTreeSizeReductionInter, 13.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2484 ConstructedInterpolants, 0 QuantifiedInterpolants, 4006 SizeOfPredicates, 76 NumberOfNonLiveVariables, 9619 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 46 InterpolantComputations, 34 PerfectInterpolantSequences, 194/290 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2507]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2072]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1306]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1398]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2554]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2507]: Loop Invariant Derived loop invariant: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) && \result == 0bv32) - InvariantResult [Line: 1362]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1420]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1326]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2072]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1307]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2554]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1373]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1340]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1464]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1409]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1510]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1387]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1315]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1351]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh RESULT: Ultimate proved your program to be correct! [2021-11-07 02:00:51,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b478315b-f84e-4e74-907d-4284b9207d89/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE