./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product03.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_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/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_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/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_af5e4c89-de6c-405d-b8c1-188a7910b56c/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 ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:39,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:39,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:39,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:39,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:39,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:39,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:39,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:39,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:39,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:39,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:39,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:39,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:39,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:39,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:39,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:39,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:39,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:39,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:39,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:39,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:39,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:39,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:39,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:39,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:39,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:39,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:39,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:39,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:39,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:39,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:39,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:39,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:39,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:39,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:39,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:39,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:39,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:39,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:39,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:39,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:39,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:54:40,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:40,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:40,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:40,030 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:40,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:40,030 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:40,030 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:54:40,031 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:40,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:40,037 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:54:40,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:54:40,039 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:40,039 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:54:40,039 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:54:40,039 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:54:40,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:40,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:40,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:54:40,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:40,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:40,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:40,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:40,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:40,042 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:40,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:40,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:40,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:40,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:40,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:40,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:40,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:40,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:40,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:40,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:40,046 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:54:40,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:54:40,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:40,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:40,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:40,047 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 [2021-11-07 00:54:40,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:40,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:40,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:40,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:40,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:40,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-11-07 00:54:40,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/722f28583/e7d099e22cad446d811ee414fe87d807/FLAG67ce465fb [2021-11-07 00:54:41,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:41,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-11-07 00:54:41,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/722f28583/e7d099e22cad446d811ee414fe87d807/FLAG67ce465fb [2021-11-07 00:54:41,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/722f28583/e7d099e22cad446d811ee414fe87d807 [2021-11-07 00:54:41,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:41,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:41,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:41,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:41,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:41,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:41" (1/1) ... [2021-11-07 00:54:41,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b7e22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:41, skipping insertion in model container [2021-11-07 00:54:41,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:41" (1/1) ... [2021-11-07 00:54:41,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:41,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:41,756 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2021-11-07 00:54:41,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:41,903 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 00:54:41,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b272c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:41, skipping insertion in model container [2021-11-07 00:54:41,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:41,909 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:54:41,911 INFO L168 Benchmark]: Toolchain (without parser) took 632.18 ms. Allocated memory is still 107.0 MB. Free memory was 66.4 MB in the beginning and 70.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,912 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:54:41,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.37 ms. Allocated memory is still 107.0 MB. Free memory was 66.2 MB in the beginning and 70.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:54:41,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 107.0 MB. Free memory is still 85.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.37 ms. Allocated memory is still 107.0 MB. Free memory was 66.2 MB in the beginning and 70.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1079]: 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/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_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/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_af5e4c89-de6c-405d-b8c1-188a7910b56c/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 ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:54:44,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:54:44,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:54:44,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:54:44,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:54:44,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:54:44,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:54:44,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:54:44,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:54:44,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:54:44,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:54:44,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:54:44,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:54:44,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:54:44,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:54:44,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:54:44,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:54:44,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:54:44,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:54:44,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:54:44,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:54:44,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:54:44,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:54:44,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:54:44,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:54:44,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:54:44,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:54:44,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:54:44,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:54:44,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:54:44,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:54:44,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:54:44,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:54:44,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:54:44,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:54:44,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:54:44,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:54:44,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:54:44,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:54:44,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:54:44,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:54:44,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:54:44,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:54:44,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:54:44,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:54:44,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:54:44,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:54:44,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:54:44,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:54:44,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:54:44,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:54:44,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:54:44,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:54:44,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:54:44,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:54:44,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:54:44,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:54:44,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:54:44,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:54:44,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:54:44,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:54:44,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:54:44,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:54:44,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:54:44,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:54:44,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:54:44,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:54:44,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:54:44,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:44,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:54:44,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:54:44,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:54:44,321 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:54:44,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:54:44,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:54:44,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:54:44,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:54:44,322 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceaa95778492e3bc285d343b26b58125dae05b4d97d6b8fbdf100b65fa491c48 [2021-11-07 00:54:44,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:54:44,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:54:44,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:54:44,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:54:44,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:54:44,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-11-07 00:54:44,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/4de65a5b0/d399b299e011414082e439831efe615a/FLAG5c5038ea6 [2021-11-07 00:54:45,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:54:45,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2021-11-07 00:54:45,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/4de65a5b0/d399b299e011414082e439831efe615a/FLAG5c5038ea6 [2021-11-07 00:54:45,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/data/4de65a5b0/d399b299e011414082e439831efe615a [2021-11-07 00:54:45,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:54:45,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:54:45,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:45,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:54:45,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:54:45,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:45" (1/1) ... [2021-11-07 00:54:45,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8f0168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:45, skipping insertion in model container [2021-11-07 00:54:45,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:54:45" (1/1) ... [2021-11-07 00:54:45,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:54:45,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:46,373 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2021-11-07 00:54:46,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:46,583 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:54:46,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:54:46,634 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2021-11-07 00:54:46,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:46,741 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:54:46,797 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_af5e4c89-de6c-405d-b8c1-188a7910b56c/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c[19915,19928] [2021-11-07 00:54:46,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:54:46,906 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:54:46,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46 WrapperNode [2021-11-07 00:54:46,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:54:46,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:46,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:54:46,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:54:46,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:46,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:54:47,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:54:47,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:54:47,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:54:47,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:54:47,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:54:47,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:54:47,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:54:47,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (1/1) ... [2021-11-07 00:54:47,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:54:47,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:54:47,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:54:47,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:54:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-07 00:54:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:54:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:54:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:54:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:54:50,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:54:50,279 INFO L299 CfgBuilder]: Removed 111 assume(true) statements. [2021-11-07 00:54:50,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:50 BoogieIcfgContainer [2021-11-07 00:54:50,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:54:50,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:54:50,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:54:50,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:54:50,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:54:45" (1/3) ... [2021-11-07 00:54:50,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f21714e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:50, skipping insertion in model container [2021-11-07 00:54:50,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:54:46" (2/3) ... [2021-11-07 00:54:50,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f21714e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:54:50, skipping insertion in model container [2021-11-07 00:54:50,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:50" (3/3) ... [2021-11-07 00:54:50,290 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2021-11-07 00:54:50,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:54:50,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 00:54:50,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:54:50,365 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 00:54:50,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 00:54:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 117 states have internal predecessors, (192), 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 00:54:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 00:54:50,407 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:50,408 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] [2021-11-07 00:54:50,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:50,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:50,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1526697543, now seen corresponding path program 1 times [2021-11-07 00:54:50,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:50,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734976238] [2021-11-07 00:54:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:50,433 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:50,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:50,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:50,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:54:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:50,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:54:50,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:50,974 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 00:54:50,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:51,070 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 00:54:51,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:51,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734976238] [2021-11-07 00:54:51,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734976238] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:51,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:51,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:54:51,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708396227] [2021-11-07 00:54:51,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:54:51,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:51,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:54:51,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:54:51,096 INFO L87 Difference]: Start difference. First operand has 118 states, 115 states have (on average 1.6695652173913043) internal successors, (192), 117 states have internal predecessors, (192), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 00:54:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:51,150 INFO L93 Difference]: Finished difference Result 189 states and 299 transitions. [2021-11-07 00:54:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:54:51,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 32 [2021-11-07 00:54:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:51,162 INFO L225 Difference]: With dead ends: 189 [2021-11-07 00:54:51,163 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 00:54:51,166 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 00:54:51,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 00:54:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-07 00:54:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 105 states have (on average 1.619047619047619) internal successors, (170), 106 states have internal predecessors, (170), 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 00:54:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 170 transitions. [2021-11-07 00:54:51,218 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 170 transitions. Word has length 32 [2021-11-07 00:54:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:51,218 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 170 transitions. [2021-11-07 00:54:51,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 00:54:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2021-11-07 00:54:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 00:54:51,221 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:51,221 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] [2021-11-07 00:54:51,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 00:54:51,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:51,435 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:51,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:51,436 INFO L85 PathProgramCache]: Analyzing trace with hash -380016211, now seen corresponding path program 1 times [2021-11-07 00:54:51,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:51,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046675371] [2021-11-07 00:54:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:51,438 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:51,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:51,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:54:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:51,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:51,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:51,915 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 00:54:51,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:52,024 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 00:54:52,025 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:52,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046675371] [2021-11-07 00:54:52,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046675371] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:52,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:52,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:52,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359922733] [2021-11-07 00:54:52,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:52,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:52,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:52,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:52,034 INFO L87 Difference]: Start difference. First operand 107 states and 170 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 00:54:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:52,145 INFO L93 Difference]: Finished difference Result 295 states and 469 transitions. [2021-11-07 00:54:52,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:52,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 33 [2021-11-07 00:54:52,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:52,156 INFO L225 Difference]: With dead ends: 295 [2021-11-07 00:54:52,156 INFO L226 Difference]: Without dead ends: 199 [2021-11-07 00:54:52,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 00:54:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-11-07 00:54:52,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 106. [2021-11-07 00:54:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.5865384615384615) internal successors, (165), 105 states have internal predecessors, (165), 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 00:54:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2021-11-07 00:54:52,200 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 33 [2021-11-07 00:54:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:52,202 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2021-11-07 00:54:52,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 00:54:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2021-11-07 00:54:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 00:54:52,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:52,208 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] [2021-11-07 00:54:52,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:52,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:52,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1621283904, now seen corresponding path program 1 times [2021-11-07 00:54:52,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:52,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729497739] [2021-11-07 00:54:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:52,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:52,424 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:54:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:52,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:54:52,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:52,822 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 00:54:52,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:52,920 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 00:54:52,920 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:52,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729497739] [2021-11-07 00:54:52,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729497739] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:52,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:52,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:52,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698615277] [2021-11-07 00:54:52,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:52,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:52,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:52,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:52,923 INFO L87 Difference]: Start difference. First operand 106 states and 165 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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 00:54:52,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:52,987 INFO L93 Difference]: Finished difference Result 205 states and 320 transitions. [2021-11-07 00:54:52,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:52,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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 35 [2021-11-07 00:54:52,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:52,993 INFO L225 Difference]: With dead ends: 205 [2021-11-07 00:54:52,993 INFO L226 Difference]: Without dead ends: 107 [2021-11-07 00:54:52,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 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 00:54:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-07 00:54:53,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2021-11-07 00:54:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.5576923076923077) internal successors, (162), 105 states have internal predecessors, (162), 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 00:54:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 162 transitions. [2021-11-07 00:54:53,014 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 162 transitions. Word has length 35 [2021-11-07 00:54:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:53,018 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 162 transitions. [2021-11-07 00:54:53,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 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 00:54:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 162 transitions. [2021-11-07 00:54:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 00:54:53,027 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:53,027 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] [2021-11-07 00:54:53,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:53,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:53,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash 77051259, now seen corresponding path program 1 times [2021-11-07 00:54:53,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:53,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012724792] [2021-11-07 00:54:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:53,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:53,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:53,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:54:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:53,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:53,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:53,658 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 00:54:53,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:53,751 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 00:54:53,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:53,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012724792] [2021-11-07 00:54:53,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012724792] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:53,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:53,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:53,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912191891] [2021-11-07 00:54:53,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:53,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:53,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:53,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:53,755 INFO L87 Difference]: Start difference. First operand 106 states and 162 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 00:54:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:53,795 INFO L93 Difference]: Finished difference Result 257 states and 396 transitions. [2021-11-07 00:54:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:53,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 36 [2021-11-07 00:54:53,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:53,797 INFO L225 Difference]: With dead ends: 257 [2021-11-07 00:54:53,798 INFO L226 Difference]: Without dead ends: 197 [2021-11-07 00:54:53,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 00:54:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-07 00:54:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 137. [2021-11-07 00:54:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.614814814814815) internal successors, (218), 136 states have internal predecessors, (218), 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 00:54:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 218 transitions. [2021-11-07 00:54:53,839 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 218 transitions. Word has length 36 [2021-11-07 00:54:53,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:53,840 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 218 transitions. [2021-11-07 00:54:53,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 00:54:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 218 transitions. [2021-11-07 00:54:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 00:54:53,843 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:53,843 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] [2021-11-07 00:54:53,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 00:54:54,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:54,056 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:54,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:54,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2145452763, now seen corresponding path program 1 times [2021-11-07 00:54:54,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:54,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328792744] [2021-11-07 00:54:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:54,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:54,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:54,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:54:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:54,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:54,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:54,540 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 00:54:54,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:54,671 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 00:54:54,671 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:54,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328792744] [2021-11-07 00:54:54,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328792744] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:54,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:54,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:54:54,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901751112] [2021-11-07 00:54:54,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:54:54,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:54:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:54:54,673 INFO L87 Difference]: Start difference. First operand 137 states and 218 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 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 00:54:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:54,712 INFO L93 Difference]: Finished difference Result 430 states and 694 transitions. [2021-11-07 00:54:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:54:54,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 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 46 [2021-11-07 00:54:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:54,715 INFO L225 Difference]: With dead ends: 430 [2021-11-07 00:54:54,716 INFO L226 Difference]: Without dead ends: 341 [2021-11-07 00:54:54,716 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 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 00:54:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-07 00:54:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 191. [2021-11-07 00:54:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 189 states have (on average 1.687830687830688) internal successors, (319), 190 states have internal predecessors, (319), 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 00:54:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 319 transitions. [2021-11-07 00:54:54,735 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 319 transitions. Word has length 46 [2021-11-07 00:54:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:54,736 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 319 transitions. [2021-11-07 00:54:54,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 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 00:54:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 319 transitions. [2021-11-07 00:54:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 00:54:54,737 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:54,737 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] [2021-11-07 00:54:54,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:54,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:54,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1295322390, now seen corresponding path program 1 times [2021-11-07 00:54:54,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:54,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833081080] [2021-11-07 00:54:54,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:54,953 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:54,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:54,954 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:54,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 00:54:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:55,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:55,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:55,432 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 00:54:55,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:55,572 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 00:54:55,573 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:55,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833081080] [2021-11-07 00:54:55,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833081080] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:55,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:55,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:55,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343280345] [2021-11-07 00:54:55,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:55,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:55,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:55,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:55,577 INFO L87 Difference]: Start difference. First operand 191 states and 319 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 00:54:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:55,607 INFO L93 Difference]: Finished difference Result 341 states and 549 transitions. [2021-11-07 00:54:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:55,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-07 00:54:55,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:55,609 INFO L225 Difference]: With dead ends: 341 [2021-11-07 00:54:55,609 INFO L226 Difference]: Without dead ends: 227 [2021-11-07 00:54:55,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 00:54:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-07 00:54:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 167. [2021-11-07 00:54:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 165 states have (on average 1.6363636363636365) internal successors, (270), 166 states have internal predecessors, (270), 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 00:54:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 270 transitions. [2021-11-07 00:54:55,628 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 270 transitions. Word has length 48 [2021-11-07 00:54:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:55,628 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 270 transitions. [2021-11-07 00:54:55,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 00:54:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 270 transitions. [2021-11-07 00:54:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 00:54:55,630 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:55,630 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] [2021-11-07 00:54:55,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:55,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:55,845 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:55,845 INFO L85 PathProgramCache]: Analyzing trace with hash 731085340, now seen corresponding path program 1 times [2021-11-07 00:54:55,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:55,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499374060] [2021-11-07 00:54:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:55,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:55,847 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:55,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 00:54:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:56,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:54:56,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:56,350 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 00:54:56,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:56,479 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 00:54:56,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:56,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499374060] [2021-11-07 00:54:56,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499374060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:56,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:56,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:54:56,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235383329] [2021-11-07 00:54:56,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:54:56,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:56,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:54:56,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:54:56,481 INFO L87 Difference]: Start difference. First operand 167 states and 270 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 00:54:56,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:56,514 INFO L93 Difference]: Finished difference Result 413 states and 680 transitions. [2021-11-07 00:54:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:54:56,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 48 [2021-11-07 00:54:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:56,517 INFO L225 Difference]: With dead ends: 413 [2021-11-07 00:54:56,517 INFO L226 Difference]: Without dead ends: 276 [2021-11-07 00:54:56,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 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 00:54:56,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-07 00:54:56,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 216. [2021-11-07 00:54:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 214 states have (on average 1.6682242990654206) internal successors, (357), 215 states have internal predecessors, (357), 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 00:54:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 357 transitions. [2021-11-07 00:54:56,538 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 357 transitions. Word has length 48 [2021-11-07 00:54:56,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:56,538 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 357 transitions. [2021-11-07 00:54:56,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 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 00:54:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 357 transitions. [2021-11-07 00:54:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 00:54:56,540 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:56,540 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] [2021-11-07 00:54:56,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:54:56,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:56,758 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:56,758 INFO L85 PathProgramCache]: Analyzing trace with hash -850618424, now seen corresponding path program 1 times [2021-11-07 00:54:56,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:56,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033954342] [2021-11-07 00:54:56,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:56,759 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:56,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:56,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 00:54:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:57,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:57,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:57,291 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 00:54:57,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:54:57,451 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 00:54:57,451 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:54:57,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033954342] [2021-11-07 00:54:57,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033954342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:54:57,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:54:57,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 00:54:57,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566221531] [2021-11-07 00:54:57,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:54:57,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:54:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:54:57,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:54:57,454 INFO L87 Difference]: Start difference. First operand 216 states and 357 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 00:54:59,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:54:59,064 INFO L93 Difference]: Finished difference Result 490 states and 814 transitions. [2021-11-07 00:54:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:54:59,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 49 [2021-11-07 00:54:59,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:54:59,067 INFO L225 Difference]: With dead ends: 490 [2021-11-07 00:54:59,068 INFO L226 Difference]: Without dead ends: 322 [2021-11-07 00:54:59,068 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 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 00:54:59,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-11-07 00:54:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 213. [2021-11-07 00:54:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 211 states have (on average 1.6350710900473933) internal successors, (345), 212 states have internal predecessors, (345), 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 00:54:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 345 transitions. [2021-11-07 00:54:59,099 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 345 transitions. Word has length 49 [2021-11-07 00:54:59,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:54:59,100 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 345 transitions. [2021-11-07 00:54:59,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 00:54:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 345 transitions. [2021-11-07 00:54:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 00:54:59,101 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:54:59,101 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] [2021-11-07 00:54:59,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-07 00:54:59,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:54:59,315 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:54:59,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:54:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash 109709024, now seen corresponding path program 1 times [2021-11-07 00:54:59,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:54:59,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400648919] [2021-11-07 00:54:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:54:59,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:54:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:54:59,316 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:54:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 00:54:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:54:59,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:54:59,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:54:59,884 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 00:54:59,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:00,056 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 00:55:00,056 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:00,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400648919] [2021-11-07 00:55:00,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400648919] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:00,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [590814312] [2021-11-07 00:55:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:00,057 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:55:00,064 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:55:00,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 00:55:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:00,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 00:55:00,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:00,913 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 00:55:00,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:01,239 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 00:55:01,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [590814312] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:01,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:55:01,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-11-07 00:55:01,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444074149] [2021-11-07 00:55:01,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 00:55:01,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:01,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 00:55:01,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-07 00:55:01,242 INFO L87 Difference]: Start difference. First operand 213 states and 345 transitions. Second operand has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 00:55:07,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:07,848 INFO L93 Difference]: Finished difference Result 1085 states and 1494 transitions. [2021-11-07 00:55:07,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-07 00:55:07,849 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 49 [2021-11-07 00:55:07,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:07,859 INFO L225 Difference]: With dead ends: 1085 [2021-11-07 00:55:07,859 INFO L226 Difference]: Without dead ends: 1046 [2021-11-07 00:55:07,864 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3054 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-11-07 00:55:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-11-07 00:55:07,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 284. [2021-11-07 00:55:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 282 states have (on average 1.574468085106383) internal successors, (444), 283 states have internal predecessors, (444), 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 00:55:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 444 transitions. [2021-11-07 00:55:07,919 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 444 transitions. Word has length 49 [2021-11-07 00:55:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:07,920 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 444 transitions. [2021-11-07 00:55:07,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 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 00:55:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 444 transitions. [2021-11-07 00:55:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 00:55:07,921 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:07,921 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] [2021-11-07 00:55:07,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:08,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:08,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:08,325 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:08,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1943185755, now seen corresponding path program 1 times [2021-11-07 00:55:08,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:08,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098128594] [2021-11-07 00:55:08,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:08,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:08,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:08,328 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:08,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 00:55:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:08,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:55:08,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:08,883 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 00:55:08,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:09,035 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 00:55:09,036 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:09,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098128594] [2021-11-07 00:55:09,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098128594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:09,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1751412537] [2021-11-07 00:55:09,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:09,037 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:09,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:55:09,038 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:55:09,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 00:55:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:09,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 00:55:09,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:09,768 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 00:55:09,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:09,884 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 00:55:09,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1751412537] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:09,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:55:09,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-11-07 00:55:09,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117897599] [2021-11-07 00:55:09,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:55:09,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:55:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:55:09,888 INFO L87 Difference]: Start difference. First operand 284 states and 444 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 00:55:10,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:10,032 INFO L93 Difference]: Finished difference Result 386 states and 582 transitions. [2021-11-07 00:55:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 00:55:10,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 50 [2021-11-07 00:55:10,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:10,035 INFO L225 Difference]: With dead ends: 386 [2021-11-07 00:55:10,035 INFO L226 Difference]: Without dead ends: 285 [2021-11-07 00:55:10,036 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 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 00:55:10,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-11-07 00:55:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 271. [2021-11-07 00:55:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.5724907063197027) internal successors, (423), 270 states have internal predecessors, (423), 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 00:55:10,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 423 transitions. [2021-11-07 00:55:10,073 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 423 transitions. Word has length 50 [2021-11-07 00:55:10,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:10,073 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 423 transitions. [2021-11-07 00:55:10,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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 00:55:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 423 transitions. [2021-11-07 00:55:10,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 00:55:10,075 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:10,075 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] [2021-11-07 00:55:10,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:10,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:10,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:10,488 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:10,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash 620522782, now seen corresponding path program 1 times [2021-11-07 00:55:10,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:10,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968531833] [2021-11-07 00:55:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:10,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:10,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:10,490 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 00:55:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:10,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:55:10,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:11,033 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 00:55:11,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:11,174 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 00:55:11,174 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:11,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968531833] [2021-11-07 00:55:11,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968531833] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:11,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [304137674] [2021-11-07 00:55:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:11,174 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:11,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:55:11,180 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:55:11,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-07 00:55:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:11,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:55:11,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:11,943 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 00:55:11,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:12,112 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 00:55:12,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [304137674] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:12,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:55:12,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-07 00:55:12,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629432170] [2021-11-07 00:55:12,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:55:12,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:12,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:55:12,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:55:12,114 INFO L87 Difference]: Start difference. First operand 271 states and 423 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 00:55:12,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:12,287 INFO L93 Difference]: Finished difference Result 580 states and 874 transitions. [2021-11-07 00:55:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 00:55:12,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 50 [2021-11-07 00:55:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:12,292 INFO L225 Difference]: With dead ends: 580 [2021-11-07 00:55:12,292 INFO L226 Difference]: Without dead ends: 495 [2021-11-07 00:55:12,292 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-07 00:55:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2021-11-07 00:55:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 418. [2021-11-07 00:55:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 416 states have (on average 1.5673076923076923) internal successors, (652), 417 states have internal predecessors, (652), 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 00:55:12,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 652 transitions. [2021-11-07 00:55:12,356 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 652 transitions. Word has length 50 [2021-11-07 00:55:12,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:12,357 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 652 transitions. [2021-11-07 00:55:12,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 00:55:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 652 transitions. [2021-11-07 00:55:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 00:55:12,359 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:12,359 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] [2021-11-07 00:55:12,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:12,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:12,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:12,779 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:12,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1172069612, now seen corresponding path program 1 times [2021-11-07 00:55:12,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:12,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446655136] [2021-11-07 00:55:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:12,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:12,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:12,782 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:12,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 00:55:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:13,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:55:13,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:13,412 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 00:55:13,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:13,582 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 00:55:13,593 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:13,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446655136] [2021-11-07 00:55:13,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446655136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:55:13,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1212066541] [2021-11-07 00:55:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:13,594 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:13,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:55:13,599 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:55:13,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 00:55:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:14,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 00:55:14,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:14,418 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 00:55:14,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:14,540 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 00:55:14,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1212066541] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:14,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 00:55:14,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-11-07 00:55:14,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824045522] [2021-11-07 00:55:14,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 00:55:14,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:14,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 00:55:14,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:55:14,542 INFO L87 Difference]: Start difference. First operand 418 states and 652 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 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 00:55:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:14,679 INFO L93 Difference]: Finished difference Result 480 states and 738 transitions. [2021-11-07 00:55:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:55:14,680 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 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 51 [2021-11-07 00:55:14,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:14,680 INFO L225 Difference]: With dead ends: 480 [2021-11-07 00:55:14,680 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:55:14,682 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 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 00:55:14,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:55:14,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:55:14,683 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 00:55:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:55:14,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-11-07 00:55:14,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:14,683 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:55:14,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 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 00:55:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:55:14,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:55:14,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:55:14,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:55:14,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:14,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:15,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:15,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:55:15,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:15,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:17,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:20,816 INFO L853 garLoopResultBuilder]: At program point L960(lines 955 963) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 00:55:20,816 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-11-07 00:55:20,825 INFO L853 garLoopResultBuilder]: At program point L168(lines 148 170) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:55:20,826 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-11-07 00:55:20,826 INFO L853 garLoopResultBuilder]: At program point L532-2(lines 525 540) 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 00:55:20,826 INFO L857 garLoopResultBuilder]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2021-11-07 00:55:20,826 INFO L857 garLoopResultBuilder]: For program point L2481(lines 2481 2485) no Hoare annotation was computed. [2021-11-07 00:55:20,827 INFO L857 garLoopResultBuilder]: For program point L2481-3(lines 2481 2485) no Hoare annotation was computed. [2021-11-07 00:55:20,827 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-11-07 00:55:20,827 INFO L853 garLoopResultBuilder]: At program point L532-5(lines 525 540) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,827 INFO L853 garLoopResultBuilder]: At program point L2481-2(lines 1 2554) 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)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 00:55:20,827 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2021-11-07 00:55:20,827 INFO L853 garLoopResultBuilder]: At program point L367-1(lines 242 385) 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 00:55:20,828 INFO L857 garLoopResultBuilder]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2021-11-07 00:55:20,828 INFO L853 garLoopResultBuilder]: At program point L2481-5(lines 1 2554) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-11-07 00:55:20,828 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 305) no Hoare annotation was computed. [2021-11-07 00:55:20,828 INFO L853 garLoopResultBuilder]: At program point L532-8(lines 525 540) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 00:55:20,828 INFO L857 garLoopResultBuilder]: For program point L2481-6(lines 2481 2485) no Hoare annotation was computed. [2021-11-07 00:55:20,829 INFO L853 garLoopResultBuilder]: At program point L2481-8(lines 1 2554) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 00:55:20,829 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 574) no Hoare annotation was computed. [2021-11-07 00:55:20,829 INFO L857 garLoopResultBuilder]: For program point L566-2(lines 566 574) no Hoare annotation was computed. [2021-11-07 00:55:20,829 INFO L857 garLoopResultBuilder]: For program point L566-4(lines 566 574) no Hoare annotation was computed. [2021-11-07 00:55:20,829 INFO L857 garLoopResultBuilder]: For program point L1029(line 1029) no Hoare annotation was computed. [2021-11-07 00:55:20,829 INFO L857 garLoopResultBuilder]: For program point L1029-1(line 1029) no Hoare annotation was computed. [2021-11-07 00:55:20,830 INFO L853 garLoopResultBuilder]: At program point L1030(lines 1006 1023) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,830 INFO L860 garLoopResultBuilder]: At program point L1030-1(lines 1006 1023) the Hoare annotation is: true [2021-11-07 00:55:20,830 INFO L857 garLoopResultBuilder]: For program point L2451-1(lines 2451 2467) no Hoare annotation was computed. [2021-11-07 00:55:20,830 INFO L857 garLoopResultBuilder]: For program point L2451(lines 2451 2467) no Hoare annotation was computed. [2021-11-07 00:55:20,830 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2021-11-07 00:55:20,831 INFO L853 garLoopResultBuilder]: At program point L569-2(lines 562 577) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,831 INFO L853 garLoopResultBuilder]: At program point L2551(lines 2540 2554) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,831 INFO L857 garLoopResultBuilder]: For program point L569-3(lines 569 573) no Hoare annotation was computed. [2021-11-07 00:55:20,831 INFO L853 garLoopResultBuilder]: At program point L569-5(lines 562 577) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |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 00:55:20,831 INFO L857 garLoopResultBuilder]: For program point L569-6(lines 569 573) no Hoare annotation was computed. [2021-11-07 00:55:20,831 INFO L860 garLoopResultBuilder]: At program point L569-8(lines 562 577) the Hoare annotation is: true [2021-11-07 00:55:20,832 INFO L853 garLoopResultBuilder]: At program point L340(lines 330 377) 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 00:55:20,832 INFO L853 garLoopResultBuilder]: At program point L307(lines 297 380) 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 00:55:20,832 INFO L853 garLoopResultBuilder]: At program point L274(lines 261 383) 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 00:55:20,832 INFO L857 garLoopResultBuilder]: For program point L2455-1(lines 2455 2466) no Hoare annotation was computed. [2021-11-07 00:55:20,832 INFO L857 garLoopResultBuilder]: For program point L2455(lines 2455 2466) no Hoare annotation was computed. [2021-11-07 00:55:20,833 INFO L857 garLoopResultBuilder]: For program point L1993(lines 1993 2005) no Hoare annotation was computed. [2021-11-07 00:55:20,833 INFO L853 garLoopResultBuilder]: At program point L969(lines 964 972) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 00:55:20,833 INFO L857 garLoopResultBuilder]: For program point L243(lines 242 385) no Hoare annotation was computed. [2021-11-07 00:55:20,833 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-11-07 00:55:20,833 INFO L857 garLoopResultBuilder]: For program point L1996(lines 1996 2004) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 521) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L510-1(lines 510 521) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L2459-1(lines 2459 2465) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L2459(lines 2459 2465) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 349) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-11-07 00:55:20,834 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-11-07 00:55:20,835 INFO L857 garLoopResultBuilder]: For program point L907(lines 907 913) no Hoare annotation was computed. [2021-11-07 00:55:20,835 INFO L853 garLoopResultBuilder]: At program point L907-1(lines 1 2554) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 00:55:20,835 INFO L857 garLoopResultBuilder]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2021-11-07 00:55:20,835 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2021-11-07 00:55:20,835 INFO L860 garLoopResultBuilder]: At program point L181-1(lines 181 188) the Hoare annotation is: true [2021-11-07 00:55:20,836 INFO L853 garLoopResultBuilder]: At program point L2527-1(lines 2522 2530) 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 00:55:20,836 INFO L853 garLoopResultBuilder]: At program point L2527(lines 2522 2530) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,836 INFO L857 garLoopResultBuilder]: For program point L1999(lines 1999 2003) no Hoare annotation was computed. [2021-11-07 00:55:20,836 INFO L853 garLoopResultBuilder]: At program point L1999-2(lines 1 2554) 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 00:55:20,836 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 558) no Hoare annotation was computed. [2021-11-07 00:55:20,836 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 520) no Hoare annotation was computed. [2021-11-07 00:55:20,837 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 547 558) no Hoare annotation was computed. [2021-11-07 00:55:20,837 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 514 520) no Hoare annotation was computed. [2021-11-07 00:55:20,837 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 384) no Hoare annotation was computed. [2021-11-07 00:55:20,837 INFO L853 garLoopResultBuilder]: At program point L2464(lines 2447 2470) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,837 INFO L853 garLoopResultBuilder]: At program point L2464-1(lines 2447 2470) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 00:55:20,837 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:55:20,838 INFO L853 garLoopResultBuilder]: At program point L978(lines 973 981) 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 (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 00:55:20,838 INFO L857 garLoopResultBuilder]: For program point L1969(lines 1969 1985) no Hoare annotation was computed. [2021-11-07 00:55:20,838 INFO L857 garLoopResultBuilder]: For program point L1969-1(lines 1969 1985) no Hoare annotation was computed. [2021-11-07 00:55:20,838 INFO L853 garLoopResultBuilder]: At program point L417(lines 1 2554) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 00:55:20,838 INFO L853 garLoopResultBuilder]: At program point L351(lines 341 376) 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 00:55:20,839 INFO L853 garLoopResultBuilder]: At program point L318(lines 308 379) 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 00:55:20,839 INFO L853 garLoopResultBuilder]: At program point L285(lines 275 382) 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 00:55:20,839 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 557) no Hoare annotation was computed. [2021-11-07 00:55:20,839 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 551 557) no Hoare annotation was computed. [2021-11-07 00:55:20,839 INFO L853 garLoopResultBuilder]: At program point L386(lines 241 387) 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 00:55:20,839 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-11-07 00:55:20,839 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1020) no Hoare annotation was computed. [2021-11-07 00:55:20,840 INFO L857 garLoopResultBuilder]: For program point L1014-2(lines 1014 1020) no Hoare annotation was computed. [2021-11-07 00:55:20,840 INFO L853 garLoopResultBuilder]: At program point L519(lines 506 524) the Hoare annotation is: (and (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 (_ bv1 32)) (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,840 INFO L860 garLoopResultBuilder]: At program point L519-1(lines 506 524) the Hoare annotation is: true [2021-11-07 00:55:20,840 INFO L860 garLoopResultBuilder]: At program point L189(lines 171 191) the Hoare annotation is: true [2021-11-07 00:55:20,840 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 1984) no Hoare annotation was computed. [2021-11-07 00:55:20,840 INFO L857 garLoopResultBuilder]: For program point L1973-1(lines 1973 1984) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 360) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 294) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2021-11-07 00:55:20,841 INFO L853 garLoopResultBuilder]: At program point L886(lines 1 2554) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#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) (not (= ULTIMATE.start_incoming_~client (_ bv1 32)))) [2021-11-07 00:55:20,842 INFO L853 garLoopResultBuilder]: At program point L886-1(lines 1 2554) 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|) .cse0 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:55:20,842 INFO L853 garLoopResultBuilder]: At program point L556(lines 543 561) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#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 00:55:20,842 INFO L853 garLoopResultBuilder]: At program point L556-1(lines 543 561) 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 (= ULTIMATE.start_incoming_~tmp~5 (_ bv0 32)) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) .cse0 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:55:20,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:55:20,842 INFO L857 garLoopResultBuilder]: For program point L1977(lines 1977 1983) no Hoare annotation was computed. [2021-11-07 00:55:20,843 INFO L857 garLoopResultBuilder]: For program point L1977-1(lines 1977 1983) no Hoare annotation was computed. [2021-11-07 00:55:20,843 INFO L853 garLoopResultBuilder]: At program point L425(lines 420 428) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 00:55:20,843 INFO L853 garLoopResultBuilder]: At program point L260(lines 250 384) 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 00:55:20,843 INFO L857 garLoopResultBuilder]: For program point L2475(lines 2475 2487) no Hoare annotation was computed. [2021-11-07 00:55:20,843 INFO L857 garLoopResultBuilder]: For program point L2475-2(lines 2475 2487) no Hoare annotation was computed. [2021-11-07 00:55:20,843 INFO L857 garLoopResultBuilder]: For program point L2475-4(lines 2475 2487) no Hoare annotation was computed. [2021-11-07 00:55:20,844 INFO L853 garLoopResultBuilder]: At program point L362(lines 352 375) 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 00:55:20,844 INFO L853 garLoopResultBuilder]: At program point L329(lines 319 378) 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 00:55:20,844 INFO L853 garLoopResultBuilder]: At program point L296(lines 286 381) 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 00:55:20,844 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:55:20,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1029) no Hoare annotation was computed. [2021-11-07 00:55:20,845 INFO L853 garLoopResultBuilder]: At program point L1982(lines 1965 1988) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |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 00:55:20,845 INFO L853 garLoopResultBuilder]: At program point L1982-1(lines 1965 1988) 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 (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-07 00:55:20,845 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 537) no Hoare annotation was computed. [2021-11-07 00:55:20,845 INFO L857 garLoopResultBuilder]: For program point L2478(lines 2478 2486) no Hoare annotation was computed. [2021-11-07 00:55:20,845 INFO L857 garLoopResultBuilder]: For program point L529-2(lines 529 537) no Hoare annotation was computed. [2021-11-07 00:55:20,845 INFO L857 garLoopResultBuilder]: For program point L2478-2(lines 2478 2486) no Hoare annotation was computed. [2021-11-07 00:55:20,846 INFO L857 garLoopResultBuilder]: For program point L529-4(lines 529 537) no Hoare annotation was computed. [2021-11-07 00:55:20,846 INFO L857 garLoopResultBuilder]: For program point L2478-4(lines 2478 2486) no Hoare annotation was computed. [2021-11-07 00:55:20,846 INFO L857 garLoopResultBuilder]: For program point L265(lines 265 272) no Hoare annotation was computed. [2021-11-07 00:55:20,849 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:20,850 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:55:20,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:55:20 BoogieIcfgContainer [2021-11-07 00:55:20,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:55:20,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:55:20,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:55:20,885 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:55:20,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:54:50" (3/4) ... [2021-11-07 00:55:20,888 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:55:20,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2021-11-07 00:55:20,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-11-07 00:55:20,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:55:20,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:55:20,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:55:20,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:55:20,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-11-07 00:55:20,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-11-07 00:55:20,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle [2021-11-07 00:55:20,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,968 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 00:55:20,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,968 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 00:55:20,969 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 00:55:20,975 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 00:55:20,975 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 00:55:20,975 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 00:55:20,976 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 00:55:20,976 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 00:55:20,979 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 00:55:20,980 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 00:55:20,983 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 00:55:20,983 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 00:55:20,983 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 00:55:20,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && !(client == 1bv32) [2021-11-07 00:55:20,987 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 00:55:20,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((tmp == 0bv32 && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((msg == 1bv32 && \result == 0bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 00:55:20,990 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 00:55:21,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:55:21,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:55:21,073 INFO L168 Benchmark]: Toolchain (without parser) took 35244.33 ms. Allocated memory was 60.8 MB in the beginning and 123.7 MB in the end (delta: 62.9 MB). Free memory was 37.6 MB in the beginning and 83.6 MB in the end (delta: -46.0 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,073 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:21,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.58 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.4 MB in the beginning and 40.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.76 ms. Allocated memory is still 77.6 MB. Free memory was 40.0 MB in the beginning and 56.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,075 INFO L168 Benchmark]: Boogie Preprocessor took 66.53 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,075 INFO L168 Benchmark]: RCFGBuilder took 3193.13 ms. Allocated memory is still 77.6 MB. Free memory was 53.3 MB in the beginning and 39.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,076 INFO L168 Benchmark]: TraceAbstraction took 30600.61 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 38.5 MB in the beginning and 31.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,076 INFO L168 Benchmark]: Witness Printer took 186.69 ms. Allocated memory is still 123.7 MB. Free memory was 31.7 MB in the beginning and 83.6 MB in the end (delta: -51.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:21,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1078.58 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.4 MB in the beginning and 40.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.76 ms. Allocated memory is still 77.6 MB. Free memory was 40.0 MB in the beginning and 56.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.53 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3193.13 ms. Allocated memory is still 77.6 MB. Free memory was 53.3 MB in the beginning and 39.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30600.61 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 38.5 MB in the beginning and 31.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 53.2 MB. Max. memory is 16.1 GB. * Witness Printer took 186.69 ms. Allocated memory is still 123.7 MB. Free memory was 31.7 MB in the beginning and 83.6 MB in the end (delta: -51.8 MB). Peak memory consumption was 4.8 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: 1029]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: 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, 118 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2502 SDtfs, 5352 SDslu, 3965 SDs, 0 SdLazy, 384 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1359 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3102 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=11, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1386 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 265 NumberOfFragments, 1424 HoareAnnotationTreeSize, 46 FomulaSimplifications, 2471453 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 46 FomulaSimplificationsInter, 8075 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350 SizeOfPredicates, 51 NumberOfNonLiveVariables, 6309 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 114/178 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: 319]: 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: 341]: 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: 1006]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 330]: 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: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 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) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 297]: 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: 973]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 275]: 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: 2540]: Loop Invariant Derived loop invariant: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((!(__ste_email_to0 == 1bv32) && \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: 1006]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1bv32 && \result == 1bv32) && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 286]: 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: 525]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 261]: 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: 543]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((tmp == 0bv32 && 2bv32 == __ste_email_to0) && 2bv32 == \result) && msg == 1bv32) && \result == 0bv32) && handle == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 308]: 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: 1965]: Loop Invariant Derived loop invariant: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1965]: Loop Invariant Derived loop invariant: ((((((msg == 1bv32 && \result == 0bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 352]: 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: 2522]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((((((((tmp == 1bv32 && \result == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2522]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2447]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && !(client == 1bv32) - InvariantResult [Line: 250]: 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: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: 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) RESULT: Ultimate proved your program to be correct! [2021-11-07 00:55:21,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af5e4c89-de6c-405d-b8c1-188a7910b56c/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