./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:58:05,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:58:05,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:58:05,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:58:05,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:58:05,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:58:05,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:58:05,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:58:05,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:58:05,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:58:05,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:58:05,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:58:05,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:58:05,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:58:05,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:58:05,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:58:05,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:58:05,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:58:05,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:58:05,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:58:05,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:58:05,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:58:05,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:58:05,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:58:05,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:58:05,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:58:05,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:58:05,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:58:05,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:58:05,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:58:05,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:58:05,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:58:05,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:58:05,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:58:05,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:58:05,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:58:05,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:58:05,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:58:05,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:58:05,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:58:05,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:58:05,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:58:06,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:58:06,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:58:06,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:58:06,040 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:58:06,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:58:06,041 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:58:06,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:58:06,041 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:58:06,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:58:06,042 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:58:06,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:58:06,044 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:58:06,044 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:58:06,044 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:58:06,045 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:58:06,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:58:06,046 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:58:06,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:58:06,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:58:06,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:58:06,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:58:06,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:58:06,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:58:06,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:58:06,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:58:06,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:58:06,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:58:06,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:58:06,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:58:06,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:58:06,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:58:06,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:58:06,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:58:06,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:58:06,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:58:06,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:58:06,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:58:06,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:58:06,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:58:06,055 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 [2021-10-24 09:58:06,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:58:06,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:58:06,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:58:06,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:58:06,473 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:58:06,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-10-24 09:58:06,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/f149670bb/feea988889994a0f9a4f65da879400f7/FLAG00e83398e [2021-10-24 09:58:07,447 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:58:07,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-10-24 09:58:07,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/f149670bb/feea988889994a0f9a4f65da879400f7/FLAG00e83398e [2021-10-24 09:58:07,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/f149670bb/feea988889994a0f9a4f65da879400f7 [2021-10-24 09:58:07,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:58:07,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:58:07,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:58:07,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:58:07,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:58:07,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:07" (1/1) ... [2021-10-24 09:58:07,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473d8b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:07, skipping insertion in model container [2021-10-24 09:58:07,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:07" (1/1) ... [2021-10-24 09:58:07,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:58:07,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:58:07,986 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-10-24 09:58:08,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:58:08,429 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) [2021-10-24 09:58:08,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e40ac82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:08, skipping insertion in model container [2021-10-24 09:58:08,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:58:08,431 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 09:58:08,434 INFO L168 Benchmark]: Toolchain (without parser) took 847.82 ms. Allocated memory is still 98.6 MB. Free memory was 59.7 MB in the beginning and 60.0 MB in the end (delta: -310.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:58:08,436 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 73.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:58:08,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.26 ms. Allocated memory is still 98.6 MB. Free memory was 59.5 MB in the beginning and 60.4 MB in the end (delta: -914.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 09:58:08,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 73.7 MB in the beginning and 73.6 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 844.26 ms. Allocated memory is still 98.6 MB. Free memory was 59.5 MB in the beginning and 60.4 MB in the end (delta: -914.9 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 174]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 09:58:11,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:58:11,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:58:11,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:58:11,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:58:11,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:58:11,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:58:11,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:58:11,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:58:11,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:58:11,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:58:11,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:58:11,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:58:11,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:58:11,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:58:11,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:58:11,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:58:11,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:58:11,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:58:11,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:58:11,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:58:11,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:58:11,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:58:11,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:58:11,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:58:11,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:58:11,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:58:11,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:58:11,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:58:11,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:58:11,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:58:11,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:58:11,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:58:11,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:58:11,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:58:11,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:58:11,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:58:11,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:58:11,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:58:11,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:58:11,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:58:11,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:58:11,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:58:11,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:58:11,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:58:11,416 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:58:11,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:58:11,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:58:11,417 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:58:11,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:58:11,418 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:58:11,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:58:11,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:58:11,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:58:11,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:58:11,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:58:11,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:58:11,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:58:11,423 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:58:11,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:58:11,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:58:11,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:58:11,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:58:11,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:58:11,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:58:11,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:58:11,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:58:11,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:58:11,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:58:11,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:58:11,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:58:11,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:58:11,427 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:58:11,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:11,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:58:11,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:58:11,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:58:11,428 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac360da941eb2bc713d1cdb41b6939d6a50ea394a41fda87a7330709a6b33058 [2021-10-24 09:58:11,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:58:11,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:58:11,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:58:11,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:58:11,921 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:58:11,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-10-24 09:58:12,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/3a3058d62/f45f631a20a144f6b4309fa29e2952bc/FLAG5050598bb [2021-10-24 09:58:12,882 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:58:12,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2021-10-24 09:58:12,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/3a3058d62/f45f631a20a144f6b4309fa29e2952bc/FLAG5050598bb [2021-10-24 09:58:13,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/data/3a3058d62/f45f631a20a144f6b4309fa29e2952bc [2021-10-24 09:58:13,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:58:13,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:58:13,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:58:13,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:58:13,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:58:13,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:13" (1/1) ... [2021-10-24 09:58:13,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127e2a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:13, skipping insertion in model container [2021-10-24 09:58:13,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:13" (1/1) ... [2021-10-24 09:58:13,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:58:13,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:58:13,425 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-10-24 09:58:13,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:58:13,857 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 09:58:13,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:58:13,889 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-10-24 09:58:14,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:58:14,099 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:58:14,128 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_a0505fff-b6df-4e7b-8e03-7cd47474c14c/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2021-10-24 09:58:14,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:58:14,257 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:58:14,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14 WrapperNode [2021-10-24 09:58:14,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:58:14,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:58:14,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:58:14,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:58:14,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:58:14,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:58:14,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:58:14,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:58:14,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:58:14,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:58:14,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:58:14,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:58:14,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (1/1) ... [2021-10-24 09:58:14,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:58:14,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:58:14,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:58:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:58:14,663 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-24 09:58:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:58:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:58:14,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:58:14,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:58:18,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:58:18,148 INFO L299 CfgBuilder]: Removed 155 assume(true) statements. [2021-10-24 09:58:18,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:18 BoogieIcfgContainer [2021-10-24 09:58:18,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:58:18,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:58:18,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:58:18,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:58:18,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:58:13" (1/3) ... [2021-10-24 09:58:18,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa6dd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:18, skipping insertion in model container [2021-10-24 09:58:18,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:14" (2/3) ... [2021-10-24 09:58:18,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa6dd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:18, skipping insertion in model container [2021-10-24 09:58:18,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:18" (3/3) ... [2021-10-24 09:58:18,162 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product10.cil.c [2021-10-24 09:58:18,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:58:18,169 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 09:58:18,235 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:58:18,243 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 [2021-10-24 09:58:18,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-24 09:58:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 159 states have (on average 1.6540880503144655) internal successors, (263), 161 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-24 09:58:18,282 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:18,283 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:18,284 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1170669752, now seen corresponding path program 1 times [2021-10-24 09:58:18,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:18,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1784994019] [2021-10-24 09:58:18,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:18,325 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:18,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:18,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:18,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:58:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:18,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:58:18,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:19,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:19,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:19,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1784994019] [2021-10-24 09:58:19,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1784994019] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:19,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:19,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:58:19,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573053749] [2021-10-24 09:58:19,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:58:19,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:19,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:58:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:58:19,207 INFO L87 Difference]: Start difference. First operand has 162 states, 159 states have (on average 1.6540880503144655) internal successors, (263), 161 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:19,245 INFO L93 Difference]: Finished difference Result 273 states and 434 transitions. [2021-10-24 09:58:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:58:19,247 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-10-24 09:58:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:19,259 INFO L225 Difference]: With dead ends: 273 [2021-10-24 09:58:19,259 INFO L226 Difference]: Without dead ends: 146 [2021-10-24 09:58:19,262 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:58:19,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-24 09:58:19,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-10-24 09:58:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 144 states have (on average 1.625) internal successors, (234), 145 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 234 transitions. [2021-10-24 09:58:19,338 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 234 transitions. Word has length 38 [2021-10-24 09:58:19,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:19,339 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 234 transitions. [2021-10-24 09:58:19,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 234 transitions. [2021-10-24 09:58:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-24 09:58:19,342 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:19,342 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:19,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:19,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:19,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:19,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:19,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1521803372, now seen corresponding path program 1 times [2021-10-24 09:58:19,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:19,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555194488] [2021-10-24 09:58:19,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:19,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:19,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:19,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:19,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:58:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:19,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:58:19,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:20,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:20,244 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:20,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555194488] [2021-10-24 09:58:20,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555194488] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:20,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:20,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:58:20,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010605928] [2021-10-24 09:58:20,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:58:20,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:20,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:58:20,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:20,256 INFO L87 Difference]: Start difference. First operand 146 states and 234 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:20,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:20,391 INFO L93 Difference]: Finished difference Result 412 states and 661 transitions. [2021-10-24 09:58:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:20,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-24 09:58:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:20,404 INFO L225 Difference]: With dead ends: 412 [2021-10-24 09:58:20,405 INFO L226 Difference]: Without dead ends: 277 [2021-10-24 09:58:20,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-24 09:58:20,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 145. [2021-10-24 09:58:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 143 states have (on average 1.6013986013986015) internal successors, (229), 144 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 229 transitions. [2021-10-24 09:58:20,464 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 229 transitions. Word has length 39 [2021-10-24 09:58:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:20,465 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 229 transitions. [2021-10-24 09:58:20,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 229 transitions. [2021-10-24 09:58:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-24 09:58:20,475 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:20,476 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:20,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:20,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:20,693 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:20,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:20,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1989218279, now seen corresponding path program 1 times [2021-10-24 09:58:20,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:20,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458019872] [2021-10-24 09:58:20,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:20,696 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:20,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:20,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:58:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:21,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:58:21,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:21,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:21,401 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:21,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458019872] [2021-10-24 09:58:21,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458019872] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:21,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:21,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:58:21,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850602638] [2021-10-24 09:58:21,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:58:21,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:58:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:21,407 INFO L87 Difference]: Start difference. First operand 145 states and 229 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:21,457 INFO L93 Difference]: Finished difference Result 283 states and 448 transitions. [2021-10-24 09:58:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:21,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-24 09:58:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:21,460 INFO L225 Difference]: With dead ends: 283 [2021-10-24 09:58:21,460 INFO L226 Difference]: Without dead ends: 146 [2021-10-24 09:58:21,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:21,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-24 09:58:21,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2021-10-24 09:58:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 143 states have (on average 1.5804195804195804) internal successors, (226), 144 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2021-10-24 09:58:21,493 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 41 [2021-10-24 09:58:21,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:21,494 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2021-10-24 09:58:21,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2021-10-24 09:58:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-24 09:58:21,502 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:21,502 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:21,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:21,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:21,722 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:21,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:21,722 INFO L82 PathProgramCache]: Analyzing trace with hash -559359774, now seen corresponding path program 1 times [2021-10-24 09:58:21,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:21,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994710398] [2021-10-24 09:58:21,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:21,724 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:21,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:21,725 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:21,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 09:58:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:22,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:58:22,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:22,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:22,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:22,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994710398] [2021-10-24 09:58:22,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994710398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:22,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:22,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:58:22,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792587756] [2021-10-24 09:58:22,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:58:22,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:58:22,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:22,380 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:22,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:22,427 INFO L93 Difference]: Finished difference Result 370 states and 581 transitions. [2021-10-24 09:58:22,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:22,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-24 09:58:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:22,431 INFO L225 Difference]: With dead ends: 370 [2021-10-24 09:58:22,431 INFO L226 Difference]: Without dead ends: 275 [2021-10-24 09:58:22,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-10-24 09:58:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 180. [2021-10-24 09:58:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 178 states have (on average 1.6235955056179776) internal successors, (289), 179 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions. [2021-10-24 09:58:22,451 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 42 [2021-10-24 09:58:22,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:22,451 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 289 transitions. [2021-10-24 09:58:22,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2021-10-24 09:58:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 09:58:22,453 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:22,454 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:22,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 09:58:22,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:22,670 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:22,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:22,671 INFO L82 PathProgramCache]: Analyzing trace with hash 358260290, now seen corresponding path program 1 times [2021-10-24 09:58:22,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:22,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39057739] [2021-10-24 09:58:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:22,673 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:22,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:22,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:22,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 09:58:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:23,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:58:23,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:23,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:23,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:23,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39057739] [2021-10-24 09:58:23,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39057739] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:23,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:23,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 09:58:23,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061586888] [2021-10-24 09:58:23,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:58:23,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:23,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:58:23,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:23,432 INFO L87 Difference]: Start difference. First operand 180 states and 289 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:23,493 INFO L93 Difference]: Finished difference Result 594 states and 964 transitions. [2021-10-24 09:58:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:23,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-24 09:58:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:23,498 INFO L225 Difference]: With dead ends: 594 [2021-10-24 09:58:23,498 INFO L226 Difference]: Without dead ends: 466 [2021-10-24 09:58:23,499 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 09:58:23,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-24 09:58:23,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 242. [2021-10-24 09:58:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 240 states have (on average 1.6833333333333333) internal successors, (404), 241 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:23,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 404 transitions. [2021-10-24 09:58:23,526 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 404 transitions. Word has length 52 [2021-10-24 09:58:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:23,527 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 404 transitions. [2021-10-24 09:58:23,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 404 transitions. [2021-10-24 09:58:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 09:58:23,528 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:23,528 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:23,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:23,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:23,743 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:23,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:23,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1312991971, now seen corresponding path program 1 times [2021-10-24 09:58:23,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:23,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825592492] [2021-10-24 09:58:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:23,746 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:23,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:23,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 09:58:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:58:24,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:24,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:24,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:24,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825592492] [2021-10-24 09:58:24,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825592492] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:24,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:24,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:58:24,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867364848] [2021-10-24 09:58:24,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:58:24,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:24,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:58:24,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:58:24,578 INFO L87 Difference]: Start difference. First operand 242 states and 404 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:24,631 INFO L93 Difference]: Finished difference Result 466 states and 755 transitions. [2021-10-24 09:58:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:58:24,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 09:58:24,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:24,634 INFO L225 Difference]: With dead ends: 466 [2021-10-24 09:58:24,635 INFO L226 Difference]: Without dead ends: 309 [2021-10-24 09:58:24,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:58:24,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-24 09:58:24,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 214. [2021-10-24 09:58:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.6415094339622642) internal successors, (348), 213 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 348 transitions. [2021-10-24 09:58:24,661 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 348 transitions. Word has length 54 [2021-10-24 09:58:24,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:24,661 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 348 transitions. [2021-10-24 09:58:24,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 348 transitions. [2021-10-24 09:58:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 09:58:24,663 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:24,663 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:24,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:24,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:24,879 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash 663544003, now seen corresponding path program 1 times [2021-10-24 09:58:24,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:24,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22479497] [2021-10-24 09:58:24,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:24,881 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:24,882 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 09:58:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:25,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:58:25,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:58:25,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:58:25,743 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:25,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22479497] [2021-10-24 09:58:25,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22479497] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:25,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:25,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:58:25,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892296669] [2021-10-24 09:58:25,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:58:25,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:25,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:58:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:58:25,745 INFO L87 Difference]: Start difference. First operand 214 states and 348 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:25,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:25,807 INFO L93 Difference]: Finished difference Result 550 states and 907 transitions. [2021-10-24 09:58:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:58:25,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 09:58:25,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:25,813 INFO L225 Difference]: With dead ends: 550 [2021-10-24 09:58:25,813 INFO L226 Difference]: Without dead ends: 366 [2021-10-24 09:58:25,814 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:58:25,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-24 09:58:25,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 271. [2021-10-24 09:58:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.6691449814126393) internal successors, (449), 270 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 449 transitions. [2021-10-24 09:58:25,858 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 449 transitions. Word has length 54 [2021-10-24 09:58:25,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:25,858 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 449 transitions. [2021-10-24 09:58:25,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 449 transitions. [2021-10-24 09:58:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-24 09:58:25,860 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:25,863 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:25,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:26,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:26,080 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:26,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:26,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2045513071, now seen corresponding path program 1 times [2021-10-24 09:58:26,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:26,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977135725] [2021-10-24 09:58:26,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:26,082 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:26,086 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 09:58:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:26,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:26,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:58:26,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:58:27,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:27,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977135725] [2021-10-24 09:58:27,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977135725] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:27,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:58:27,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 09:58:27,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181520191] [2021-10-24 09:58:27,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:58:27,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:58:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 09:58:27,102 INFO L87 Difference]: Start difference. First operand 271 states and 449 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:29,249 INFO L93 Difference]: Finished difference Result 639 states and 1062 transitions. [2021-10-24 09:58:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:29,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-24 09:58:29,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:29,254 INFO L225 Difference]: With dead ends: 639 [2021-10-24 09:58:29,254 INFO L226 Difference]: Without dead ends: 420 [2021-10-24 09:58:29,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 42.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 09:58:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-10-24 09:58:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 268. [2021-10-24 09:58:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 266 states have (on average 1.6428571428571428) internal successors, (437), 267 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 437 transitions. [2021-10-24 09:58:29,292 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 437 transitions. Word has length 55 [2021-10-24 09:58:29,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:29,293 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 437 transitions. [2021-10-24 09:58:29,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 437 transitions. [2021-10-24 09:58:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-24 09:58:29,294 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:29,295 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:29,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:29,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:29,522 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:29,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:29,523 INFO L82 PathProgramCache]: Analyzing trace with hash -626013561, now seen corresponding path program 1 times [2021-10-24 09:58:29,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:29,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691186690] [2021-10-24 09:58:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:29,524 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:29,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:29,526 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:29,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 09:58:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:30,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:30,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:30,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:30,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:30,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691186690] [2021-10-24 09:58:30,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691186690] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:58:30,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [911207918] [2021-10-24 09:58:30,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:30,565 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:58:30,570 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:58:30,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-24 09:58:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:31,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-24 09:58:31,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:31,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:32,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [911207918] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:32,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:58:32,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-24 09:58:32,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660544535] [2021-10-24 09:58:32,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-24 09:58:32,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:32,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-24 09:58:32,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-24 09:58:32,008 INFO L87 Difference]: Start difference. First operand 268 states and 437 transitions. Second operand has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:40,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:40,046 INFO L93 Difference]: Finished difference Result 1840 states and 2724 transitions. [2021-10-24 09:58:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-24 09:58:40,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-24 09:58:40,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:40,061 INFO L225 Difference]: With dead ends: 1840 [2021-10-24 09:58:40,061 INFO L226 Difference]: Without dead ends: 1766 [2021-10-24 09:58:40,065 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 2887.3ms TimeCoverageRelationStatistics Valid=1702, Invalid=6130, Unknown=0, NotChecked=0, Total=7832 [2021-10-24 09:58:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2021-10-24 09:58:40,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 345. [2021-10-24 09:58:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 343 states have (on average 1.597667638483965) internal successors, (548), 344 states have internal predecessors, (548), 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) [2021-10-24 09:58:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 548 transitions. [2021-10-24 09:58:40,150 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 548 transitions. Word has length 55 [2021-10-24 09:58:40,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:40,151 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 548 transitions. [2021-10-24 09:58:40,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 548 transitions. [2021-10-24 09:58:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 09:58:40,153 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:40,153 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:40,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:40,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:40,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:40,571 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1977535086, now seen corresponding path program 1 times [2021-10-24 09:58:40,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:40,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685484515] [2021-10-24 09:58:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:40,573 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:40,588 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:40,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 09:58:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:41,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:41,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:41,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:41,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:41,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:41,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685484515] [2021-10-24 09:58:41,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685484515] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:58:41,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1218085577] [2021-10-24 09:58:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:41,469 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:41,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:58:41,471 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:58:41,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 09:58:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:42,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-24 09:58:42,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:42,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:42,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1218085577] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:42,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:58:42,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-10-24 09:58:42,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615031509] [2021-10-24 09:58:42,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-24 09:58:42,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-24 09:58:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-24 09:58:42,898 INFO L87 Difference]: Start difference. First operand 345 states and 548 transitions. Second operand has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:51,136 INFO L93 Difference]: Finished difference Result 2274 states and 3293 transitions. [2021-10-24 09:58:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-10-24 09:58:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 09:58:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:51,152 INFO L225 Difference]: With dead ends: 2274 [2021-10-24 09:58:51,153 INFO L226 Difference]: Without dead ends: 2172 [2021-10-24 09:58:51,158 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3137 ImplicationChecksByTransitivity, 2919.8ms TimeCoverageRelationStatistics Valid=2353, Invalid=8359, Unknown=0, NotChecked=0, Total=10712 [2021-10-24 09:58:51,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-10-24 09:58:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 453. [2021-10-24 09:58:51,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.5698447893569845) internal successors, (708), 452 states have internal predecessors, (708), 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) [2021-10-24 09:58:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 708 transitions. [2021-10-24 09:58:51,258 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 708 transitions. Word has length 56 [2021-10-24 09:58:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:51,259 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 708 transitions. [2021-10-24 09:58:51,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.6875) internal successors, (91), 16 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 708 transitions. [2021-10-24 09:58:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-24 09:58:51,260 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:51,261 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:51,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:51,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:51,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:51,674 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:51,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1899401231, now seen corresponding path program 1 times [2021-10-24 09:58:51,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:51,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417929194] [2021-10-24 09:58:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:51,675 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:51,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:51,676 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:51,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 09:58:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:52,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:52,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:52,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:52,571 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:52,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417929194] [2021-10-24 09:58:52,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417929194] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:58:52,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [917092245] [2021-10-24 09:58:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:52,571 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:52,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:58:52,573 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:58:52,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 09:58:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:53,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-24 09:58:53,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:53,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:53,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [917092245] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:53,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:58:53,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-10-24 09:58:53,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920984423] [2021-10-24 09:58:53,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 09:58:53,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:53,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 09:58:53,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-24 09:58:53,608 INFO L87 Difference]: Start difference. First operand 453 states and 708 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:53,833 INFO L93 Difference]: Finished difference Result 713 states and 1086 transitions. [2021-10-24 09:58:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 09:58:53,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-24 09:58:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:53,842 INFO L225 Difference]: With dead ends: 713 [2021-10-24 09:58:53,842 INFO L226 Difference]: Without dead ends: 481 [2021-10-24 09:58:53,843 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 148.5ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-10-24 09:58:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2021-10-24 09:58:53,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 398. [2021-10-24 09:58:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 396 states have (on average 1.5681818181818181) internal successors, (621), 397 states have internal predecessors, (621), 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) [2021-10-24 09:58:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 621 transitions. [2021-10-24 09:58:53,922 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 621 transitions. Word has length 56 [2021-10-24 09:58:53,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:53,924 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 621 transitions. [2021-10-24 09:58:53,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 621 transitions. [2021-10-24 09:58:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-24 09:58:53,925 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:53,925 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:53,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:54,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-24 09:58:54,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:54,344 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:54,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:54,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1757108711, now seen corresponding path program 1 times [2021-10-24 09:58:54,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:54,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132984721] [2021-10-24 09:58:54,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:54,345 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:54,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:54,347 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 09:58:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:54,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:54,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:55,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:55,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:55,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132984721] [2021-10-24 09:58:55,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132984721] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:58:55,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [979770195] [2021-10-24 09:58:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:55,340 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:58:55,341 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:58:55,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-24 09:58:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:56,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 09:58:56,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:56,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:56,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [979770195] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:56,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:58:56,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-10-24 09:58:56,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735850510] [2021-10-24 09:58:56,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 09:58:56,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:56,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 09:58:56,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-24 09:58:56,548 INFO L87 Difference]: Start difference. First operand 398 states and 621 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:56,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:56,828 INFO L93 Difference]: Finished difference Result 1081 states and 1657 transitions. [2021-10-24 09:58:56,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 09:58:56,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-24 09:58:56,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:56,835 INFO L225 Difference]: With dead ends: 1081 [2021-10-24 09:58:56,835 INFO L226 Difference]: Without dead ends: 910 [2021-10-24 09:58:56,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 148.1ms TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-24 09:58:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2021-10-24 09:58:56,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 708. [2021-10-24 09:58:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 706 states have (on average 1.5722379603399435) internal successors, (1110), 707 states have internal predecessors, (1110), 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) [2021-10-24 09:58:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1110 transitions. [2021-10-24 09:58:56,935 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1110 transitions. Word has length 57 [2021-10-24 09:58:56,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:56,935 INFO L470 AbstractCegarLoop]: Abstraction has 708 states and 1110 transitions. [2021-10-24 09:58:56,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1110 transitions. [2021-10-24 09:58:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 09:58:56,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:56,938 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:56,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-10-24 09:58:57,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-10-24 09:58:57,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:58:57,342 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:58:57,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:58:57,343 INFO L82 PathProgramCache]: Analyzing trace with hash -949174019, now seen corresponding path program 1 times [2021-10-24 09:58:57,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:58:57,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64664026] [2021-10-24 09:58:57,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:57,344 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:58:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:58:57,347 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:58:57,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 09:58:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:57,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:57,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:58,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:58:58,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:58:58,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64664026] [2021-10-24 09:58:58,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64664026] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:58:58,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [911481748] [2021-10-24 09:58:58,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:58:58,344 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:58:58,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:58:58,344 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:58:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-24 09:58:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:58:59,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:58:59,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:58:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:59,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:58:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:58:59,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [911481748] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:58:59,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:58:59,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-10-24 09:58:59,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266702247] [2021-10-24 09:58:59,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 09:58:59,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:58:59,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 09:58:59,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-24 09:58:59,530 INFO L87 Difference]: Start difference. First operand 708 states and 1110 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:58:59,729 INFO L93 Difference]: Finished difference Result 974 states and 1486 transitions. [2021-10-24 09:58:59,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 09:58:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-24 09:58:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:58:59,736 INFO L225 Difference]: With dead ends: 974 [2021-10-24 09:58:59,736 INFO L226 Difference]: Without dead ends: 690 [2021-10-24 09:58:59,738 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 70.7ms TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-24 09:58:59,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-10-24 09:58:59,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 547. [2021-10-24 09:58:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 545 states have (on average 1.5908256880733944) internal successors, (867), 546 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 867 transitions. [2021-10-24 09:58:59,845 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 867 transitions. Word has length 58 [2021-10-24 09:58:59,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:58:59,845 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 867 transitions. [2021-10-24 09:58:59,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:58:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 867 transitions. [2021-10-24 09:58:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 09:58:59,848 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:58:59,848 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:58:59,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-10-24 09:59:00,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-10-24 09:59:00,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 09:59:00,274 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:59:00,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash 596644252, now seen corresponding path program 1 times [2021-10-24 09:59:00,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:00,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381953802] [2021-10-24 09:59:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:00,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:00,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:00,277 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:00,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-24 09:59:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:01,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:01,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:01,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:01,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:01,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381953802] [2021-10-24 09:59:01,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381953802] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:01,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:01,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:59:01,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140261419] [2021-10-24 09:59:01,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:59:01,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:59:01,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:01,342 INFO L87 Difference]: Start difference. First operand 547 states and 867 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:01,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:01,526 INFO L93 Difference]: Finished difference Result 1544 states and 2465 transitions. [2021-10-24 09:59:01,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-24 09:59:01,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:01,534 INFO L225 Difference]: With dead ends: 1544 [2021-10-24 09:59:01,535 INFO L226 Difference]: Without dead ends: 1030 [2021-10-24 09:59:01,536 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:01,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2021-10-24 09:59:01,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 777. [2021-10-24 09:59:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 775 states have (on average 1.6361290322580646) internal successors, (1268), 776 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1268 transitions. [2021-10-24 09:59:01,677 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1268 transitions. Word has length 63 [2021-10-24 09:59:01,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:01,677 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 1268 transitions. [2021-10-24 09:59:01,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1268 transitions. [2021-10-24 09:59:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-24 09:59:01,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:01,680 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:59:01,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:01,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:01,895 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:59:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:01,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1480771081, now seen corresponding path program 1 times [2021-10-24 09:59:01,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:01,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572943588] [2021-10-24 09:59:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:01,896 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:01,898 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:01,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-24 09:59:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:02,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:02,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:02,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:02,937 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:02,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572943588] [2021-10-24 09:59:02,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572943588] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:02,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:02,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:59:02,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494845386] [2021-10-24 09:59:02,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:59:02,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:59:02,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:02,940 INFO L87 Difference]: Start difference. First operand 777 states and 1268 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:03,152 INFO L93 Difference]: Finished difference Result 2220 states and 3646 transitions. [2021-10-24 09:59:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:03,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-10-24 09:59:03,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:03,164 INFO L225 Difference]: With dead ends: 2220 [2021-10-24 09:59:03,164 INFO L226 Difference]: Without dead ends: 1480 [2021-10-24 09:59:03,166 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2021-10-24 09:59:03,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1227. [2021-10-24 09:59:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1225 states have (on average 1.6693877551020408) internal successors, (2045), 1226 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2045 transitions. [2021-10-24 09:59:03,360 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2045 transitions. Word has length 64 [2021-10-24 09:59:03,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:03,360 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 2045 transitions. [2021-10-24 09:59:03,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:03,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2045 transitions. [2021-10-24 09:59:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-24 09:59:03,375 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:03,376 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:59:03,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:03,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:03,582 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:59:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:03,583 INFO L82 PathProgramCache]: Analyzing trace with hash -246111330, now seen corresponding path program 1 times [2021-10-24 09:59:03,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:03,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910024697] [2021-10-24 09:59:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:03,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:03,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:03,584 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:03,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-24 09:59:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:04,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 09:59:04,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:04,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 09:59:04,571 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:04,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910024697] [2021-10-24 09:59:04,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910024697] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:04,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:59:04,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 09:59:04,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220987420] [2021-10-24 09:59:04,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 09:59:04,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:04,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 09:59:04,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:04,573 INFO L87 Difference]: Start difference. First operand 1227 states and 2045 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:04,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:04,842 INFO L93 Difference]: Finished difference Result 3548 states and 5939 transitions. [2021-10-24 09:59:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 09:59:04,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-10-24 09:59:04,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:04,861 INFO L225 Difference]: With dead ends: 3548 [2021-10-24 09:59:04,862 INFO L226 Difference]: Without dead ends: 2362 [2021-10-24 09:59:04,864 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 09:59:04,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-10-24 09:59:05,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2109. [2021-10-24 09:59:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2107 states have (on average 1.684859990507831) internal successors, (3550), 2108 states have internal predecessors, (3550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 3550 transitions. [2021-10-24 09:59:05,151 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 3550 transitions. Word has length 65 [2021-10-24 09:59:05,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:05,152 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 3550 transitions. [2021-10-24 09:59:05,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 3550 transitions. [2021-10-24 09:59:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-24 09:59:05,158 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:59:05,159 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:59:05,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:05,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:05,374 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:59:05,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:59:05,375 INFO L82 PathProgramCache]: Analyzing trace with hash 283992071, now seen corresponding path program 1 times [2021-10-24 09:59:05,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:59:05,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040680722] [2021-10-24 09:59:05,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:05,376 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:59:05,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:59:05,377 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:59:05,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-24 09:59:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:06,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 09:59:06,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:06,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:59:06,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:59:06,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040680722] [2021-10-24 09:59:06,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040680722] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 09:59:06,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [694798323] [2021-10-24 09:59:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:59:06,671 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 09:59:06,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 09:59:06,672 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 09:59:06,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-10-24 09:59:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:59:07,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 09:59:07,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:59:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:59:07,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:59:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 09:59:08,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [694798323] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:59:08,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 09:59:08,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-10-24 09:59:08,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289435895] [2021-10-24 09:59:08,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 09:59:08,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:59:08,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 09:59:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-24 09:59:08,129 INFO L87 Difference]: Start difference. First operand 2109 states and 3550 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:08,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:59:08,390 INFO L93 Difference]: Finished difference Result 2188 states and 3666 transitions. [2021-10-24 09:59:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 09:59:08,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-24 09:59:08,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:59:08,391 INFO L225 Difference]: With dead ends: 2188 [2021-10-24 09:59:08,391 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 09:59:08,394 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 136.0ms TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-10-24 09:59:08,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 09:59:08,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 09:59:08,395 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) [2021-10-24 09:59:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 09:59:08,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-10-24 09:59:08,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:59:08,396 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 09:59:08,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:59:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 09:59:08,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 09:59:08,399 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:59:08,400 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:59:08,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2021-10-24 09:59:08,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-10-24 09:59:08,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:59:08,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 09:59:08,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:09,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:09,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:09,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:10,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:10,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:10,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:10,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:10,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:11,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:12,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:12,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:12,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:13,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:13,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:14,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:15,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:16,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:17,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:18,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:18,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:18,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:18,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:18,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 09:59:36,195 INFO L857 garLoopResultBuilder]: For program point L828(lines 828 835) no Hoare annotation was computed. [2021-10-24 09:59:36,196 INFO L860 garLoopResultBuilder]: At program point L828-1(lines 828 835) the Hoare annotation is: true [2021-10-24 09:59:36,196 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2021-10-24 09:59:36,196 INFO L853 garLoopResultBuilder]: At program point L663(lines 658 666) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,196 INFO L853 garLoopResultBuilder]: At program point L1489(lines 1464 1491) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,197 INFO L860 garLoopResultBuilder]: At program point L1489-1(lines 1464 1491) the Hoare annotation is: true [2021-10-24 09:59:36,197 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 141) no Hoare annotation was computed. [2021-10-24 09:59:36,197 INFO L857 garLoopResultBuilder]: For program point L2084(lines 2084 2090) no Hoare annotation was computed. [2021-10-24 09:59:36,197 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 141) no Hoare annotation was computed. [2021-10-24 09:59:36,197 INFO L857 garLoopResultBuilder]: For program point L2084-1(lines 2084 2090) no Hoare annotation was computed. [2021-10-24 09:59:36,197 INFO L857 garLoopResultBuilder]: For program point L1424(lines 1424 1428) no Hoare annotation was computed. [2021-10-24 09:59:36,198 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1395) no Hoare annotation was computed. [2021-10-24 09:59:36,198 INFO L853 garLoopResultBuilder]: At program point L1325(lines 1315 1452) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,198 INFO L853 garLoopResultBuilder]: At program point L103(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-24 09:59:36,198 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 999) no Hoare annotation was computed. [2021-10-24 09:59:36,199 INFO L853 garLoopResultBuilder]: At program point L995-2(lines 988 1003) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,199 INFO L857 garLoopResultBuilder]: For program point L995-3(lines 995 999) no Hoare annotation was computed. [2021-10-24 09:59:36,199 INFO L853 garLoopResultBuilder]: At program point L995-5(lines 988 1003) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_incoming_~client)) (.cse1 (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse5 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-24 09:59:36,199 INFO L857 garLoopResultBuilder]: For program point L995-6(lines 995 999) no Hoare annotation was computed. [2021-10-24 09:59:36,200 INFO L853 garLoopResultBuilder]: At program point L995-8(lines 988 1003) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,200 INFO L857 garLoopResultBuilder]: For program point L995-9(lines 995 999) no Hoare annotation was computed. [2021-10-24 09:59:36,200 INFO L853 garLoopResultBuilder]: At program point L995-11(lines 988 1003) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,200 INFO L857 garLoopResultBuilder]: For program point L995-12(lines 995 999) no Hoare annotation was computed. [2021-10-24 09:59:36,200 INFO L853 garLoopResultBuilder]: At program point L995-14(lines 988 1003) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,201 INFO L857 garLoopResultBuilder]: For program point L2515-1(lines 2515 2526) no Hoare annotation was computed. [2021-10-24 09:59:36,201 INFO L857 garLoopResultBuilder]: For program point L2515(lines 2515 2526) no Hoare annotation was computed. [2021-10-24 09:59:36,201 INFO L857 garLoopResultBuilder]: For program point L2582(lines 2582 2594) no Hoare annotation was computed. [2021-10-24 09:59:36,201 INFO L857 garLoopResultBuilder]: For program point L2582-2(lines 2582 2594) no Hoare annotation was computed. [2021-10-24 09:59:36,201 INFO L857 garLoopResultBuilder]: For program point L2582-4(lines 2582 2594) no Hoare annotation was computed. [2021-10-24 09:59:36,202 INFO L853 garLoopResultBuilder]: At program point L568(lines 1 2597) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv2 32)) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,202 INFO L853 garLoopResultBuilder]: At program point L568-1(lines 1 2597) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv2 32)) .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))))) [2021-10-24 09:59:36,202 INFO L853 garLoopResultBuilder]: At program point L1361(lines 1351 1449) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,202 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 910) no Hoare annotation was computed. [2021-10-24 09:59:36,203 INFO L857 garLoopResultBuilder]: For program point L899-1(lines 899 910) no Hoare annotation was computed. [2021-10-24 09:59:36,203 INFO L853 garLoopResultBuilder]: At program point L2089-1(lines 2072 2095) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,203 INFO L853 garLoopResultBuilder]: At program point L2089(lines 2072 2095) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,203 INFO L857 garLoopResultBuilder]: For program point L2585(lines 2585 2593) no Hoare annotation was computed. [2021-10-24 09:59:36,204 INFO L857 garLoopResultBuilder]: For program point L2519-1(lines 2519 2525) no Hoare annotation was computed. [2021-10-24 09:59:36,204 INFO L857 garLoopResultBuilder]: For program point L2585-2(lines 2585 2593) no Hoare annotation was computed. [2021-10-24 09:59:36,204 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2525) no Hoare annotation was computed. [2021-10-24 09:59:36,204 INFO L857 garLoopResultBuilder]: For program point L2585-4(lines 2585 2593) no Hoare annotation was computed. [2021-10-24 09:59:36,204 INFO L857 garLoopResultBuilder]: For program point L1330(lines 1330 1337) no Hoare annotation was computed. [2021-10-24 09:59:36,205 INFO L853 garLoopResultBuilder]: At program point L1430(lines 1420 1443) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,205 INFO L853 garLoopResultBuilder]: At program point L1397(lines 1387 1446) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,205 INFO L860 garLoopResultBuilder]: At program point L836(lines 818 838) the Hoare annotation is: true [2021-10-24 09:59:36,205 INFO L853 garLoopResultBuilder]: At program point L1497(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,205 INFO L853 garLoopResultBuilder]: At program point L1497-1(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,205 INFO L853 garLoopResultBuilder]: At program point L1497-2(lines 1492 1500) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,205 INFO L860 garLoopResultBuilder]: At program point L1497-3(lines 1492 1500) the Hoare annotation is: true [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 947) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 909) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L936-1(lines 936 947) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 947) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L903-1(lines 903 909) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L936-3(lines 936 947) no Hoare annotation was computed. [2021-10-24 09:59:36,206 INFO L853 garLoopResultBuilder]: At program point L672(lines 667 675) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,206 INFO L857 garLoopResultBuilder]: For program point L2588(lines 2588 2592) no Hoare annotation was computed. [2021-10-24 09:59:36,207 INFO L853 garLoopResultBuilder]: At program point L2588-2(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-24 09:59:36,207 INFO L857 garLoopResultBuilder]: For program point L2588-3(lines 2588 2592) no Hoare annotation was computed. [2021-10-24 09:59:36,207 INFO L857 garLoopResultBuilder]: For program point L2588-6(lines 2588 2592) no Hoare annotation was computed. [2021-10-24 09:59:36,207 INFO L853 garLoopResultBuilder]: At program point L2588-5(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-10-24 09:59:36,208 INFO L857 garLoopResultBuilder]: For program point L1366(lines 1366 1370) no Hoare annotation was computed. [2021-10-24 09:59:36,208 INFO L853 garLoopResultBuilder]: At program point L2588-8(lines 1 2597) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,208 INFO L853 garLoopResultBuilder]: At program point L111(lines 106 114) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (not (= (_ bv1 32) ~rjh~0))) [2021-10-24 09:59:36,208 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-10-24 09:59:36,208 INFO L853 garLoopResultBuilder]: At program point L2524(lines 2507 2530) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= (_ bv2 32) ~__ste_email_to0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-24 09:59:36,209 INFO L853 garLoopResultBuilder]: At program point L2524-1(lines 2507 2530) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,209 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 616) no Hoare annotation was computed. [2021-10-24 09:59:36,209 INFO L853 garLoopResultBuilder]: At program point L609-1(lines 1 2597) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,209 INFO L857 garLoopResultBuilder]: For program point L2558(lines 2558 2574) no Hoare annotation was computed. [2021-10-24 09:59:36,209 INFO L857 garLoopResultBuilder]: For program point L609-2(lines 609 616) no Hoare annotation was computed. [2021-10-24 09:59:36,210 INFO L857 garLoopResultBuilder]: For program point L2558-1(lines 2558 2574) no Hoare annotation was computed. [2021-10-24 09:59:36,210 INFO L857 garLoopResultBuilder]: For program point L1435(lines 1435 1439) no Hoare annotation was computed. [2021-10-24 09:59:36,210 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1406) no Hoare annotation was computed. [2021-10-24 09:59:36,210 INFO L853 garLoopResultBuilder]: At program point L1435-1(lines 1307 1453) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,210 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-10-24 09:59:36,210 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L973-1(lines 973 984) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L973-2(lines 973 984) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L973-3(lines 973 984) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L857 garLoopResultBuilder]: For program point L940-3(lines 940 946) no Hoare annotation was computed. [2021-10-24 09:59:36,211 INFO L853 garLoopResultBuilder]: At program point L908(lines 895 913) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,211 INFO L860 garLoopResultBuilder]: At program point L908-1(lines 895 913) the Hoare annotation is: true [2021-10-24 09:59:36,212 INFO L853 garLoopResultBuilder]: At program point L1372(lines 1362 1448) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,212 INFO L853 garLoopResultBuilder]: At program point L1339(lines 1326 1451) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L2562(lines 2562 2573) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L2562-1(lines 2562 2573) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L2100(lines 2100 2112) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 977 983) no Hoare annotation was computed. [2021-10-24 09:59:36,212 INFO L857 garLoopResultBuilder]: For program point L977-3(lines 977 983) no Hoare annotation was computed. [2021-10-24 09:59:36,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 09:59:36,213 INFO L857 garLoopResultBuilder]: For program point L1308(lines 1307 1453) no Hoare annotation was computed. [2021-10-24 09:59:36,213 INFO L853 garLoopResultBuilder]: At program point L945(lines 932 950) the Hoare annotation is: (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,213 INFO L853 garLoopResultBuilder]: At program point L945-1(lines 932 950) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,213 INFO L853 garLoopResultBuilder]: At program point L945-2(lines 932 950) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,213 INFO L860 garLoopResultBuilder]: At program point L945-3(lines 932 950) the Hoare annotation is: true [2021-10-24 09:59:36,213 INFO L853 garLoopResultBuilder]: At program point L681(lines 676 684) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,213 INFO L853 garLoopResultBuilder]: At program point L1408(lines 1398 1445) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,214 INFO L857 garLoopResultBuilder]: For program point L1309(lines 1309 1313) no Hoare annotation was computed. [2021-10-24 09:59:36,214 INFO L857 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-10-24 09:59:36,214 INFO L857 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2021-10-24 09:59:36,214 INFO L853 garLoopResultBuilder]: At program point L121(lines 127 144) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,214 INFO L860 garLoopResultBuilder]: At program point L121-1(lines 127 144) the Hoare annotation is: true [2021-10-24 09:59:36,214 INFO L857 garLoopResultBuilder]: For program point L2103(lines 2103 2111) no Hoare annotation was computed. [2021-10-24 09:59:36,215 INFO L853 garLoopResultBuilder]: At program point L815(lines 795 817) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,215 INFO L857 garLoopResultBuilder]: For program point L2566(lines 2566 2572) no Hoare annotation was computed. [2021-10-24 09:59:36,215 INFO L857 garLoopResultBuilder]: For program point L2566-1(lines 2566 2572) no Hoare annotation was computed. [2021-10-24 09:59:36,215 INFO L857 garLoopResultBuilder]: For program point L1377(lines 1377 1384) no Hoare annotation was computed. [2021-10-24 09:59:36,215 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1348) no Hoare annotation was computed. [2021-10-24 09:59:36,215 INFO L853 garLoopResultBuilder]: At program point L982(lines 969 987) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,216 INFO L853 garLoopResultBuilder]: At program point L982-1(lines 969 987) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~0 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,216 INFO L853 garLoopResultBuilder]: At program point L982-2(lines 969 987) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_incoming_~fwreceiver~0 (_ bv0 32)) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,216 INFO L860 garLoopResultBuilder]: At program point L982-3(lines 969 987) the Hoare annotation is: true [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point L2535(lines 2535 2547) no Hoare annotation was computed. [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point L2106(lines 2106 2110) no Hoare annotation was computed. [2021-10-24 09:59:36,216 INFO L853 garLoopResultBuilder]: At program point L2106-2(lines 1 2597) the Hoare annotation is: (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1417) no Hoare annotation was computed. [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1452) no Hoare annotation was computed. [2021-10-24 09:59:36,216 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-10-24 09:59:36,217 INFO L853 garLoopResultBuilder]: At program point L589-1(lines 581 598) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_incoming_~client)) (.cse1 (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse5 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse8 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse9 (= (_ bv2 32) ~rjh~0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (= (_ bv2 32) ~__ste_email_to0~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-24 09:59:36,217 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2546) no Hoare annotation was computed. [2021-10-24 09:59:36,217 INFO L853 garLoopResultBuilder]: At program point L2571-1(lines 2554 2577) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,217 INFO L857 garLoopResultBuilder]: For program point L589-2(lines 589 595) no Hoare annotation was computed. [2021-10-24 09:59:36,217 INFO L853 garLoopResultBuilder]: At program point L2571(lines 2554 2577) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,217 INFO L853 garLoopResultBuilder]: At program point L589-3(lines 581 598) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse1 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse2 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse3 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse4 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ULTIMATE.start_incoming_~client) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= (_ bv0 32) ~__ste_client_forwardReceiver1~0) .cse0 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_getClientForwardReceiver_#res| (_ bv0 32))) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-24 09:59:36,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 09:59:36,217 INFO L857 garLoopResultBuilder]: For program point L2076(lines 2076 2092) no Hoare annotation was computed. [2021-10-24 09:59:36,217 INFO L857 garLoopResultBuilder]: For program point L2076-1(lines 2076 2092) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L853 garLoopResultBuilder]: At program point L1350(lines 1340 1450) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L955(lines 955 963) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L955-2(lines 955 963) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L955-4(lines 955 963) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L2541(lines 2541 2545) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L853 garLoopResultBuilder]: At program point L2541-2(lines 1 2597) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1323) no Hoare annotation was computed. [2021-10-24 09:59:36,218 INFO L853 garLoopResultBuilder]: At program point L1419(lines 1409 1444) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,218 INFO L853 garLoopResultBuilder]: At program point L1386(lines 1373 1447) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-10-24 09:59:36,218 INFO L857 garLoopResultBuilder]: For program point L2080(lines 2080 2091) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L2080-1(lines 2080 2091) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 962) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L853 garLoopResultBuilder]: At program point L958-2(lines 951 966) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L958-3(lines 958 962) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L853 garLoopResultBuilder]: At program point L958-5(lines 951 966) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L958-6(lines 958 962) no Hoare annotation was computed. [2021-10-24 09:59:36,219 INFO L853 garLoopResultBuilder]: At program point L958-8(lines 951 966) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,219 INFO L857 garLoopResultBuilder]: For program point L2511-1(lines 2511 2527) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L853 garLoopResultBuilder]: At program point L1454(lines 1306 1455) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L2511(lines 2511 2527) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L1355(lines 1355 1359) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L992(lines 992 1000) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L992-2(lines 992 1000) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L992-4(lines 992 1000) no Hoare annotation was computed. [2021-10-24 09:59:36,220 INFO L857 garLoopResultBuilder]: For program point L992-6(lines 992 1000) no Hoare annotation was computed. [2021-10-24 09:59:36,221 INFO L857 garLoopResultBuilder]: For program point L992-8(lines 992 1000) no Hoare annotation was computed. [2021-10-24 09:59:36,221 INFO L853 garLoopResultBuilder]: At program point L1521(lines 1510 1524) the Hoare annotation is: (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_setEmailTo_~handle (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-10-24 09:59:36,225 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:59:36,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:59:36 BoogieIcfgContainer [2021-10-24 09:59:36,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:59:36,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:59:36,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:59:36,322 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:59:36,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:18" (3/4) ... [2021-10-24 09:59:36,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 09:59:36,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2021-10-24 09:59:36,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-10-24 09:59:36,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 09:59:36,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-24 09:59:36,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:59:36,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 09:59:36,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-24 09:59:36,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) [2021-10-24 09:59:36,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle [2021-10-24 09:59:36,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,432 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) [2021-10-24 09:59:36,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,433 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) [2021-10-24 09:59:36,433 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) [2021-10-24 09:59:36,433 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) [2021-10-24 09:59:36,433 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) [2021-10-24 09:59:36,434 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) [2021-10-24 09:59:36,434 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) [2021-10-24 09:59:36,434 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) [2021-10-24 09:59:36,440 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) [2021-10-24 09:59:36,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,441 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) [2021-10-24 09:59:36,446 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) [2021-10-24 09:59:36,447 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) [2021-10-24 09:59:36,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh [2021-10-24 09:59:36,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) && \result == 0bv32) [2021-10-24 09:59:36,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-10-24 09:59:36,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-10-24 09:59:36,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:59:36,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:59:36,587 INFO L168 Benchmark]: Toolchain (without parser) took 83556.15 ms. Allocated memory was 65.0 MB in the beginning and 488.6 MB in the end (delta: 423.6 MB). Free memory was 43.4 MB in the beginning and 398.5 MB in the end (delta: -355.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,587 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:59:36,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1228.54 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 43.2 MB in the beginning and 52.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.22 ms. Allocated memory is still 90.2 MB. Free memory was 52.1 MB in the beginning and 46.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,590 INFO L168 Benchmark]: Boogie Preprocessor took 117.60 ms. Allocated memory is still 90.2 MB. Free memory was 46.7 MB in the beginning and 43.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,590 INFO L168 Benchmark]: RCFGBuilder took 3599.10 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 52.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,591 INFO L168 Benchmark]: TraceAbstraction took 78166.89 ms. Allocated memory was 90.2 MB in the beginning and 488.6 MB in the end (delta: 398.5 MB). Free memory was 52.2 MB in the beginning and 416.3 MB in the end (delta: -364.1 MB). Peak memory consumption was 301.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,591 INFO L168 Benchmark]: Witness Printer took 263.45 ms. Allocated memory is still 488.6 MB. Free memory was 416.3 MB in the beginning and 398.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:59:36,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory is still 47.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1228.54 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 43.2 MB in the beginning and 52.1 MB in the end (delta: -8.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 160.22 ms. Allocated memory is still 90.2 MB. Free memory was 52.1 MB in the beginning and 46.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.60 ms. Allocated memory is still 90.2 MB. Free memory was 46.7 MB in the beginning and 43.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3599.10 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 52.8 MB in the end (delta: 18.6 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 78166.89 ms. Allocated memory was 90.2 MB in the beginning and 488.6 MB in the end (delta: 398.5 MB). Free memory was 52.2 MB in the beginning and 416.3 MB in the end (delta: -364.1 MB). Peak memory consumption was 301.8 MB. Max. memory is 16.1 GB. * Witness Printer took 263.45 ms. Allocated memory is still 488.6 MB. Free memory was 416.3 MB in the beginning and 398.5 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 120]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 120]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 162 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 77991.1ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 72.8ms, AutomataDifference: 20732.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 27388.6ms, InitialAbstractionConstructionTime: 16.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4956 SDtfs, 13012 SDslu, 12731 SDs, 0 SdLazy, 1284 SolverSat, 199 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 11889.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2642 GetRequests, 2386 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5352 ImplicationChecksByTransitivity, 6409.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=16, InterpolantAutomatonStates: 216, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1380.2ms AutomataMinimizationTime, 17 MinimizatonAttempts, 5121 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 1041 NumberOfFragments, 1806 HoareAnnotationTreeSize, 63 FomulaSimplifications, 1455778818 FormulaSimplificationTreeSizeReduction, 9724.7ms HoareSimplificationTime, 63 FomulaSimplificationsInter, 11670975 FormulaSimplificationTreeSizeReductionInter, 17631.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1302.0ms SsaConstructionTime, 3500.8ms SatisfiabilityAnalysisTime, 9253.1ms InterpolantComputationTime, 1263 NumberOfCodeBlocks, 1263 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2480 ConstructedInterpolants, 0 QuantifiedInterpolants, 4002 SizeOfPredicates, 76 NumberOfNonLiveVariables, 9617 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 46 InterpolantComputations, 34 PerfectInterpolantSequences, 194/290 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2507]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((2bv32 == __ste_email_to0 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2072]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1306]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1398]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2554]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2507]: Loop Invariant Derived loop invariant: (((((msg == 1bv32 && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) && \result == 0bv32) - InvariantResult [Line: 1362]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1420]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1326]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2072]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: (((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1307]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2554]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1373]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1340]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1464]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 1409]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((((((((2bv32 == client && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && fwreceiver == 0bv32) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: ((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1510]: Loop Invariant Derived loop invariant: (((((((2bv32 == __ste_email_to0 && 2bv32 == value) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(__ste_email_to0 == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && !(1bv32 == rjh) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1492]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == \result) && 0bv32 == __ste_client_forwardReceiver1) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) && \result == 0bv32) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 0bv32 == __ste_client_forwardReceiver1) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1387]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1315]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1351]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((2bv32 == client && 2bv32 == __ste_email_to0) && 2bv32 == value) && 2bv32 == \result) && \result == 1bv32) && handle == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh RESULT: Ultimate proved your program to be correct! [2021-10-24 09:59:36,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505fff-b6df-4e7b-8e03-7cd47474c14c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...