./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:51:14,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:51:14,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:51:14,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:51:14,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:51:14,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:51:14,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:51:14,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:51:14,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:51:14,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:51:14,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:51:14,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:51:14,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:51:14,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:51:14,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:51:14,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:51:14,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:51:14,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:51:14,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:51:14,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:51:14,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:51:14,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:51:14,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:51:14,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:51:14,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:51:14,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:51:14,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:51:14,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:51:14,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:51:14,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:51:14,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:51:14,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:51:14,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:51:14,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:51:14,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:51:14,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:51:14,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:51:14,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:51:14,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:51:14,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:51:14,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:51:14,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:51:14,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:51:14,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:51:14,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:51:14,351 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:51:14,352 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:51:14,352 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:51:14,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:51:14,353 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:51:14,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:51:14,353 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:51:14,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:51:14,363 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:51:14,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:51:14,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:51:14,364 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:51:14,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:51:14,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:51:14,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:51:14,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:51:14,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:51:14,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:51:14,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:51:14,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:51:14,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:51:14,368 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:51:14,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:51:14,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:51:14,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:51:14,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:51:14,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:51:14,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:14,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:51:14,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:51:14,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:51:14,373 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:51:14,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:51:14,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:51:14,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:51:14,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:51:14,375 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 [2021-11-07 01:51:14,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:51:14,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:51:14,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:51:14,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:51:14,907 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:51:14,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2021-11-07 01:51:14,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/b4b3b27b1/0d48c0ad1c1f485193ce3630297817f9/FLAGcd45786ad [2021-11-07 01:51:15,783 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:51:15,784 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2021-11-07 01:51:15,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/b4b3b27b1/0d48c0ad1c1f485193ce3630297817f9/FLAGcd45786ad [2021-11-07 01:51:16,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/b4b3b27b1/0d48c0ad1c1f485193ce3630297817f9 [2021-11-07 01:51:16,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:51:16,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:51:16,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:16,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:51:16,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:51:16,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:16" (1/1) ... [2021-11-07 01:51:16,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47192ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:16, skipping insertion in model container [2021-11-07 01:51:16,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:16" (1/1) ... [2021-11-07 01:51:16,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:51:16,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:16,701 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c[53446,53459] [2021-11-07 01:51:16,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:16,780 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:51:16,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ec4c4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:16, skipping insertion in model container [2021-11-07 01:51:16,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:16,782 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:51:16,785 INFO L168 Benchmark]: Toolchain (without parser) took 762.75 ms. Allocated memory is still 102.8 MB. Free memory was 60.8 MB in the beginning and 66.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:16,787 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:16,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.27 ms. Allocated memory is still 102.8 MB. Free memory was 60.6 MB in the beginning and 66.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:16,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory is still 79.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 758.27 ms. Allocated memory is still 102.8 MB. Free memory was 60.6 MB in the beginning and 66.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1996]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:51:19,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:51:19,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:51:19,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:51:19,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:51:19,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:51:19,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:51:19,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:51:19,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:51:19,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:51:19,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:51:19,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:51:19,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:51:19,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:51:19,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:51:19,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:51:19,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:51:19,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:51:19,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:51:19,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:51:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:51:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:51:19,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:51:19,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:51:19,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:51:19,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:51:19,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:51:19,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:51:19,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:51:19,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:51:19,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:51:19,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:51:19,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:51:19,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:51:19,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:51:19,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:51:19,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:51:19,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:51:19,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:51:19,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:51:19,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:51:19,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:51:19,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:51:19,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:51:19,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:51:19,694 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:51:19,694 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:51:19,695 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:51:19,695 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:51:19,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:51:19,695 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:51:19,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:51:19,699 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:51:19,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:51:19,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:51:19,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:51:19,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:51:19,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:51:19,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:51:19,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:51:19,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:51:19,701 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:51:19,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:51:19,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:51:19,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:51:19,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:51:19,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:51:19,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:51:19,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:19,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:51:19,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:51:19,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:51:19,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:51:19,705 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:19,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:51:19,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:51:19,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:51:19,706 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9a35f77051831a79054d5620e487d68dd21285b0cc9c8ae29c469f997bd1ec7 [2021-11-07 01:51:20,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:51:20,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:51:20,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:51:20,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:51:20,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:51:20,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2021-11-07 01:51:20,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/36c46ca7f/b911b469b4e548618780390239452718/FLAG4815e50b0 [2021-11-07 01:51:21,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:51:21,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c [2021-11-07 01:51:21,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/36c46ca7f/b911b469b4e548618780390239452718/FLAG4815e50b0 [2021-11-07 01:51:21,263 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/data/36c46ca7f/b911b469b4e548618780390239452718 [2021-11-07 01:51:21,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:51:21,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:51:21,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:21,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:51:21,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:51:21,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:21" (1/1) ... [2021-11-07 01:51:21,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e7e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:21, skipping insertion in model container [2021-11-07 01:51:21,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:21" (1/1) ... [2021-11-07 01:51:21,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:51:21,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:22,086 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c[53446,53459] [2021-11-07 01:51:22,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:22,147 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:51:22,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:22,324 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c[53446,53459] [2021-11-07 01:51:22,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:22,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:51:22,414 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_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/sv-benchmarks/c/product-lines/email_spec11_product10.cil.c[53446,53459] [2021-11-07 01:51:22,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:22,468 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:51:22,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22 WrapperNode [2021-11-07 01:51:22,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:22,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:22,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:51:22,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:51:22,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:22,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:51:22,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:51:22,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:51:22,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:51:22,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:51:22,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:51:22,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:51:22,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (1/1) ... [2021-11-07 01:51:22,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:51:22,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:51:22,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:51:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-07 01:51:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:51:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:51:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:51:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:51:26,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:51:26,555 INFO L299 CfgBuilder]: Removed 155 assume(true) statements. [2021-11-07 01:51:26,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:26 BoogieIcfgContainer [2021-11-07 01:51:26,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:51:26,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:51:26,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:51:26,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:51:26,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:51:21" (1/3) ... [2021-11-07 01:51:26,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfab90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:26, skipping insertion in model container [2021-11-07 01:51:26,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:22" (2/3) ... [2021-11-07 01:51:26,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfab90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:26, skipping insertion in model container [2021-11-07 01:51:26,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:26" (3/3) ... [2021-11-07 01:51:26,569 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2021-11-07 01:51:26,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:51:26,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 01:51:26,633 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:51:26,640 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:51:26,641 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:51:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 159 states have (on average 1.6540880503144655) internal successors, (263), 161 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:51:26,675 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:26,675 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:26,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:26,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1164700804, now seen corresponding path program 1 times [2021-11-07 01:51:26,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:26,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280929414] [2021-11-07 01:51:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:26,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:26,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:26,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:51:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:27,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:51:27,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:27,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:27,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:27,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280929414] [2021-11-07 01:51:27,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280929414] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:27,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:27,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:51:27,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992419282] [2021-11-07 01:51:27,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:51:27,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:51:27,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:51:27,574 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:27,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:27,632 INFO L93 Difference]: Finished difference Result 273 states and 434 transitions. [2021-11-07 01:51:27,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:51:27,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:51:27,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:27,646 INFO L225 Difference]: With dead ends: 273 [2021-11-07 01:51:27,647 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:51:27,651 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:51:27,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:51:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-07 01:51:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 129 states have (on average 1.62015503875969) internal successors, (209), 130 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 209 transitions. [2021-11-07 01:51:27,703 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 209 transitions. Word has length 32 [2021-11-07 01:51:27,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:27,704 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 209 transitions. [2021-11-07 01:51:27,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 209 transitions. [2021-11-07 01:51:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:51:27,707 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:27,707 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:27,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:51:27,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:27,908 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:27,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:27,909 INFO L85 PathProgramCache]: Analyzing trace with hash 649551968, now seen corresponding path program 1 times [2021-11-07 01:51:27,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:27,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890843024] [2021-11-07 01:51:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:27,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:27,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:27,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:27,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:51:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:28,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:51:28,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:28,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:28,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:28,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:28,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890843024] [2021-11-07 01:51:28,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890843024] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:28,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:28,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:28,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871989217] [2021-11-07 01:51:28,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:28,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:28,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:28,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:28,581 INFO L87 Difference]: Start difference. First operand 131 states and 209 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:28,679 INFO L93 Difference]: Finished difference Result 367 states and 586 transitions. [2021-11-07 01:51:28,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:51:28,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 01:51:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:28,683 INFO L225 Difference]: With dead ends: 367 [2021-11-07 01:51:28,684 INFO L226 Difference]: Without dead ends: 247 [2021-11-07 01:51:28,686 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-07 01:51:28,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 130. [2021-11-07 01:51:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 128 states have (on average 1.59375) internal successors, (204), 129 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 204 transitions. [2021-11-07 01:51:28,712 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 204 transitions. Word has length 33 [2021-11-07 01:51:28,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:28,712 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 204 transitions. [2021-11-07 01:51:28,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:28,713 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 204 transitions. [2021-11-07 01:51:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:51:28,715 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:28,715 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:28,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:28,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:28,932 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1644115213, now seen corresponding path program 1 times [2021-11-07 01:51:28,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:28,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795817564] [2021-11-07 01:51:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:28,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:28,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:28,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:51:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:29,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:51:29,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:29,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:29,548 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:29,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795817564] [2021-11-07 01:51:29,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795817564] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:29,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:29,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:29,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757908957] [2021-11-07 01:51:29,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:29,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:29,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:29,554 INFO L87 Difference]: Start difference. First operand 130 states and 204 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:29,651 INFO L93 Difference]: Finished difference Result 253 states and 398 transitions. [2021-11-07 01:51:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:51:29,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:51:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:29,658 INFO L225 Difference]: With dead ends: 253 [2021-11-07 01:51:29,658 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:51:29,663 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:29,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:51:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2021-11-07 01:51:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 128 states have (on average 1.5703125) internal successors, (201), 129 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 201 transitions. [2021-11-07 01:51:29,702 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 201 transitions. Word has length 35 [2021-11-07 01:51:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:29,703 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 201 transitions. [2021-11-07 01:51:29,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2021-11-07 01:51:29,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:51:29,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:29,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:29,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:29,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:29,929 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:29,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1106619438, now seen corresponding path program 1 times [2021-11-07 01:51:29,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:29,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542483576] [2021-11-07 01:51:29,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:29,931 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:29,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:29,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:29,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:51:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:30,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:30,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:30,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:30,595 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:30,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542483576] [2021-11-07 01:51:30,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542483576] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:30,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:30,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:30,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369180846] [2021-11-07 01:51:30,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:30,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:30,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:30,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:30,601 INFO L87 Difference]: Start difference. First operand 130 states and 201 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:30,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:30,641 INFO L93 Difference]: Finished difference Result 325 states and 506 transitions. [2021-11-07 01:51:30,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:51:30,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 01:51:30,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:30,658 INFO L225 Difference]: With dead ends: 325 [2021-11-07 01:51:30,658 INFO L226 Difference]: Without dead ends: 245 [2021-11-07 01:51:30,659 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:30,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-11-07 01:51:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 165. [2021-11-07 01:51:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 163 states have (on average 1.6196319018404908) internal successors, (264), 164 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 264 transitions. [2021-11-07 01:51:30,711 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 264 transitions. Word has length 36 [2021-11-07 01:51:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:30,712 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 264 transitions. [2021-11-07 01:51:30,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 264 transitions. [2021-11-07 01:51:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:51:30,718 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:30,718 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:30,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:30,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:30,923 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:30,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1119946354, now seen corresponding path program 1 times [2021-11-07 01:51:30,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:30,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531893586] [2021-11-07 01:51:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:30,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:30,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:30,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:30,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:51:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:31,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:31,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:31,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:31,603 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:31,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531893586] [2021-11-07 01:51:31,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531893586] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:31,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:31,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:51:31,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358969486] [2021-11-07 01:51:31,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:51:31,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:31,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:51:31,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:31,607 INFO L87 Difference]: Start difference. First operand 165 states and 264 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:31,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:31,660 INFO L93 Difference]: Finished difference Result 534 states and 864 transitions. [2021-11-07 01:51:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:51:31,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-07 01:51:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:31,666 INFO L225 Difference]: With dead ends: 534 [2021-11-07 01:51:31,666 INFO L226 Difference]: Without dead ends: 421 [2021-11-07 01:51:31,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:51:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-11-07 01:51:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 227. [2021-11-07 01:51:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 1.6844444444444444) internal successors, (379), 226 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 379 transitions. [2021-11-07 01:51:31,707 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 379 transitions. Word has length 46 [2021-11-07 01:51:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:31,708 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 379 transitions. [2021-11-07 01:51:31,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 379 transitions. [2021-11-07 01:51:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:51:31,710 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:31,710 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:31,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:51:31,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:31,930 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:31,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:31,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1405177687, now seen corresponding path program 1 times [2021-11-07 01:51:31,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:31,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434421223] [2021-11-07 01:51:31,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:31,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:31,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:31,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:31,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:51:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:32,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:32,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:32,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:32,577 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:32,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434421223] [2021-11-07 01:51:32,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434421223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:32,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:32,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:51:32,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683083856] [2021-11-07 01:51:32,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:32,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:32,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:32,579 INFO L87 Difference]: Start difference. First operand 227 states and 379 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:32,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:32,608 INFO L93 Difference]: Finished difference Result 421 states and 680 transitions. [2021-11-07 01:51:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:32,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 01:51:32,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:32,611 INFO L225 Difference]: With dead ends: 421 [2021-11-07 01:51:32,611 INFO L226 Difference]: Without dead ends: 279 [2021-11-07 01:51:32,611 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:32,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-11-07 01:51:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 199. [2021-11-07 01:51:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 197 states have (on average 1.6395939086294415) internal successors, (323), 198 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 323 transitions. [2021-11-07 01:51:32,630 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 323 transitions. Word has length 48 [2021-11-07 01:51:32,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:32,631 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 323 transitions. [2021-11-07 01:51:32,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 323 transitions. [2021-11-07 01:51:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:51:32,632 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:32,632 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:32,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:32,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:32,846 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:32,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1760653519, now seen corresponding path program 1 times [2021-11-07 01:51:32,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:32,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327717346] [2021-11-07 01:51:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:32,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:32,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:32,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:51:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:33,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:51:33,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:51:33,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:51:33,490 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:33,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327717346] [2021-11-07 01:51:33,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327717346] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:33,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:33,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:51:33,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636806771] [2021-11-07 01:51:33,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:33,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:33,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:33,492 INFO L87 Difference]: Start difference. First operand 199 states and 323 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:33,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:33,528 INFO L93 Difference]: Finished difference Result 505 states and 832 transitions. [2021-11-07 01:51:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:33,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 01:51:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:33,531 INFO L225 Difference]: With dead ends: 505 [2021-11-07 01:51:33,531 INFO L226 Difference]: Without dead ends: 336 [2021-11-07 01:51:33,532 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:33,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-11-07 01:51:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 256. [2021-11-07 01:51:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 254 states have (on average 1.669291338582677) internal successors, (424), 255 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 424 transitions. [2021-11-07 01:51:33,556 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 424 transitions. Word has length 48 [2021-11-07 01:51:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:33,557 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 424 transitions. [2021-11-07 01:51:33,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:33,557 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 424 transitions. [2021-11-07 01:51:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:51:33,558 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:33,558 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:33,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:33,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:33,772 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash 178949755, now seen corresponding path program 1 times [2021-11-07 01:51:33,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:33,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019251896] [2021-11-07 01:51:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:33,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:33,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:33,778 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:33,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:51:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:34,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:34,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:51:34,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:51:34,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:34,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019251896] [2021-11-07 01:51:34,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019251896] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:34,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:34,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:51:34,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348345171] [2021-11-07 01:51:34,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:51:34,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:34,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:51:34,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:51:34,510 INFO L87 Difference]: Start difference. First operand 256 states and 424 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:36,517 INFO L93 Difference]: Finished difference Result 594 states and 987 transitions. [2021-11-07 01:51:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:51:36,517 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 01:51:36,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:36,520 INFO L225 Difference]: With dead ends: 594 [2021-11-07 01:51:36,521 INFO L226 Difference]: Without dead ends: 390 [2021-11-07 01:51:36,521 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:51:36,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-11-07 01:51:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 253. [2021-11-07 01:51:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 251 states have (on average 1.6414342629482073) internal successors, (412), 252 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 412 transitions. [2021-11-07 01:51:36,557 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 412 transitions. Word has length 49 [2021-11-07 01:51:36,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:36,558 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 412 transitions. [2021-11-07 01:51:36,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 412 transitions. [2021-11-07 01:51:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:51:36,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:36,560 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:36,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:36,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:51:36,774 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:36,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1139277203, now seen corresponding path program 1 times [2021-11-07 01:51:36,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:36,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447985069] [2021-11-07 01:51:36,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:36,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:36,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:36,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:51:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:37,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:37,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:37,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:37,498 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:37,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447985069] [2021-11-07 01:51:37,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447985069] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:37,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1592327303] [2021-11-07 01:51:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:37,499 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:37,506 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-07 01:51:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:38,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:51:38,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:38,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:38,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1592327303] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:38,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:51:38,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [5, 5] total 22 [2021-11-07 01:51:38,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177117390] [2021-11-07 01:51:38,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:51:38,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:51:38,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:51:38,691 INFO L87 Difference]: Start difference. First operand 253 states and 412 transitions. Second operand has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:45,909 INFO L93 Difference]: Finished difference Result 1888 states and 2692 transitions. [2021-11-07 01:51:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-11-07 01:51:45,910 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 01:51:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:45,921 INFO L225 Difference]: With dead ends: 1888 [2021-11-07 01:51:45,922 INFO L226 Difference]: Without dead ends: 1829 [2021-11-07 01:51:45,927 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2965 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2309, Invalid=7993, Unknown=0, NotChecked=0, Total=10302 [2021-11-07 01:51:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2021-11-07 01:51:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 364. [2021-11-07 01:51:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 362 states have (on average 1.5883977900552486) internal successors, (575), 363 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 575 transitions. [2021-11-07 01:51:45,981 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 575 transitions. Word has length 49 [2021-11-07 01:51:45,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:45,982 INFO L470 AbstractCegarLoop]: Abstraction has 364 states and 575 transitions. [2021-11-07 01:51:45,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 575 transitions. [2021-11-07 01:51:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:51:45,983 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:45,984 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:46,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:46,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:46,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:46,407 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:46,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:46,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1822602018, now seen corresponding path program 1 times [2021-11-07 01:51:46,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:46,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189614763] [2021-11-07 01:51:46,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:46,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:46,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:46,409 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:46,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:51:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:46,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:46,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:47,158 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:47,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189614763] [2021-11-07 01:51:47,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189614763] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:47,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1245264627] [2021-11-07 01:51:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:47,159 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:47,161 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:47,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:51:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:47,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:51:47,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:47,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:48,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1245264627] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:48,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:51:48,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-07 01:51:48,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570331092] [2021-11-07 01:51:48,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:51:48,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:48,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:51:48,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:51:48,063 INFO L87 Difference]: Start difference. First operand 364 states and 575 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:48,301 INFO L93 Difference]: Finished difference Result 1049 states and 1614 transitions. [2021-11-07 01:51:48,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:51:48,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:51:48,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:48,307 INFO L225 Difference]: With dead ends: 1049 [2021-11-07 01:51:48,308 INFO L226 Difference]: Without dead ends: 901 [2021-11-07 01:51:48,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:51:48,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2021-11-07 01:51:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 603. [2021-11-07 01:51:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 601 states have (on average 1.584026622296173) internal successors, (952), 602 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 952 transitions. [2021-11-07 01:51:48,397 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 952 transitions. Word has length 50 [2021-11-07 01:51:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:48,397 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 952 transitions. [2021-11-07 01:51:48,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 952 transitions. [2021-11-07 01:51:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:51:48,399 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:48,399 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:48,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:48,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-11-07 01:51:48,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:48,813 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:48,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:48,814 INFO L85 PathProgramCache]: Analyzing trace with hash -499939045, now seen corresponding path program 1 times [2021-11-07 01:51:48,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:48,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527700780] [2021-11-07 01:51:48,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:48,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:48,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:48,815 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:48,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:51:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:49,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:49,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:49,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:49,598 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:49,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527700780] [2021-11-07 01:51:49,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527700780] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:49,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [215195382] [2021-11-07 01:51:49,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:49,598 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:49,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:49,603 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:49,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-07 01:51:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:51:50,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:50,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:50,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [215195382] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:50,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:51:50,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5] total 12 [2021-11-07 01:51:50,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941690611] [2021-11-07 01:51:50,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:51:50,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:50,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:51:50,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:51:50,505 INFO L87 Difference]: Start difference. First operand 603 states and 952 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:50,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:50,720 INFO L93 Difference]: Finished difference Result 990 states and 1505 transitions. [2021-11-07 01:51:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:51:50,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-07 01:51:50,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:50,726 INFO L225 Difference]: With dead ends: 990 [2021-11-07 01:51:50,727 INFO L226 Difference]: Without dead ends: 677 [2021-11-07 01:51:50,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:51:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-11-07 01:51:50,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 566. [2021-11-07 01:51:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 564 states have (on average 1.5833333333333333) internal successors, (893), 565 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 893 transitions. [2021-11-07 01:51:50,811 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 893 transitions. Word has length 50 [2021-11-07 01:51:50,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:50,813 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 893 transitions. [2021-11-07 01:51:50,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 893 transitions. [2021-11-07 01:51:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:51:50,814 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:50,814 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:50,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:51,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:51,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:51,223 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:51:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash 679772884, now seen corresponding path program 1 times [2021-11-07 01:51:51,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:51:51,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796273996] [2021-11-07 01:51:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:51,224 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:51:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:51:51,225 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:51:51,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:51:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:51,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:51:51,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:51,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:51,975 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:51:51,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796273996] [2021-11-07 01:51:51,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796273996] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:51:51,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1323890199] [2021-11-07 01:51:51,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:51,976 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:51:51,979 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:51:51,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 01:51:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:52,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:51:52,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:51:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:52,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:51:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:51:52,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1323890199] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:52,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:51:52,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-11-07 01:51:52,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539603482] [2021-11-07 01:51:52,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:51:52,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:51:52,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:51:52,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:51:52,872 INFO L87 Difference]: Start difference. First operand 566 states and 893 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:53,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:53,071 INFO L93 Difference]: Finished difference Result 813 states and 1253 transitions. [2021-11-07 01:51:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:51:53,072 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 01:51:53,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:53,073 INFO L225 Difference]: With dead ends: 813 [2021-11-07 01:51:53,073 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:51:53,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:51:53,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:51:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:51:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:51:53,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-11-07 01:51:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:53,075 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:51:53,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:51:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:51:53,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:51:53,078 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:53,079 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:51:53,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:51:53,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2021-11-07 01:51:53,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:51:53,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:51:53,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:53,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:53,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:53,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:53,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:53,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:54,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:54,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:55,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:56,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:57,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:58,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:58,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:51:58,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:52:06,066 INFO L857 garLoopResultBuilder]: For program point L1918(lines 1918 1922) no Hoare annotation was computed. [2021-11-07 01:52:06,067 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2359) no Hoare annotation was computed. [2021-11-07 01:52:06,067 INFO L857 garLoopResultBuilder]: For program point L1522(lines 1522 1533) no Hoare annotation was computed. [2021-11-07 01:52:06,069 INFO L857 garLoopResultBuilder]: For program point L1522-1(lines 1522 1533) no Hoare annotation was computed. [2021-11-07 01:52:06,069 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1072) no Hoare annotation was computed. [2021-11-07 01:52:06,069 INFO L857 garLoopResultBuilder]: For program point L1820(lines 1820 1957) no Hoare annotation was computed. [2021-11-07 01:52:06,070 INFO L860 garLoopResultBuilder]: At program point L2481(lines 2463 2483) the Hoare annotation is: true [2021-11-07 01:52:06,070 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-11-07 01:52:06,070 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-11-07 01:52:06,070 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2021-11-07 01:52:06,070 INFO L857 garLoopResultBuilder]: For program point L170-3(lines 170 176) no Hoare annotation was computed. [2021-11-07 01:52:06,071 INFO L853 garLoopResultBuilder]: At program point L1855(lines 1845 1955) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,071 INFO L853 garLoopResultBuilder]: At program point L1723(lines 1718 1726) 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 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 01:52:06,071 INFO L857 garLoopResultBuilder]: For program point L2417(lines 2417 2425) no Hoare annotation was computed. [2021-11-07 01:52:06,071 INFO L853 garLoopResultBuilder]: At program point L138(lines 125 143) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,071 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 125 143) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,072 INFO L860 garLoopResultBuilder]: At program point L138-2(lines 125 143) the Hoare annotation is: true [2021-11-07 01:52:06,072 INFO L857 garLoopResultBuilder]: For program point L1063(lines 1063 1071) no Hoare annotation was computed. [2021-11-07 01:52:06,072 INFO L860 garLoopResultBuilder]: At program point L138-3(lines 125 143) the Hoare annotation is: true [2021-11-07 01:52:06,072 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1532) no Hoare annotation was computed. [2021-11-07 01:52:06,072 INFO L857 garLoopResultBuilder]: For program point L1526-1(lines 1526 1532) no Hoare annotation was computed. [2021-11-07 01:52:06,072 INFO L857 garLoopResultBuilder]: For program point L1824(lines 1824 1828) no Hoare annotation was computed. [2021-11-07 01:52:06,073 INFO L853 garLoopResultBuilder]: At program point L1924(lines 1914 1949) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,073 INFO L853 garLoopResultBuilder]: At program point L1891(lines 1878 1952) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,073 INFO L857 garLoopResultBuilder]: For program point L1660(lines 1660 1667) no Hoare annotation was computed. [2021-11-07 01:52:06,073 INFO L853 garLoopResultBuilder]: At program point L1660-1(lines 1 2601) 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 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 01:52:06,074 INFO L857 garLoopResultBuilder]: For program point L1660-2(lines 1660 1667) no Hoare annotation was computed. [2021-11-07 01:52:06,074 INFO L857 garLoopResultBuilder]: For program point L1495(lines 1495 1507) no Hoare annotation was computed. [2021-11-07 01:52:06,074 INFO L857 garLoopResultBuilder]: For program point L1066(lines 1066 1070) no Hoare annotation was computed. [2021-11-07 01:52:06,074 INFO L853 garLoopResultBuilder]: At program point L1066-2(lines 1 2601) the Hoare annotation is: (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,074 INFO L853 garLoopResultBuilder]: At program point L175(lines 162 180) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#res| (_ bv1 32))) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,074 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 162 180) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,075 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 162 180) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse1 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse2 (= (_ bv2 32) ~rjh~0))) (or (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) .cse1 .cse2))) [2021-11-07 01:52:06,075 INFO L860 garLoopResultBuilder]: At program point L175-3(lines 162 180) the Hoare annotation is: true [2021-11-07 01:52:06,075 INFO L853 garLoopResultBuilder]: At program point L1959(lines 1811 1960) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,075 INFO L857 garLoopResultBuilder]: For program point L1860(lines 1860 1864) no Hoare annotation was computed. [2021-11-07 01:52:06,075 INFO L853 garLoopResultBuilder]: At program point L1531(lines 1514 1537) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,076 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1506) no Hoare annotation was computed. [2021-11-07 01:52:06,076 INFO L853 garLoopResultBuilder]: At program point L1531-1(lines 1514 1537) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-11-07 01:52:06,076 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1052) no Hoare annotation was computed. [2021-11-07 01:52:06,076 INFO L857 garLoopResultBuilder]: For program point L1036-1(lines 1036 1052) no Hoare annotation was computed. [2021-11-07 01:52:06,076 INFO L857 garLoopResultBuilder]: For program point L1929(lines 1929 1933) no Hoare annotation was computed. [2021-11-07 01:52:06,076 INFO L857 garLoopResultBuilder]: For program point L1896(lines 1896 1900) no Hoare annotation was computed. [2021-11-07 01:52:06,077 INFO L853 garLoopResultBuilder]: At program point L1830(lines 1820 1957) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,077 INFO L853 garLoopResultBuilder]: At program point L2590(lines 1 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 01:52:06,077 INFO L857 garLoopResultBuilder]: For program point L2359-1(line 2359) no Hoare annotation was computed. [2021-11-07 01:52:06,077 INFO L857 garLoopResultBuilder]: For program point L2359(line 2359) no Hoare annotation was computed. [2021-11-07 01:52:06,078 INFO L853 garLoopResultBuilder]: At program point L1732(lines 1727 1735) 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 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 01:52:06,078 INFO L857 garLoopResultBuilder]: For program point L1501(lines 1501 1505) no Hoare annotation was computed. [2021-11-07 01:52:06,078 INFO L853 garLoopResultBuilder]: At program point L1501-2(lines 1 2601) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,078 INFO L853 garLoopResultBuilder]: At program point L2360(lines 2336 2353) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,078 INFO L860 garLoopResultBuilder]: At program point L2360-1(lines 2336 2353) the Hoare annotation is: true [2021-11-07 01:52:06,078 INFO L853 garLoopResultBuilder]: At program point L2460(lines 2440 2462) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1051) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L148-4(lines 148 156) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L1040-1(lines 1040 1051) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L853 garLoopResultBuilder]: At program point L1866(lines 1856 1954) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1487) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L1471-1(lines 1471 1487) no Hoare annotation was computed. [2021-11-07 01:52:06,079 INFO L857 garLoopResultBuilder]: For program point L1835(lines 1835 1842) no Hoare annotation was computed. [2021-11-07 01:52:06,080 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 155) no Hoare annotation was computed. [2021-11-07 01:52:06,080 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 144 159) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,080 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2021-11-07 01:52:06,080 INFO L853 garLoopResultBuilder]: At program point L151-5(lines 144 159) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,080 INFO L857 garLoopResultBuilder]: For program point L151-6(lines 151 155) no Hoare annotation was computed. [2021-11-07 01:52:06,080 INFO L853 garLoopResultBuilder]: At program point L1935(lines 1925 1948) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,080 INFO L853 garLoopResultBuilder]: At program point L151-8(lines 144 159) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse4 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse5 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-11-07 01:52:06,080 INFO L853 garLoopResultBuilder]: At program point L1902(lines 1892 1951) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,081 INFO L853 garLoopResultBuilder]: At program point L2563(lines 2552 2566) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 193) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L185-4(lines 185 193) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L1044(lines 1044 1050) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L1044-1(lines 1044 1050) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L185-6(lines 185 193) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L185-8(lines 185 193) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L860 garLoopResultBuilder]: At program point L2531-1(lines 2506 2533) the Hoare annotation is: true [2021-11-07 01:52:06,081 INFO L853 garLoopResultBuilder]: At program point L2531(lines 2506 2533) 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)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L1871(lines 1871 1875) no Hoare annotation was computed. [2021-11-07 01:52:06,081 INFO L857 garLoopResultBuilder]: For program point L1640(lines 1640 1646) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L853 garLoopResultBuilder]: At program point L2598(lines 2593 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 01:52:06,082 INFO L853 garLoopResultBuilder]: At program point L1640-1(lines 1632 1649) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13 (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1640-2(lines 1640 1646) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L860 garLoopResultBuilder]: At program point L1640-3(lines 1632 1649) the Hoare annotation is: true [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1475(lines 1475 1486) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1475-1(lines 1475 1486) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1542(lines 1542 1554) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1542-2(lines 1542 1554) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L1542-4(lines 1542 1554) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-11-07 01:52:06,082 INFO L853 garLoopResultBuilder]: At program point L188-2(lines 181 196) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,082 INFO L857 garLoopResultBuilder]: For program point L188-3(lines 188 192) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L853 garLoopResultBuilder]: At program point L188-5(lines 181 196) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13 (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point L188-6(lines 188 192) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L853 garLoopResultBuilder]: At program point L188-8(lines 181 196) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point L188-9(lines 188 192) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L860 garLoopResultBuilder]: At program point L188-11(lines 181 196) the Hoare annotation is: true [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point L188-12(lines 188 192) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L860 garLoopResultBuilder]: At program point L188-14(lines 181 196) the Hoare annotation is: true [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point L1940(lines 1940 1944) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point L1907(lines 1907 1911) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L853 garLoopResultBuilder]: At program point L1940-1(lines 1812 1958) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,083 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:52:06,083 INFO L853 garLoopResultBuilder]: At program point L1049(lines 1032 1055) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,083 INFO L853 garLoopResultBuilder]: At program point L1049-1(lines 1032 1055) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse1 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse2 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_getClientAutoResponse_#res| (_ bv0 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) .cse1 .cse2))) [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L1545(lines 1545 1553) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L1545-2(lines 1545 1553) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L1479(lines 1479 1485) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 1479 1485) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L1545-4(lines 1545 1553) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 103) no Hoare annotation was computed. [2021-11-07 01:52:06,084 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 92 103) no Hoare annotation was computed. [2021-11-07 01:52:06,085 INFO L853 garLoopResultBuilder]: At program point L1877(lines 1867 1953) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,085 INFO L853 garLoopResultBuilder]: At program point L1844(lines 1831 1956) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,085 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:52:06,085 INFO L857 garLoopResultBuilder]: For program point L1548(lines 1548 1552) no Hoare annotation was computed. [2021-11-07 01:52:06,085 INFO L853 garLoopResultBuilder]: At program point L2539-1(lines 2534 2542) 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)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,085 INFO L853 garLoopResultBuilder]: At program point L1548-2(lines 1 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (not (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= (_ bv1 32) ~rjh~0)) (= ~__ste_client_autoResponse1~0 (_ bv0 32))) [2021-11-07 01:52:06,085 INFO L853 garLoopResultBuilder]: At program point L2539(lines 2534 2542) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,085 INFO L857 garLoopResultBuilder]: For program point L1548-3(lines 1548 1552) no Hoare annotation was computed. [2021-11-07 01:52:06,085 INFO L860 garLoopResultBuilder]: At program point L2539-3(lines 2534 2542) the Hoare annotation is: true [2021-11-07 01:52:06,085 INFO L860 garLoopResultBuilder]: At program point L2473-1(lines 2473 2480) the Hoare annotation is: true [2021-11-07 01:52:06,085 INFO L857 garLoopResultBuilder]: For program point L2473(lines 2473 2480) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L853 garLoopResultBuilder]: At program point L2539-2(lines 2534 2542) the Hoare annotation is: (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,086 INFO L853 garLoopResultBuilder]: At program point L1548-5(lines 1 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv2 32) ~rjh~0) (= (_ bv2 32) ULTIMATE.start_setClientId_~handle)) [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L1548-6(lines 1548 1552) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L853 garLoopResultBuilder]: At program point L1548-8(lines 1 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L1813(lines 1812 1958) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L853 garLoopResultBuilder]: At program point L1714(lines 1709 1717) 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 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse5 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse6 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 140) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 140) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 140) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 96 102) no Hoare annotation was computed. [2021-11-07 01:52:06,086 INFO L857 garLoopResultBuilder]: For program point L129-3(lines 129 140) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L853 garLoopResultBuilder]: At program point L1913(lines 1903 1950) the Hoare annotation is: (let ((.cse0 (not (= ~__ste_email_to0~0 (_ bv1 32)))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse3 (= (_ bv2 32) ~rjh~0))) (or (and (= ULTIMATE.start_test_~op2~0 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv2 32) ULTIMATE.start_setClientAutoResponse_~handle) .cse2 .cse3))) [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L1814(lines 1814 1818) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L853 garLoopResultBuilder]: At program point L1484(lines 1467 1490) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_outgoing_~msg (_ bv1 32))) (.cse3 (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32))) (.cse4 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|)) (.cse6 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse7 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_isReadable_#res| (_ bv1 32)) (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~13 (_ bv1 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= ~__ste_email_to0~0 (_ bv1 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-11-07 01:52:06,087 INFO L860 garLoopResultBuilder]: At program point L1484-1(lines 1467 1490) the Hoare annotation is: true [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1534) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 1518 1534) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L2344(lines 2344 2350) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L2344-2(lines 2344 2350) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L1882(lines 1882 1889) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point L1849(lines 1849 1853) no Hoare annotation was computed. [2021-11-07 01:52:06,087 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2359) no Hoare annotation was computed. [2021-11-07 01:52:06,088 INFO L853 garLoopResultBuilder]: At program point L1619(lines 1 2601) the Hoare annotation is: (and (not (= ~__ste_email_to0~0 (_ bv1 32))) (= (_ bv2 32) ULTIMATE.start_setEmailTo_~value) (not (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv1 32))) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= |ULTIMATE.start_getEmailTo_#res| (_ bv1 32))) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,088 INFO L853 garLoopResultBuilder]: At program point L1619-1(lines 1 2601) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start_createEmail_~to)) (.cse1 (= (_ bv3 32) ULTIMATE.start_setClientId_~handle)) (.cse2 (= (_ bv2 32) ~rjh~0))) (or (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) .cse1 .cse2) (and (= (_ bv2 32) ~__ste_email_to0~0) (= (_ bv2 32) |ULTIMATE.start_getEmailTo_#res|) (= ~__ste_client_autoResponse1~0 (_ bv0 32)) .cse0 .cse1 (= ULTIMATE.start_incoming__wrappee__AutoResponder_~client (_ bv2 32)) .cse2))) [2021-11-07 01:52:06,088 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 177) no Hoare annotation was computed. [2021-11-07 01:52:06,088 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-11-07 01:52:06,088 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 166 177) no Hoare annotation was computed. [2021-11-07 01:52:06,088 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-11-07 01:52:06,089 INFO L857 garLoopResultBuilder]: For program point L166-2(lines 166 177) no Hoare annotation was computed. [2021-11-07 01:52:06,089 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-11-07 01:52:06,089 INFO L857 garLoopResultBuilder]: For program point L166-3(lines 166 177) no Hoare annotation was computed. [2021-11-07 01:52:06,089 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-11-07 01:52:06,089 INFO L853 garLoopResultBuilder]: At program point L101(lines 88 106) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ULTIMATE.start_createEmail_~msg~0 (_ bv1 32)) (= ULTIMATE.start_outgoing_~msg (_ bv1 32)) (= ULTIMATE.start_getEmailTo_~handle (_ bv1 32)) (= (_ bv2 32) ULTIMATE.start_createEmail_~to) (= (_ bv1 32) |ULTIMATE.start_createEmail_#res|) (= (_ bv3 32) ULTIMATE.start_setClientId_~handle) (= (_ bv2 32) ~rjh~0)) [2021-11-07 01:52:06,089 INFO L860 garLoopResultBuilder]: At program point L101-1(lines 88 106) the Hoare annotation is: true [2021-11-07 01:52:06,095 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:52:06,097 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:52:06,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:52:06 BoogieIcfgContainer [2021-11-07 01:52:06,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:52:06,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:52:06,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:52:06,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:52:06,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:26" (3/4) ... [2021-11-07 01:52:06,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:52:06,200 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2021-11-07 01:52:06,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-07 01:52:06,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:52:06,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 01:52:06,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:52:06,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:52:06,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-11-07 01:52:06,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 [2021-11-07 01:52:06,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle [2021-11-07 01:52:06,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,268 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,268 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && !(client == 1bv32)) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,277 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) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,277 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) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1bv32 && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,284 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2bv32 == __ste_email_to0 && 2bv32 == \result) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,284 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) [2021-11-07 01:52:06,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0bv32 && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) [2021-11-07 01:52:06,286 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh [2021-11-07 01:52:06,388 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:52:06,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:52:06,390 INFO L168 Benchmark]: Toolchain (without parser) took 45118.75 ms. Allocated memory was 54.5 MB in the beginning and 237.0 MB in the end (delta: 182.5 MB). Free memory was 29.1 MB in the beginning and 146.4 MB in the end (delta: -117.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,390 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:52:06,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1194.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 33.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.72 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 45.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,392 INFO L168 Benchmark]: Boogie Preprocessor took 68.42 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,393 INFO L168 Benchmark]: RCFGBuilder took 3862.04 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 41.6 MB in the beginning and 51.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,393 INFO L168 Benchmark]: TraceAbstraction took 39587.41 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 51.3 MB in the beginning and 164.2 MB in the end (delta: -112.9 MB). Peak memory consumption was 135.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,393 INFO L168 Benchmark]: Witness Printer took 238.51 ms. Allocated memory is still 237.0 MB. Free memory was 164.2 MB in the beginning and 146.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:52:06,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.0 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1194.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 33.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.72 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 45.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.42 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 41.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3862.04 ms. Allocated memory was 67.1 MB in the beginning and 94.4 MB in the end (delta: 27.3 MB). Free memory was 41.6 MB in the beginning and 51.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 39587.41 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 51.3 MB in the beginning and 164.2 MB in the end (delta: -112.9 MB). Peak memory consumption was 135.3 MB. Max. memory is 16.1 GB. * Witness Printer took 238.51 ms. Allocated memory is still 237.0 MB. Free memory was 164.2 MB in the beginning and 146.4 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 2359]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 2359]: 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: 39.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3181 SDtfs, 8878 SDslu, 5162 SDs, 0 SdLazy, 402 SolverSat, 170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1513 GetRequests, 1359 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3013 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=603occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2563 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 431 NumberOfFragments, 1649 HoareAnnotationTreeSize, 63 FomulaSimplifications, 10745537 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 98710 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 727 NumberOfCodeBlocks, 727 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350 SizeOfPredicates, 53 NumberOfNonLiveVariables, 6437 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 114/178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == rjh) && 2bv32 == handle - InvariantResult [Line: 1867]: 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: 1632]: 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) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((2bv32 == __ste_email_to0 && 2bv32 == \result) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2534]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1727]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1914]: 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: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && !(2bv32 == handle)) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 1709]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((2bv32 == __ste_email_to0 && 2bv32 == \result) && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && client == 2bv32) && 2bv32 == rjh) - InvariantResult [Line: 2506]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 181]: 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: 2440]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1831]: 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: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1514]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1925]: 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: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1514]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1467]: 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) || ((((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1812]: 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: 1878]: 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: 2534]: Loop Invariant Derived loop invariant: (((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2534]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 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) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1903]: 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: 2506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2463]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || ((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1820]: 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: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1856]: 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: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1032]: Loop Invariant Derived loop invariant: ((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1892]: 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: 88]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2593]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 162]: 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: (!(__ste_email_to0 == 1bv32) && !(1bv32 == rjh)) && __ste_client_autoResponse1 == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && __ste_client_autoResponse1 == 0bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1032]: Loop Invariant Derived loop invariant: ((((\result == 0bv32 && __ste_client_autoResponse1 == 0bv32) && 2bv32 == to) && 3bv32 == handle) && 2bv32 == rjh) || (((((\result == 1bv32 && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 2336]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((((\result == 1bv32 && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2336]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1845]: Loop Invariant Derived loop invariant: ((((op2 == 0bv32 && !(__ste_email_to0 == 1bv32)) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh) || ((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 2bv32 == handle) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && !(client == 1bv32)) && \result == 1bv32) && !(\result == 1bv32)) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1718]: Loop Invariant Derived loop invariant: (((((((\result == 1bv32 && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) || (((((((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && !(__ste_email_to0 == 1bv32)) && 2bv32 == value) && tmp == 1bv32) && \result == 1bv32) && msg == 1bv32) && msg == 1bv32) && handle == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 1811]: Loop Invariant Derived loop invariant: ((!(__ste_email_to0 == 1bv32) && \result == 1bv32) && 3bv32 == handle) && 2bv32 == rjh - InvariantResult [Line: 2552]: Loop Invariant Derived loop invariant: ((((((!(__ste_email_to0 == 1bv32) && 2bv32 == value) && \result == 1bv32) && msg == 1bv32) && 2bv32 == to) && 1bv32 == \result) && 3bv32 == handle) && 2bv32 == rjh RESULT: Ultimate proved your program to be correct! [2021-11-07 01:52:06,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d1ebe52-0dfa-4c3d-9fc3-dd15f151b533/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE