./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs --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 4412f873965d7271481a31165cef4693811ec350 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs --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 4412f873965d7271481a31165cef4693811ec350 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:06:32,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:06:32,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:06:32,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:06:32,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:06:32,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:06:32,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:06:32,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:06:32,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:06:32,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:06:32,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:06:32,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:06:32,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:06:32,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:06:32,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:06:32,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:06:32,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:06:32,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:06:32,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:06:32,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:06:32,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:06:32,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:06:32,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:06:32,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:06:32,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:06:32,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:06:32,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:06:32,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:06:32,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:06:32,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:06:32,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:06:32,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:06:32,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:06:32,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:06:32,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:06:32,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:06:32,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:06:32,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:06:32,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:06:32,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:06:32,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:06:32,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:06:32,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:06:32,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:06:32,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:06:32,615 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:06:32,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:06:32,615 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:06:32,616 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:06:32,616 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:06:32,623 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:06:32,623 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:06:32,624 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:06:32,624 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:06:32,625 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:06:32,625 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:06:32,625 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:06:32,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:06:32,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:06:32,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:06:32,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:06:32,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:06:32,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:06:32,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:06:32,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:06:32,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:06:32,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:06:32,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:06:32,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:06:32,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:06:32,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:06:32,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:06:32,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:06:32,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:06:32,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:06:32,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:06:32,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:06:32,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:06:32,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:06:32,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:06:32,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:06:32,634 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2021-10-16 03:06:32,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:06:33,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:06:33,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:06:33,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:06:33,027 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:06:33,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:33,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/0cad32f07/cf558afcc70d4cf7bd988f80e32e6f2b/FLAGf3131d77b [2021-10-16 03:06:33,673 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:06:33,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:33,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/0cad32f07/cf558afcc70d4cf7bd988f80e32e6f2b/FLAGf3131d77b [2021-10-16 03:06:34,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/0cad32f07/cf558afcc70d4cf7bd988f80e32e6f2b [2021-10-16 03:06:34,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:06:34,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:06:34,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:06:34,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:06:34,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:06:34,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8f167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34, skipping insertion in model container [2021-10-16 03:06:34,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:06:34,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:06:34,328 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-16 03:06:34,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:06:34,347 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:06:34,413 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-16 03:06:34,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:06:34,432 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:06:34,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34 WrapperNode [2021-10-16 03:06:34,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:06:34,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:06:34,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:06:34,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:06:34,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:06:34,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:06:34,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:06:34,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:06:34,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:06:34,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:06:34,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:06:34,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:06:34,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (1/1) ... [2021-10-16 03:06:34,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:06:34,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:06:34,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:06:34,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:06:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:06:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:06:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:06:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:06:34,867 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-16 03:06:35,559 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-16 03:06:35,560 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-16 03:06:35,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:06:35,874 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:06:35,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:35 BoogieIcfgContainer [2021-10-16 03:06:35,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:06:35,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:06:35,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:06:35,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:06:35,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:06:34" (1/3) ... [2021-10-16 03:06:35,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3e572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:35, skipping insertion in model container [2021-10-16 03:06:35,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:34" (2/3) ... [2021-10-16 03:06:35,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3e572f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:35, skipping insertion in model container [2021-10-16 03:06:35,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:35" (3/3) ... [2021-10-16 03:06:35,886 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:35,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:06:35,890 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:06:35,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:06:35,949 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:06:35,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:06:35,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.7843137254901962) internal successors, (182), 103 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-16 03:06:35,977 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:35,977 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:35,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:35,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash -842861299, now seen corresponding path program 1 times [2021-10-16 03:06:35,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:35,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917336618] [2021-10-16 03:06:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:35,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:36,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:36,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917336618] [2021-10-16 03:06:36,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917336618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:36,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:36,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:06:36,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193386081] [2021-10-16 03:06:36,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:36,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:06:36,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:36,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:36,225 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.7843137254901962) internal successors, (182), 103 states have internal predecessors, (182), 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 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-10-16 03:06:36,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:36,394 INFO L93 Difference]: Finished difference Result 215 states and 374 transitions. [2021-10-16 03:06:36,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 39 [2021-10-16 03:06:36,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:36,412 INFO L225 Difference]: With dead ends: 215 [2021-10-16 03:06:36,413 INFO L226 Difference]: Without dead ends: 105 [2021-10-16 03:06:36,416 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:36,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-16 03:06:36,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-16 03:06:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 102 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2021-10-16 03:06:36,478 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 39 [2021-10-16 03:06:36,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:36,479 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2021-10-16 03:06:36,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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) [2021-10-16 03:06:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2021-10-16 03:06:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 03:06:36,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:36,484 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2021-10-16 03:06:36,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:06:36,485 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:36,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:36,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2080769323, now seen corresponding path program 1 times [2021-10-16 03:06:36,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:36,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836007673] [2021-10-16 03:06:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:36,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:36,664 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:36,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836007673] [2021-10-16 03:06:36,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836007673] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:06:36,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134684615] [2021-10-16 03:06:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:36,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:06:36,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:06:36,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:06:36,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 03:06:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:36,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:06:36,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:37,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 03:06:37,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134684615] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-16 03:06:37,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:06:37,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3, 3] total 4 [2021-10-16 03:06:37,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605759725] [2021-10-16 03:06:37,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:37,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:06:37,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:37,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:06:37,234 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:37,280 INFO L93 Difference]: Finished difference Result 193 states and 283 transitions. [2021-10-16 03:06:37,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:37,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-16 03:06:37,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:37,287 INFO L225 Difference]: With dead ends: 193 [2021-10-16 03:06:37,288 INFO L226 Difference]: Without dead ends: 191 [2021-10-16 03:06:37,289 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:06:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-16 03:06:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 190. [2021-10-16 03:06:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.4814814814814814) internal successors, (280), 189 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 280 transitions. [2021-10-16 03:06:37,319 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 280 transitions. Word has length 53 [2021-10-16 03:06:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:37,321 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 280 transitions. [2021-10-16 03:06:37,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 280 transitions. [2021-10-16 03:06:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-16 03:06:37,332 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:37,334 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-10-16 03:06:37,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:37,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:06:37,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:37,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:37,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1030808201, now seen corresponding path program 1 times [2021-10-16 03:06:37,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:37,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105271235] [2021-10-16 03:06:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:37,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 03:06:37,690 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:37,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105271235] [2021-10-16 03:06:37,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105271235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:37,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:37,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 03:06:37,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92810942] [2021-10-16 03:06:37,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:37,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:06:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:37,692 INFO L87 Difference]: Start difference. First operand 190 states and 280 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:37,933 INFO L93 Difference]: Finished difference Result 331 states and 497 transitions. [2021-10-16 03:06:37,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:37,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-10-16 03:06:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:37,936 INFO L225 Difference]: With dead ends: 331 [2021-10-16 03:06:37,937 INFO L226 Difference]: Without dead ends: 240 [2021-10-16 03:06:37,938 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:37,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-16 03:06:37,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 228. [2021-10-16 03:06:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4185022026431717) internal successors, (322), 227 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 322 transitions. [2021-10-16 03:06:37,972 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 322 transitions. Word has length 70 [2021-10-16 03:06:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:37,975 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 322 transitions. [2021-10-16 03:06:37,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 322 transitions. [2021-10-16 03:06:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-16 03:06:37,978 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:37,993 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-16 03:06:37,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 03:06:37,993 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:37,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:37,994 INFO L82 PathProgramCache]: Analyzing trace with hash -9712342, now seen corresponding path program 1 times [2021-10-16 03:06:37,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:37,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803623799] [2021-10-16 03:06:37,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:37,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-16 03:06:38,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:38,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803623799] [2021-10-16 03:06:38,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803623799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:38,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:38,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 03:06:38,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498143905] [2021-10-16 03:06:38,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:38,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:06:38,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:38,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:38,116 INFO L87 Difference]: Start difference. First operand 228 states and 322 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:38,279 INFO L93 Difference]: Finished difference Result 510 states and 738 transitions. [2021-10-16 03:06:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:38,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 89 [2021-10-16 03:06:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:38,286 INFO L225 Difference]: With dead ends: 510 [2021-10-16 03:06:38,287 INFO L226 Difference]: Without dead ends: 294 [2021-10-16 03:06:38,288 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:38,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-10-16 03:06:38,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-10-16 03:06:38,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.36996336996337) internal successors, (374), 273 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 374 transitions. [2021-10-16 03:06:38,313 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 374 transitions. Word has length 89 [2021-10-16 03:06:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:38,314 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 374 transitions. [2021-10-16 03:06:38,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 374 transitions. [2021-10-16 03:06:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-16 03:06:38,316 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:38,316 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:38,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 03:06:38,317 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:38,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:38,317 INFO L82 PathProgramCache]: Analyzing trace with hash 97826579, now seen corresponding path program 1 times [2021-10-16 03:06:38,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:06:38,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446105979] [2021-10-16 03:06:38,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:38,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:06:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:38,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:06:38,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446105979] [2021-10-16 03:06:38,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446105979] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 03:06:38,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763811495] [2021-10-16 03:06:38,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:38,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:06:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:06:38,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:06:38,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-16 03:06:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:38,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 03:06:38,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:39,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-16 03:06:39,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763811495] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:06:39,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1558423796] [2021-10-16 03:06:39,792 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2021-10-16 03:06:39,793 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 03:06:39,802 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 03:06:39,809 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 03:06:39,810 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 03:06:40,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:06:40,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-16 03:06:40,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 03:06:40,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-16 03:06:40,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-10-16 03:06:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 03:06:40,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 03:06:40,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 03:06:40,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,459 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-16 03:06:40,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 03:06:40,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-16 03:06:40,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-16 03:06:40,499 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-16 03:06:40,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:06:40,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 03:06:40,720 INFO L180 QuantifierPusher]: treesize reduction 18, result has 98.3 percent of original size [2021-10-16 03:06:40,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1023 [2021-10-16 03:06:40,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-10-16 03:06:40,755 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:1032, output treesize:1023 [2021-10-16 03:06:40,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:40,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:06:40,982 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#valid_18| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 03:06:40,986 INFO L168 Benchmark]: Toolchain (without parser) took 6960.34 ms. Allocated memory was 96.5 MB in the beginning and 161.5 MB in the end (delta: 65.0 MB). Free memory was 67.2 MB in the beginning and 60.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 97.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,987 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:06:40,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.02 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 52.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 96.5 MB. Free memory was 52.1 MB in the beginning and 49.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,988 INFO L168 Benchmark]: Boogie Preprocessor took 89.93 ms. Allocated memory is still 96.5 MB. Free memory was 49.3 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,989 INFO L168 Benchmark]: RCFGBuilder took 1290.92 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 61.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,989 INFO L168 Benchmark]: TraceAbstraction took 5105.91 ms. Allocated memory was 119.5 MB in the beginning and 161.5 MB in the end (delta: 41.9 MB). Free memory was 60.5 MB in the beginning and 60.9 MB in the end (delta: -345.0 kB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:40,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.02 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 52.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 96.5 MB. Free memory was 52.1 MB in the beginning and 49.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.93 ms. Allocated memory is still 96.5 MB. Free memory was 49.3 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1290.92 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 61.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5105.91 ms. Allocated memory was 119.5 MB in the beginning and 161.5 MB in the end (delta: 41.9 MB). Free memory was 60.5 MB in the beginning and 60.9 MB in the end (delta: -345.0 kB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#valid_18| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#valid_18|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:06:41,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:06:43,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:06:43,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:06:43,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:06:43,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:06:43,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:06:43,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:06:43,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:06:43,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:06:43,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:06:43,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:06:43,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:06:43,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:06:43,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:06:43,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:06:43,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:06:43,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:06:43,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:06:43,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:06:43,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:06:43,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:06:43,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:06:43,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:06:43,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:06:43,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:06:43,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:06:43,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:06:43,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:06:43,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:06:43,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:06:43,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:06:43,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:06:43,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:06:43,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:06:43,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:06:43,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:06:43,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:06:43,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:06:43,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:06:43,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:06:43,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:06:43,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:06:43,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:06:43,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:06:43,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:06:43,904 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:06:43,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:06:43,904 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:06:43,905 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:06:43,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:06:43,905 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:06:43,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:06:43,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:06:43,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:06:43,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:06:43,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:06:43,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:06:43,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:06:43,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:06:43,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:06:43,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:06:43,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:06:43,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:06:43,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:06:43,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:06:43,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:06:43,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:06:43,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:06:43,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:06:43,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:06:43,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:06:43,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:06:43,916 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:06:43,916 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:06:43,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:06:43,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:06:43,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:06:43,918 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4412f873965d7271481a31165cef4693811ec350 [2021-10-16 03:06:44,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:06:44,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:06:44,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:06:44,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:06:44,357 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:06:44,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:44,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/4d7f367c2/61921a2316e34949a59fb9044b0018af/FLAGcb97dae04 [2021-10-16 03:06:45,089 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:06:45,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:45,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/4d7f367c2/61921a2316e34949a59fb9044b0018af/FLAGcb97dae04 [2021-10-16 03:06:45,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/data/4d7f367c2/61921a2316e34949a59fb9044b0018af [2021-10-16 03:06:45,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:06:45,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:06:45,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:06:45,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:06:45,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:06:45,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e1fc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45, skipping insertion in model container [2021-10-16 03:06:45,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:06:45,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:06:45,730 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-16 03:06:45,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:06:45,751 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:06:45,822 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_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44542,44555] [2021-10-16 03:06:45,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:06:45,847 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:06:45,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45 WrapperNode [2021-10-16 03:06:45,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:06:45,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:06:45,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:06:45,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:06:45,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:06:45,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:06:45,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:06:45,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:06:45,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:45,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:06:46,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:06:46,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:06:46,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:06:46,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (1/1) ... [2021-10-16 03:06:46,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:06:46,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:06:46,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:06:46,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:06:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:06:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:06:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:06:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:06:46,347 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-16 03:06:46,871 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-16 03:06:46,872 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-16 03:06:46,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:06:46,897 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 03:06:46,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:46 BoogieIcfgContainer [2021-10-16 03:06:46,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:06:46,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:06:46,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:06:46,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:06:46,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:06:45" (1/3) ... [2021-10-16 03:06:46,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8eeb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:46, skipping insertion in model container [2021-10-16 03:06:46,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:06:45" (2/3) ... [2021-10-16 03:06:46,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8eeb95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:46, skipping insertion in model container [2021-10-16 03:06:46,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:46" (3/3) ... [2021-10-16 03:06:46,924 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-10-16 03:06:46,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:06:46,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:06:46,995 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:06:47,002 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:06:47,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:06:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-16 03:06:47,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:47,054 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:47,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:47,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:47,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1632002022, now seen corresponding path program 1 times [2021-10-16 03:06:47,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:47,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634288512] [2021-10-16 03:06:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:47,088 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:47,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:47,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:06:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:47,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 03:06:47,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:47,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:47,850 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:47,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634288512] [2021-10-16 03:06:47,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634288512] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:47,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:47,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:06:47,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073708808] [2021-10-16 03:06:47,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:47,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:47,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:47,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:47,891 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:48,196 INFO L93 Difference]: Finished difference Result 284 states and 484 transitions. [2021-10-16 03:06:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:48,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-16 03:06:48,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:48,219 INFO L225 Difference]: With dead ends: 284 [2021-10-16 03:06:48,219 INFO L226 Difference]: Without dead ends: 128 [2021-10-16 03:06:48,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:48,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-16 03:06:48,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2021-10-16 03:06:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2021-10-16 03:06:48,289 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 44 [2021-10-16 03:06:48,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:48,290 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2021-10-16 03:06:48,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2021-10-16 03:06:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-16 03:06:48,301 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:48,301 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:48,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:48,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:48,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:48,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:48,520 INFO L82 PathProgramCache]: Analyzing trace with hash 2033157093, now seen corresponding path program 1 times [2021-10-16 03:06:48,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:48,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009248829] [2021-10-16 03:06:48,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:48,522 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:48,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:48,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:48,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 03:06:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:48,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:48,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:48,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:06:49,059 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:49,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009248829] [2021-10-16 03:06:49,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009248829] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:49,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:49,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:49,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639655269] [2021-10-16 03:06:49,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:49,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:49,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:49,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:49,068 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:49,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:49,146 INFO L93 Difference]: Finished difference Result 432 states and 659 transitions. [2021-10-16 03:06:49,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:49,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 60 [2021-10-16 03:06:49,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:49,155 INFO L225 Difference]: With dead ends: 432 [2021-10-16 03:06:49,156 INFO L226 Difference]: Without dead ends: 326 [2021-10-16 03:06:49,161 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:49,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2021-10-16 03:06:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2021-10-16 03:06:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.5138461538461538) internal successors, (492), 325 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 492 transitions. [2021-10-16 03:06:49,218 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 492 transitions. Word has length 60 [2021-10-16 03:06:49,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:49,219 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 492 transitions. [2021-10-16 03:06:49,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2021-10-16 03:06:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-16 03:06:49,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:49,227 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:49,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:49,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:49,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:49,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:49,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1976048908, now seen corresponding path program 1 times [2021-10-16 03:06:49,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:49,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873365807] [2021-10-16 03:06:49,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:49,442 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:49,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:49,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:49,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 03:06:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:49,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:49,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-16 03:06:49,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-16 03:06:50,056 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:50,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873365807] [2021-10-16 03:06:50,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873365807] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:50,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:50,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:06:50,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371556439] [2021-10-16 03:06:50,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:50,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:50,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:50,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:50,064 INFO L87 Difference]: Start difference. First operand 326 states and 492 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:50,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:50,090 INFO L93 Difference]: Finished difference Result 635 states and 964 transitions. [2021-10-16 03:06:50,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:50,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-16 03:06:50,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:50,093 INFO L225 Difference]: With dead ends: 635 [2021-10-16 03:06:50,093 INFO L226 Difference]: Without dead ends: 328 [2021-10-16 03:06:50,097 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:50,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-10-16 03:06:50,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2021-10-16 03:06:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.510703363914373) internal successors, (494), 327 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 494 transitions. [2021-10-16 03:06:50,128 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 494 transitions. Word has length 82 [2021-10-16 03:06:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:50,131 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 494 transitions. [2021-10-16 03:06:50,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 494 transitions. [2021-10-16 03:06:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-16 03:06:50,135 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:50,135 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:50,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:50,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:50,354 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:50,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:50,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1614320406, now seen corresponding path program 1 times [2021-10-16 03:06:50,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:50,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357353237] [2021-10-16 03:06:50,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:50,356 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:50,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:50,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:50,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 03:06:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:50,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:50,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:06:50,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:06:51,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:51,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357353237] [2021-10-16 03:06:51,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357353237] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:51,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:51,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:51,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974222915] [2021-10-16 03:06:51,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:51,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:51,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:51,260 INFO L87 Difference]: Start difference. First operand 328 states and 494 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:51,550 INFO L93 Difference]: Finished difference Result 847 states and 1312 transitions. [2021-10-16 03:06:51,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 103 [2021-10-16 03:06:51,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:51,554 INFO L225 Difference]: With dead ends: 847 [2021-10-16 03:06:51,555 INFO L226 Difference]: Without dead ends: 540 [2021-10-16 03:06:51,555 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:51,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-10-16 03:06:51,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 516. [2021-10-16 03:06:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 515 states have (on average 1.4174757281553398) internal successors, (730), 515 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 730 transitions. [2021-10-16 03:06:51,575 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 730 transitions. Word has length 103 [2021-10-16 03:06:51,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:51,576 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 730 transitions. [2021-10-16 03:06:51,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 730 transitions. [2021-10-16 03:06:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-16 03:06:51,578 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:51,578 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:51,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:51,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:51,790 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:51,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:51,790 INFO L82 PathProgramCache]: Analyzing trace with hash 2020105131, now seen corresponding path program 1 times [2021-10-16 03:06:51,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:51,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941115693] [2021-10-16 03:06:51,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:51,791 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:51,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:51,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:51,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 03:06:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:52,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:52,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:06:52,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-16 03:06:52,527 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:52,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941115693] [2021-10-16 03:06:52,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941115693] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:52,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:52,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:52,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055266700] [2021-10-16 03:06:52,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:52,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:52,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:52,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:52,535 INFO L87 Difference]: Start difference. First operand 516 states and 730 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:52,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:52,751 INFO L93 Difference]: Finished difference Result 1144 states and 1642 transitions. [2021-10-16 03:06:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:52,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 104 [2021-10-16 03:06:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:52,758 INFO L225 Difference]: With dead ends: 1144 [2021-10-16 03:06:52,758 INFO L226 Difference]: Without dead ends: 649 [2021-10-16 03:06:52,759 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-10-16 03:06:52,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 628. [2021-10-16 03:06:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4162679425837321) internal successors, (888), 627 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 888 transitions. [2021-10-16 03:06:52,791 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 888 transitions. Word has length 104 [2021-10-16 03:06:52,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:52,792 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 888 transitions. [2021-10-16 03:06:52,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 888 transitions. [2021-10-16 03:06:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-16 03:06:52,794 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:52,795 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:06:52,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:53,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:53,007 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:53,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1728047681, now seen corresponding path program 1 times [2021-10-16 03:06:53,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:53,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011793362] [2021-10-16 03:06:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:53,010 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:53,010 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:53,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 03:06:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:53,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:53,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-16 03:06:53,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-10-16 03:06:53,987 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:53,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011793362] [2021-10-16 03:06:53,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011793362] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:53,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:53,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:53,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338724200] [2021-10-16 03:06:53,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:53,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:53,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:53,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:53,993 INFO L87 Difference]: Start difference. First operand 628 states and 888 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:54,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:54,209 INFO L93 Difference]: Finished difference Result 1355 states and 1939 transitions. [2021-10-16 03:06:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:54,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 159 [2021-10-16 03:06:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:54,216 INFO L225 Difference]: With dead ends: 1355 [2021-10-16 03:06:54,216 INFO L226 Difference]: Without dead ends: 748 [2021-10-16 03:06:54,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2021-10-16 03:06:54,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 703. [2021-10-16 03:06:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 702 states have (on average 1.3888888888888888) internal successors, (975), 702 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 975 transitions. [2021-10-16 03:06:54,251 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 975 transitions. Word has length 159 [2021-10-16 03:06:54,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:54,253 INFO L470 AbstractCegarLoop]: Abstraction has 703 states and 975 transitions. [2021-10-16 03:06:54,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 975 transitions. [2021-10-16 03:06:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-10-16 03:06:54,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:54,263 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:06:54,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:54,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:54,490 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:54,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:54,490 INFO L82 PathProgramCache]: Analyzing trace with hash -546671195, now seen corresponding path program 1 times [2021-10-16 03:06:54,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:54,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509167855] [2021-10-16 03:06:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:54,491 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:54,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:54,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:54,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 03:06:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:54,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:54,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-16 03:06:55,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-16 03:06:55,713 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:55,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509167855] [2021-10-16 03:06:55,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509167855] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:55,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:55,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:55,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550686682] [2021-10-16 03:06:55,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:55,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:55,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:55,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:55,716 INFO L87 Difference]: Start difference. First operand 703 states and 975 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:55,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:55,973 INFO L93 Difference]: Finished difference Result 1530 states and 2162 transitions. [2021-10-16 03:06:55,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:55,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 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 200 [2021-10-16 03:06:55,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:55,979 INFO L225 Difference]: With dead ends: 1530 [2021-10-16 03:06:55,979 INFO L226 Difference]: Without dead ends: 848 [2021-10-16 03:06:55,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:55,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-10-16 03:06:56,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 829. [2021-10-16 03:06:56,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 828 states have (on average 1.3405797101449275) internal successors, (1110), 828 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1110 transitions. [2021-10-16 03:06:56,014 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1110 transitions. Word has length 200 [2021-10-16 03:06:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:56,015 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 1110 transitions. [2021-10-16 03:06:56,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1110 transitions. [2021-10-16 03:06:56,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-16 03:06:56,019 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:56,020 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:56,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:56,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:56,240 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:56,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1371194429, now seen corresponding path program 1 times [2021-10-16 03:06:56,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:56,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291018023] [2021-10-16 03:06:56,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:56,242 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:56,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:56,243 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:56,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 03:06:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:56,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:56,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-10-16 03:06:57,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-10-16 03:06:57,544 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:57,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291018023] [2021-10-16 03:06:57,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291018023] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:57,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:57,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:06:57,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473406578] [2021-10-16 03:06:57,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:06:57,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:57,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:06:57,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:57,553 INFO L87 Difference]: Start difference. First operand 829 states and 1110 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:57,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:57,794 INFO L93 Difference]: Finished difference Result 1808 states and 2452 transitions. [2021-10-16 03:06:57,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:06:57,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 207 [2021-10-16 03:06:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:57,801 INFO L225 Difference]: With dead ends: 1808 [2021-10-16 03:06:57,801 INFO L226 Difference]: Without dead ends: 1000 [2021-10-16 03:06:57,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:06:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-10-16 03:06:57,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 970. [2021-10-16 03:06:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 969 states have (on average 1.3312693498452013) internal successors, (1290), 969 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1290 transitions. [2021-10-16 03:06:57,842 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1290 transitions. Word has length 207 [2021-10-16 03:06:57,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:57,843 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1290 transitions. [2021-10-16 03:06:57,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:57,843 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1290 transitions. [2021-10-16 03:06:57,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-10-16 03:06:57,848 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:57,848 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:57,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:58,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:58,071 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:58,071 INFO L82 PathProgramCache]: Analyzing trace with hash -328856853, now seen corresponding path program 1 times [2021-10-16 03:06:58,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:58,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137691364] [2021-10-16 03:06:58,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:58,073 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:58,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:58,074 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:58,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 03:06:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:06:58,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:06:58,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:06:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-16 03:06:59,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:06:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-10-16 03:06:59,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:06:59,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137691364] [2021-10-16 03:06:59,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137691364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:06:59,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:06:59,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:06:59,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3290268] [2021-10-16 03:06:59,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:06:59,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:06:59,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:06:59,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:59,645 INFO L87 Difference]: Start difference. First operand 970 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:06:59,816 INFO L93 Difference]: Finished difference Result 2012 states and 2693 transitions. [2021-10-16 03:06:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:06:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 240 [2021-10-16 03:06:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:06:59,823 INFO L225 Difference]: With dead ends: 2012 [2021-10-16 03:06:59,824 INFO L226 Difference]: Without dead ends: 1063 [2021-10-16 03:06:59,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:06:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2021-10-16 03:06:59,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1057. [2021-10-16 03:06:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 1056 states have (on average 1.3181818181818181) internal successors, (1392), 1056 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1392 transitions. [2021-10-16 03:06:59,866 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1392 transitions. Word has length 240 [2021-10-16 03:06:59,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:06:59,867 INFO L470 AbstractCegarLoop]: Abstraction has 1057 states and 1392 transitions. [2021-10-16 03:06:59,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:06:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1392 transitions. [2021-10-16 03:06:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-16 03:06:59,873 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:59,873 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:59,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:00,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:00,089 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:00,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:00,089 INFO L82 PathProgramCache]: Analyzing trace with hash 557282683, now seen corresponding path program 1 times [2021-10-16 03:07:00,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:00,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564859857] [2021-10-16 03:07:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:00,090 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:00,092 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:00,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 03:07:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:00,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:00,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-10-16 03:07:01,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-10-16 03:07:01,787 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:01,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564859857] [2021-10-16 03:07:01,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564859857] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:01,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:01,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:01,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72005653] [2021-10-16 03:07:01,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:01,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:01,792 INFO L87 Difference]: Start difference. First operand 1057 states and 1392 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:01,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:01,859 INFO L93 Difference]: Finished difference Result 3123 states and 4117 transitions. [2021-10-16 03:07:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 244 [2021-10-16 03:07:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:01,871 INFO L225 Difference]: With dead ends: 3123 [2021-10-16 03:07:01,872 INFO L226 Difference]: Without dead ends: 2087 [2021-10-16 03:07:01,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:01,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2021-10-16 03:07:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 2085. [2021-10-16 03:07:01,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 2084 states have (on average 1.316218809980806) internal successors, (2743), 2084 states have internal predecessors, (2743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2743 transitions. [2021-10-16 03:07:01,970 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2743 transitions. Word has length 244 [2021-10-16 03:07:01,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:01,971 INFO L470 AbstractCegarLoop]: Abstraction has 2085 states and 2743 transitions. [2021-10-16 03:07:01,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2743 transitions. [2021-10-16 03:07:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-10-16 03:07:01,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:01,980 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:02,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:02,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:02,196 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:02,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1971337506, now seen corresponding path program 1 times [2021-10-16 03:07:02,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:02,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962423864] [2021-10-16 03:07:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:02,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:02,199 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:02,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 03:07:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:02,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:02,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-16 03:07:03,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-16 03:07:03,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:03,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962423864] [2021-10-16 03:07:03,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962423864] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:03,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1875262700] [2021-10-16 03:07:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:03,935 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:07:03,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:07:03,943 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:07:03,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-16 03:07:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:05,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:05,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-16 03:07:05,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-16 03:07:06,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1875262700] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:06,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:07:06,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 7 [2021-10-16 03:07:06,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534448590] [2021-10-16 03:07:06,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:06,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:06,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:06,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:07:06,257 INFO L87 Difference]: Start difference. First operand 2085 states and 2743 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:06,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:06,388 INFO L93 Difference]: Finished difference Result 5553 states and 7300 transitions. [2021-10-16 03:07:06,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:06,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 245 [2021-10-16 03:07:06,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:06,407 INFO L225 Difference]: With dead ends: 5553 [2021-10-16 03:07:06,407 INFO L226 Difference]: Without dead ends: 3489 [2021-10-16 03:07:06,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:07:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-10-16 03:07:06,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3487. [2021-10-16 03:07:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3486 states have (on average 1.3100975329890991) internal successors, (4567), 3486 states have internal predecessors, (4567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 4567 transitions. [2021-10-16 03:07:06,556 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 4567 transitions. Word has length 245 [2021-10-16 03:07:06,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:06,557 INFO L470 AbstractCegarLoop]: Abstraction has 3487 states and 4567 transitions. [2021-10-16 03:07:06,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 4567 transitions. [2021-10-16 03:07:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-16 03:07:06,567 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:06,568 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:06,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:06,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:06,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:06,973 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:06,974 INFO L82 PathProgramCache]: Analyzing trace with hash -482554043, now seen corresponding path program 1 times [2021-10-16 03:07:06,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:06,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058835819] [2021-10-16 03:07:06,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:06,974 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:06,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:06,975 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:06,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-16 03:07:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:07,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:07,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:08,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:08,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:08,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058835819] [2021-10-16 03:07:08,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058835819] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:08,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1165603065] [2021-10-16 03:07:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:08,975 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:07:08,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:07:08,976 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:07:08,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-16 03:07:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:10,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:10,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:10,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:11,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1165603065] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:11,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545892400] [2021-10-16 03:07:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:11,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:07:11,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:07:11,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:07:11,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-16 03:07:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:12,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:12,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:13,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-16 03:07:13,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545892400] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:13,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:07:13,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-10-16 03:07:13,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273982312] [2021-10-16 03:07:13,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:07:13,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:13,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:07:13,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:07:13,710 INFO L87 Difference]: Start difference. First operand 3487 states and 4567 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:14,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:14,663 INFO L93 Difference]: Finished difference Result 10708 states and 14065 transitions. [2021-10-16 03:07:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 03:07:14,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 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 253 [2021-10-16 03:07:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:14,705 INFO L225 Difference]: With dead ends: 10708 [2021-10-16 03:07:14,705 INFO L226 Difference]: Without dead ends: 7242 [2021-10-16 03:07:14,711 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1520 GetRequests, 1512 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 42.5ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-16 03:07:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2021-10-16 03:07:14,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 4574. [2021-10-16 03:07:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.306363437568336) internal successors, (5974), 4573 states have internal predecessors, (5974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5974 transitions. [2021-10-16 03:07:14,926 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5974 transitions. Word has length 253 [2021-10-16 03:07:14,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:14,927 INFO L470 AbstractCegarLoop]: Abstraction has 4574 states and 5974 transitions. [2021-10-16 03:07:14,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5974 transitions. [2021-10-16 03:07:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-10-16 03:07:14,940 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:14,941 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:14,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:15,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:15,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-16 03:07:15,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:07:15,557 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:15,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:15,558 INFO L82 PathProgramCache]: Analyzing trace with hash -956400624, now seen corresponding path program 1 times [2021-10-16 03:07:15,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:15,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418114090] [2021-10-16 03:07:15,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:15,558 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:15,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:15,560 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:15,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-16 03:07:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:16,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:16,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-16 03:07:17,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-16 03:07:17,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:17,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418114090] [2021-10-16 03:07:17,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418114090] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:17,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:17,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:07:17,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084449172] [2021-10-16 03:07:17,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:17,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:17,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:17,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:17,829 INFO L87 Difference]: Start difference. First operand 4574 states and 5974 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:18,095 INFO L93 Difference]: Finished difference Result 9482 states and 12470 transitions. [2021-10-16 03:07:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:18,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 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 266 [2021-10-16 03:07:18,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:18,122 INFO L225 Difference]: With dead ends: 9482 [2021-10-16 03:07:18,122 INFO L226 Difference]: Without dead ends: 5088 [2021-10-16 03:07:18,127 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2021-10-16 03:07:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5008. [2021-10-16 03:07:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5008 states, 5007 states have (on average 1.2877970840822848) internal successors, (6448), 5007 states have internal predecessors, (6448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5008 states to 5008 states and 6448 transitions. [2021-10-16 03:07:18,347 INFO L78 Accepts]: Start accepts. Automaton has 5008 states and 6448 transitions. Word has length 266 [2021-10-16 03:07:18,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:18,348 INFO L470 AbstractCegarLoop]: Abstraction has 5008 states and 6448 transitions. [2021-10-16 03:07:18,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5008 states and 6448 transitions. [2021-10-16 03:07:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-10-16 03:07:18,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:18,362 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 7, 7, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:18,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:18,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:18,576 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:18,576 INFO L82 PathProgramCache]: Analyzing trace with hash -134367989, now seen corresponding path program 1 times [2021-10-16 03:07:18,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:18,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509162689] [2021-10-16 03:07:18,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:18,577 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:18,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:18,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:18,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-16 03:07:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:19,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 810 proven. 17 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-16 03:07:20,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 810 proven. 17 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-10-16 03:07:21,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:21,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509162689] [2021-10-16 03:07:21,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509162689] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:21,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2058721922] [2021-10-16 03:07:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:21,051 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:07:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:07:21,053 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:07:21,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-16 03:07:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:23,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:23,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-10-16 03:07:23,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-10-16 03:07:24,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2058721922] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:24,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 03:07:24,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 4] total 8 [2021-10-16 03:07:24,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933526076] [2021-10-16 03:07:24,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:24,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:07:24,477 INFO L87 Difference]: Start difference. First operand 5008 states and 6448 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:24,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:24,677 INFO L93 Difference]: Finished difference Result 12518 states and 16121 transitions. [2021-10-16 03:07:24,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:24,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 308 [2021-10-16 03:07:24,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:24,717 INFO L225 Difference]: With dead ends: 12518 [2021-10-16 03:07:24,717 INFO L226 Difference]: Without dead ends: 7690 [2021-10-16 03:07:24,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1228 GetRequests, 1222 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.3ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:07:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7690 states. [2021-10-16 03:07:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7690 to 7690. [2021-10-16 03:07:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7690 states, 7689 states have (on average 1.2882039276889061) internal successors, (9905), 7689 states have internal predecessors, (9905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 9905 transitions. [2021-10-16 03:07:25,135 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 9905 transitions. Word has length 308 [2021-10-16 03:07:25,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:25,136 INFO L470 AbstractCegarLoop]: Abstraction has 7690 states and 9905 transitions. [2021-10-16 03:07:25,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 9905 transitions. [2021-10-16 03:07:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-10-16 03:07:25,158 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:25,159 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:07:25,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:25,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:25,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:25,577 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:25,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:25,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1515372042, now seen corresponding path program 1 times [2021-10-16 03:07:25,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:25,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594535295] [2021-10-16 03:07:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:25,579 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:25,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:25,579 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:25,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-16 03:07:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:27,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:27,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-10-16 03:07:27,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:28,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-10-16 03:07:28,749 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:28,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594535295] [2021-10-16 03:07:28,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594535295] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:28,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:28,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:28,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82907333] [2021-10-16 03:07:28,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:28,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:28,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:28,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:28,752 INFO L87 Difference]: Start difference. First operand 7690 states and 9905 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:28,951 INFO L93 Difference]: Finished difference Result 12570 states and 16175 transitions. [2021-10-16 03:07:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:28,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 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 316 [2021-10-16 03:07:28,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:28,985 INFO L225 Difference]: With dead ends: 12570 [2021-10-16 03:07:28,985 INFO L226 Difference]: Without dead ends: 8558 [2021-10-16 03:07:28,991 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:29,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2021-10-16 03:07:29,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8556. [2021-10-16 03:07:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8556 states, 8555 states have (on average 1.2882524839275278) internal successors, (11021), 8555 states have internal predecessors, (11021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8556 states to 8556 states and 11021 transitions. [2021-10-16 03:07:29,354 INFO L78 Accepts]: Start accepts. Automaton has 8556 states and 11021 transitions. Word has length 316 [2021-10-16 03:07:29,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:29,355 INFO L470 AbstractCegarLoop]: Abstraction has 8556 states and 11021 transitions. [2021-10-16 03:07:29,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8556 states and 11021 transitions. [2021-10-16 03:07:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-10-16 03:07:29,375 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:29,376 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:29,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:29,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:29,593 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:29,594 INFO L82 PathProgramCache]: Analyzing trace with hash -854531706, now seen corresponding path program 1 times [2021-10-16 03:07:29,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:29,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991501134] [2021-10-16 03:07:29,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:29,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:29,597 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:29,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-16 03:07:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:31,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:31,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-16 03:07:32,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-10-16 03:07:32,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:32,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991501134] [2021-10-16 03:07:32,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991501134] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:32,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:32,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 03:07:32,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423938042] [2021-10-16 03:07:32,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:32,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:32,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:32,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:32,865 INFO L87 Difference]: Start difference. First operand 8556 states and 11021 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:33,295 INFO L93 Difference]: Finished difference Result 14797 states and 19245 transitions. [2021-10-16 03:07:33,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:07:33,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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 332 [2021-10-16 03:07:33,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:33,304 INFO L225 Difference]: With dead ends: 14797 [2021-10-16 03:07:33,305 INFO L226 Difference]: Without dead ends: 4910 [2021-10-16 03:07:33,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-10-16 03:07:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4133. [2021-10-16 03:07:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4133 states, 4132 states have (on average 1.265730880929332) internal successors, (5230), 4132 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 4133 states and 5230 transitions. [2021-10-16 03:07:33,537 INFO L78 Accepts]: Start accepts. Automaton has 4133 states and 5230 transitions. Word has length 332 [2021-10-16 03:07:33,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:33,537 INFO L470 AbstractCegarLoop]: Abstraction has 4133 states and 5230 transitions. [2021-10-16 03:07:33,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states and 5230 transitions. [2021-10-16 03:07:33,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-10-16 03:07:33,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:33,557 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:33,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:33,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:33,775 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:33,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:33,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1396762579, now seen corresponding path program 1 times [2021-10-16 03:07:33,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:33,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707843198] [2021-10-16 03:07:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:33,777 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:33,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:33,778 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:33,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-16 03:07:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:35,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:35,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:36,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:37,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:37,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707843198] [2021-10-16 03:07:37,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707843198] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:37,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1625438977] [2021-10-16 03:07:37,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:37,472 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:07:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:07:37,473 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:07:37,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-10-16 03:07:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:40,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:40,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:41,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:42,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1625438977] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:42,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803333332] [2021-10-16 03:07:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:42,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:07:42,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:07:42,225 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:07:42,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-16 03:07:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:45,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:07:45,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:45,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:46,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 1240 proven. 26 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-10-16 03:07:46,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803333332] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:07:46,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:07:46,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 4 [2021-10-16 03:07:46,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264930474] [2021-10-16 03:07:46,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:07:46,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:46,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:07:46,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:07:46,855 INFO L87 Difference]: Start difference. First operand 4133 states and 5230 transitions. Second operand has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:47,224 INFO L93 Difference]: Finished difference Result 12313 states and 15623 transitions. [2021-10-16 03:07:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 03:07:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 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 418 [2021-10-16 03:07:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:47,244 INFO L225 Difference]: With dead ends: 12313 [2021-10-16 03:07:47,245 INFO L226 Difference]: Without dead ends: 8311 [2021-10-16 03:07:47,250 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2504 GetRequests, 2501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:07:47,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8311 states. [2021-10-16 03:07:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8311 to 5643. [2021-10-16 03:07:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 5642 states have (on average 1.2754342431761787) internal successors, (7196), 5642 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 7196 transitions. [2021-10-16 03:07:47,483 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 7196 transitions. Word has length 418 [2021-10-16 03:07:47,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:47,484 INFO L470 AbstractCegarLoop]: Abstraction has 5643 states and 7196 transitions. [2021-10-16 03:07:47,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.5) internal successors, (186), 4 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 7196 transitions. [2021-10-16 03:07:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-10-16 03:07:47,498 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:47,499 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:47,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:47,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:47,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-10-16 03:07:48,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:48,126 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:48,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1699211053, now seen corresponding path program 1 times [2021-10-16 03:07:48,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:48,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864868316] [2021-10-16 03:07:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:48,127 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:48,128 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:48,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-16 03:07:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:50,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:50,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2021-10-16 03:07:51,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2692 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2021-10-16 03:07:52,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:52,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864868316] [2021-10-16 03:07:52,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864868316] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:52,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:52,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:52,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012262753] [2021-10-16 03:07:52,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:52,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:52,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:52,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:52,670 INFO L87 Difference]: Start difference. First operand 5643 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:52,952 INFO L93 Difference]: Finished difference Result 11328 states and 14442 transitions. [2021-10-16 03:07:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 478 [2021-10-16 03:07:52,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:52,963 INFO L225 Difference]: With dead ends: 11328 [2021-10-16 03:07:52,964 INFO L226 Difference]: Without dead ends: 5706 [2021-10-16 03:07:52,970 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 954 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:52,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5706 states. [2021-10-16 03:07:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 5643. [2021-10-16 03:07:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 5642 states have (on average 1.271712158808933) internal successors, (7175), 5642 states have internal predecessors, (7175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 7175 transitions. [2021-10-16 03:07:53,255 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 7175 transitions. Word has length 478 [2021-10-16 03:07:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:53,255 INFO L470 AbstractCegarLoop]: Abstraction has 5643 states and 7175 transitions. [2021-10-16 03:07:53,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 7175 transitions. [2021-10-16 03:07:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-10-16 03:07:53,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:53,269 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:53,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:53,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:53,485 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:53,486 INFO L82 PathProgramCache]: Analyzing trace with hash 604379059, now seen corresponding path program 1 times [2021-10-16 03:07:53,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:53,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993881912] [2021-10-16 03:07:53,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:53,487 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:53,487 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:53,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-10-16 03:07:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:07:56,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:07:56,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:07:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1564 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2021-10-16 03:07:57,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:07:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1564 proven. 0 refuted. 0 times theorem prover too weak. 1129 trivial. 0 not checked. [2021-10-16 03:07:58,209 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:07:58,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993881912] [2021-10-16 03:07:58,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993881912] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:07:58,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:07:58,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:07:58,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888817620] [2021-10-16 03:07:58,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:07:58,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:07:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:07:58,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:58,212 INFO L87 Difference]: Start difference. First operand 5643 states and 7175 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:07:58,449 INFO L93 Difference]: Finished difference Result 12021 states and 15438 transitions. [2021-10-16 03:07:58,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:07:58,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 480 [2021-10-16 03:07:58,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:07:58,461 INFO L225 Difference]: With dead ends: 12021 [2021-10-16 03:07:58,461 INFO L226 Difference]: Without dead ends: 6399 [2021-10-16 03:07:58,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 958 GetRequests, 957 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:07:58,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6399 states. [2021-10-16 03:07:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6399 to 6357. [2021-10-16 03:07:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6357 states, 6356 states have (on average 1.2577092511013215) internal successors, (7994), 6356 states have internal predecessors, (7994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6357 states to 6357 states and 7994 transitions. [2021-10-16 03:07:58,679 INFO L78 Accepts]: Start accepts. Automaton has 6357 states and 7994 transitions. Word has length 480 [2021-10-16 03:07:58,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:07:58,680 INFO L470 AbstractCegarLoop]: Abstraction has 6357 states and 7994 transitions. [2021-10-16 03:07:58,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:07:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6357 states and 7994 transitions. [2021-10-16 03:07:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-10-16 03:07:58,695 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:07:58,696 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 15, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:07:58,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-10-16 03:07:58,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:07:58,909 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:07:58,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:07:58,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1587883283, now seen corresponding path program 1 times [2021-10-16 03:07:58,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:07:58,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250454945] [2021-10-16 03:07:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:07:58,911 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:07:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:07:58,912 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:07:58,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-10-16 03:08:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:08:01,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:01,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:04,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:06,952 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:08:06,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250454945] [2021-10-16 03:08:06,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250454945] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:08:06,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [743909216] [2021-10-16 03:08:06,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:08:06,953 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:08:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:08:06,967 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:08:06,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2021-10-16 03:08:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:08:11,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:11,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:13,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:16,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [743909216] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:08:16,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988341196] [2021-10-16 03:08:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:08:16,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:08:16,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:08:16,087 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:08:16,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-16 03:08:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:08:19,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:19,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1749 proven. 206 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:21,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3218 backedges. 1844 proven. 111 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2021-10-16 03:08:23,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988341196] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:08:23,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:08:23,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-16 03:08:23,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079153645] [2021-10-16 03:08:23,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 03:08:23,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:08:23,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 03:08:23,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:08:23,657 INFO L87 Difference]: Start difference. First operand 6357 states and 7994 transitions. Second operand has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:25,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:08:25,942 INFO L93 Difference]: Finished difference Result 18427 states and 23431 transitions. [2021-10-16 03:08:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:08:25,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 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 514 [2021-10-16 03:08:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:08:25,958 INFO L225 Difference]: With dead ends: 18427 [2021-10-16 03:08:25,958 INFO L226 Difference]: Without dead ends: 12081 [2021-10-16 03:08:25,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 3074 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 398.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:08:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12081 states. [2021-10-16 03:08:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12081 to 11090. [2021-10-16 03:08:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11090 states, 11089 states have (on average 1.2587248624763279) internal successors, (13958), 11089 states have internal predecessors, (13958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11090 states to 11090 states and 13958 transitions. [2021-10-16 03:08:26,351 INFO L78 Accepts]: Start accepts. Automaton has 11090 states and 13958 transitions. Word has length 514 [2021-10-16 03:08:26,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:08:26,352 INFO L470 AbstractCegarLoop]: Abstraction has 11090 states and 13958 transitions. [2021-10-16 03:08:26,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.857142857142854) internal successors, (230), 7 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:26,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11090 states and 13958 transitions. [2021-10-16 03:08:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-10-16 03:08:26,373 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:08:26,373 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 16, 14, 14, 12, 12, 10, 10, 10, 10, 7, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:08:26,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:26,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:26,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:26,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:08:26,986 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:08:26,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:08:26,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1615273453, now seen corresponding path program 1 times [2021-10-16 03:08:26,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:08:26,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330487479] [2021-10-16 03:08:26,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:08:26,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:08:26,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:08:26,989 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:08:26,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-10-16 03:08:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:08:30,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 03:08:30,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3490 backedges. 2011 proven. 0 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-10-16 03:08:31,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3490 backedges. 2011 proven. 0 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2021-10-16 03:08:32,676 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:08:32,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330487479] [2021-10-16 03:08:32,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330487479] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 03:08:32,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:08:32,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 03:08:32,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713875885] [2021-10-16 03:08:32,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 03:08:32,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:08:32,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 03:08:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:08:32,678 INFO L87 Difference]: Start difference. First operand 11090 states and 13958 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:33,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:08:33,032 INFO L93 Difference]: Finished difference Result 22092 states and 27927 transitions. [2021-10-16 03:08:33,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 03:08:33,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 542 [2021-10-16 03:08:33,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:08:33,041 INFO L225 Difference]: With dead ends: 22092 [2021-10-16 03:08:33,042 INFO L226 Difference]: Without dead ends: 11023 [2021-10-16 03:08:33,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 03:08:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11023 states. [2021-10-16 03:08:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11023 to 9879. [2021-10-16 03:08:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9879 states, 9878 states have (on average 1.2387122899372343) internal successors, (12236), 9878 states have internal predecessors, (12236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9879 states to 9879 states and 12236 transitions. [2021-10-16 03:08:33,391 INFO L78 Accepts]: Start accepts. Automaton has 9879 states and 12236 transitions. Word has length 542 [2021-10-16 03:08:33,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:08:33,392 INFO L470 AbstractCegarLoop]: Abstraction has 9879 states and 12236 transitions. [2021-10-16 03:08:33,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:08:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 9879 states and 12236 transitions. [2021-10-16 03:08:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-10-16 03:08:33,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:08:33,410 INFO L512 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 17, 16, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:08:33,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-10-16 03:08:33,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:08:33,625 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:08:33,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:08:33,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1850834424, now seen corresponding path program 2 times [2021-10-16 03:08:33,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:08:33,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480947809] [2021-10-16 03:08:33,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:08:33,627 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:08:33,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:08:33,627 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:08:33,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-10-16 03:08:37,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:08:37,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:08:37,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:37,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:39,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2017 proven. 312 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-16 03:08:39,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2160 proven. 169 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-16 03:08:42,075 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:08:42,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480947809] [2021-10-16 03:08:42,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480947809] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:08:42,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [403064162] [2021-10-16 03:08:42,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:08:42,076 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:08:42,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:08:42,081 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:08:42,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-10-16 03:08:47,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:08:47,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:08:47,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:47,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:08:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 239 proven. 756 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2021-10-16 03:08:50,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:08:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 604 proven. 391 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2021-10-16 03:08:54,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [403064162] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:08:54,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869784402] [2021-10-16 03:08:54,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 03:08:54,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:08:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:08:54,253 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:08:54,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-16 03:08:59,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 03:08:59,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 03:08:59,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 03:08:59,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2017 proven. 312 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-16 03:09:01,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 2160 proven. 169 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-10-16 03:09:03,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869784402] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:03,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:09:03,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-10-16 03:09:03,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208593305] [2021-10-16 03:09:03,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 03:09:03,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:09:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 03:09:03,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-16 03:09:03,196 INFO L87 Difference]: Start difference. First operand 9879 states and 12236 transitions. Second operand has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:05,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:09:05,595 INFO L93 Difference]: Finished difference Result 26167 states and 32519 transitions. [2021-10-16 03:09:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 03:09:05,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 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 542 [2021-10-16 03:09:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:09:05,610 INFO L225 Difference]: With dead ends: 26167 [2021-10-16 03:09:05,610 INFO L226 Difference]: Without dead ends: 16309 [2021-10-16 03:09:05,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3250 GetRequests, 3242 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 389.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-16 03:09:05,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16309 states. [2021-10-16 03:09:06,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16309 to 15126. [2021-10-16 03:09:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15126 states, 15125 states have (on average 1.2341818181818183) internal successors, (18667), 15125 states have internal predecessors, (18667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:06,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15126 states to 15126 states and 18667 transitions. [2021-10-16 03:09:06,248 INFO L78 Accepts]: Start accepts. Automaton has 15126 states and 18667 transitions. Word has length 542 [2021-10-16 03:09:06,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:09:06,249 INFO L470 AbstractCegarLoop]: Abstraction has 15126 states and 18667 transitions. [2021-10-16 03:09:06,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:06,249 INFO L276 IsEmpty]: Start isEmpty. Operand 15126 states and 18667 transitions. [2021-10-16 03:09:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-10-16 03:09:06,268 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:09:06,269 INFO L512 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 19, 19, 17, 17, 15, 13, 13, 11, 11, 9, 9, 9, 9, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-16 03:09:06,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-10-16 03:09:06,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-16 03:09:06,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2021-10-16 03:09:06,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 03:09:06,882 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:09:06,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:09:06,882 INFO L82 PathProgramCache]: Analyzing trace with hash -965285211, now seen corresponding path program 1 times [2021-10-16 03:09:06,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:09:06,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576255463] [2021-10-16 03:09:06,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:06,883 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:09:06,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:09:06,884 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:09:06,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-10-16 03:09:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:11,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:11,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:12,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:13,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:09:13,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576255463] [2021-10-16 03:09:13,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576255463] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:13,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [132957741] [2021-10-16 03:09:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:13,655 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:09:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:09:13,655 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:09:13,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2021-10-16 03:09:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:20,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:20,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:21,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:22,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [132957741] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:22,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458428921] [2021-10-16 03:09:22,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:22,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:09:22,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:09:22,427 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:09:22,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-16 03:09:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:28,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:28,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:29,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 995 proven. 12 refuted. 0 times theorem prover too weak. 2833 trivial. 0 not checked. [2021-10-16 03:09:30,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458428921] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:30,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:09:30,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 4 [2021-10-16 03:09:30,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786284736] [2021-10-16 03:09:30,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 03:09:30,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:09:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 03:09:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 03:09:30,504 INFO L87 Difference]: Start difference. First operand 15126 states and 18667 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:09:31,179 INFO L93 Difference]: Finished difference Result 30710 states and 37808 transitions. [2021-10-16 03:09:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 03:09:31,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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 555 [2021-10-16 03:09:31,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:09:31,197 INFO L225 Difference]: With dead ends: 30710 [2021-10-16 03:09:31,197 INFO L226 Difference]: Without dead ends: 14590 [2021-10-16 03:09:31,207 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3326 GetRequests, 3323 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-16 03:09:31,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14590 states. [2021-10-16 03:09:31,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14590 to 14590. [2021-10-16 03:09:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14589 states have (on average 1.2242100212488862) internal successors, (17860), 14589 states have internal predecessors, (17860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 17860 transitions. [2021-10-16 03:09:31,793 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 17860 transitions. Word has length 555 [2021-10-16 03:09:31,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:09:31,794 INFO L470 AbstractCegarLoop]: Abstraction has 14590 states and 17860 transitions. [2021-10-16 03:09:31,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 17860 transitions. [2021-10-16 03:09:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-10-16 03:09:31,811 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:09:31,811 INFO L512 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 18, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:09:31,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-10-16 03:09:32,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2021-10-16 03:09:32,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-10-16 03:09:32,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:09:32,413 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:09:32,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:09:32,414 INFO L82 PathProgramCache]: Analyzing trace with hash 744044369, now seen corresponding path program 1 times [2021-10-16 03:09:32,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:09:32,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293936286] [2021-10-16 03:09:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:32,415 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:09:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:09:32,416 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:09:32,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-10-16 03:09:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:37,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:37,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:38,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:40,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 03:09:40,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293936286] [2021-10-16 03:09:40,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293936286] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:40,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [511908766] [2021-10-16 03:09:40,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:40,010 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 03:09:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 03:09:40,011 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 03:09:40,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-10-16 03:09:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:47,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:47,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:48,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:49,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [511908766] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:49,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108294878] [2021-10-16 03:09:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:09:49,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 03:09:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:09:49,872 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 03:09:49,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-16 03:09:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:09:56,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 03:09:56,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 03:09:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:57,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 03:09:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4111 backedges. 1339 proven. 17 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2021-10-16 03:09:59,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108294878] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 03:09:59,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 03:09:59,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 6 [2021-10-16 03:09:59,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834820287] [2021-10-16 03:09:59,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 03:09:59,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 03:09:59,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 03:09:59,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 03:09:59,040 INFO L87 Difference]: Start difference. First operand 14590 states and 17860 transitions. Second operand has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:09:59,629 INFO L93 Difference]: Finished difference Result 19536 states and 23881 transitions. [2021-10-16 03:09:59,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 03:09:59,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 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 585 [2021-10-16 03:09:59,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:09:59,630 INFO L225 Difference]: With dead ends: 19536 [2021-10-16 03:09:59,630 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 03:09:59,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3510 GetRequests, 3503 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 51.7ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-16 03:09:59,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 03:09:59,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 03:09:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 03:09:59,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 585 [2021-10-16 03:09:59,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:09:59,641 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 03:09:59,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.333333333333336) internal successors, (230), 6 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 03:09:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 03:09:59,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 03:09:59,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:09:59,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-10-16 03:09:59,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2021-10-16 03:10:00,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-10-16 03:10:00,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:10:00,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 03:10:00,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:00,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:01,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:02,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:03,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 03:10:21,685 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 658) no Hoare annotation was computed. [2021-10-16 03:10:21,685 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-10-16 03:10:21,685 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 655) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L565-2(lines 565 569) no Hoare annotation was computed. [2021-10-16 03:10:21,686 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 597) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 608) no Hoare annotation was computed. [2021-10-16 03:10:21,687 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 619) no Hoare annotation was computed. [2021-10-16 03:10:21,688 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 103 660) the Hoare annotation is: (let ((.cse28 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (let ((.cse21 (= (_ bv8512 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (= (_ bv8482 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse18 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= (_ bv8592 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse14 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (= (_ bv8672 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse20 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= (_ bv8656 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32))) (.cse3 (not .cse6)) (.cse17 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse19 (= (_ bv8640 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= (_ bv8560 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse23 (= .cse28 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse24 (= (_ bv8528 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (= (_ bv8544 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (= (_ bv8448 32) .cse28)) (.cse11 (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= .cse28 (_ bv8496 32))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse9 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse0 .cse5 .cse6 .cse13 .cse9) (and .cse14 .cse0 .cse1 .cse6 .cse7) (and .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse6 .cse7 .cse8) (and .cse12 .cse0 .cse5 .cse6 .cse7 .cse9) (and .cse19 .cse10) (and .cse20 .cse5 .cse6) (and .cse1 .cse6 .cse16) (and .cse21 .cse6 .cse7 .cse8) (and .cse17 .cse1 .cse10) (and .cse5 .cse6 .cse13 .cse22 .cse8 .cse9) (and .cse17 .cse18 .cse6 .cse13 .cse8) (and .cse4 .cse3 .cse8) (and .cse23 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse17 .cse11 .cse6 .cse13 .cse8) (and .cse24 .cse10) (and .cse21 .cse6 .cse13 .cse8) (and .cse17 .cse23 .cse6 .cse13 .cse8) (and .cse4 .cse10 .cse6) (and .cse17 .cse6 .cse25 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse15 .cse10 .cse16) (and .cse26 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse16) (and .cse12 .cse10) (and .cse17 .cse18 .cse10) (and .cse14 .cse0 .cse23 .cse6 .cse13) (and .cse5 .cse6 .cse25 .cse13 .cse8 .cse9) (and .cse10 .cse22) (and .cse27 .cse6 .cse13 .cse8) (and .cse10 .cse25) (and .cse10 .cse26) (and .cse17 .cse6 .cse22 .cse7 .cse8) (and .cse14 .cse1 .cse10) (and .cse24 .cse6 .cse13 .cse8) (and .cse12 .cse0 .cse3) (and .cse20 .cse10) (and .cse27 .cse10) (and .cse0 .cse20 .cse2) (and .cse4 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse0 .cse19 .cse2 .cse3) (and .cse17 .cse1 .cse6 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse27 .cse6 .cse7 .cse8) (and .cse10 .cse23) (and .cse10 .cse13) (and .cse24 .cse6 .cse7 .cse8) (and (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv0 32))) (and .cse26 .cse6 .cse13 .cse8) (and .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2021-10-16 03:10:21,688 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 669) no Hoare annotation was computed. [2021-10-16 03:10:21,688 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 641) no Hoare annotation was computed. [2021-10-16 03:10:21,689 INFO L857 garLoopResultBuilder]: For program point L665-2(lines 665 669) no Hoare annotation was computed. [2021-10-16 03:10:21,689 INFO L857 garLoopResultBuilder]: For program point L632-2(lines 631 653) no Hoare annotation was computed. [2021-10-16 03:10:21,689 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-16 03:10:21,689 INFO L857 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-10-16 03:10:21,689 INFO L853 garLoopResultBuilder]: At program point L170(lines 169 608) the Hoare annotation is: (let ((.cse12 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse3 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse6 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse4 (= .cse12 (_ bv8496 32))) (.cse11 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse9 (= .cse12 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= (_ bv8448 32) .cse12))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32)) (not .cse2)) (and .cse3 .cse0 .cse1 .cse2 .cse4) (and .cse1 .cse2 .cse5) (and .cse6 .cse1 .cse7) (and .cse3 .cse1 .cse7 .cse8) (and .cse6 .cse9 .cse2 .cse10 .cse11) (and .cse3 .cse0 .cse9 .cse2 .cse10) (and .cse1 .cse7 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse4 .cse11) (and .cse7 .cse9 .cse10)))) [2021-10-16 03:10:21,690 INFO L853 garLoopResultBuilder]: At program point L137(lines 130 621) the Hoare annotation is: (let ((.cse5 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse8 (= (_ bv8448 32) .cse5))) (let ((.cse3 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse8)) (.cse4 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) .cse3 .cse4 (= .cse5 (_ bv8496 32)) .cse6 .cse7 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv0 32)) (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse1 .cse2 .cse4 .cse6) (and (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse3 .cse8 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse4 .cse6))))) [2021-10-16 03:10:21,690 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-16 03:10:21,690 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 638) no Hoare annotation was computed. [2021-10-16 03:10:21,690 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 596) no Hoare annotation was computed. [2021-10-16 03:10:21,690 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 607) no Hoare annotation was computed. [2021-10-16 03:10:21,690 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 618) no Hoare annotation was computed. [2021-10-16 03:10:21,691 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 629) no Hoare annotation was computed. [2021-10-16 03:10:21,691 INFO L853 garLoopResultBuilder]: At program point L206(lines 202 597) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse11))) (let ((.cse5 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse6 (= .cse11 (_ bv8496 32)) .cse7 .cse12) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse9 .cse10 .cse13 .cse6 .cse7 .cse12) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 (not .cse10)))))) [2021-10-16 03:10:21,691 INFO L860 garLoopResultBuilder]: At program point L107(lines 106 629) the Hoare annotation is: true [2021-10-16 03:10:21,691 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-10-16 03:10:21,691 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-10-16 03:10:21,691 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-16 03:10:21,692 INFO L853 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,692 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-10-16 03:10:21,692 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 595) no Hoare annotation was computed. [2021-10-16 03:10:21,692 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 606) no Hoare annotation was computed. [2021-10-16 03:10:21,692 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 617) no Hoare annotation was computed. [2021-10-16 03:10:21,693 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 628) no Hoare annotation was computed. [2021-10-16 03:10:21,693 INFO L853 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,693 INFO L860 garLoopResultBuilder]: At program point L209(lines 208 595) the Hoare annotation is: true [2021-10-16 03:10:21,693 INFO L853 garLoopResultBuilder]: At program point L176(lines 172 607) the Hoare annotation is: (let ((.cse12 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse7 (= (_ bv8448 32) .cse12))) (let ((.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse10 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse11 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse7)) (.cse1 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse13 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse8 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse6 .cse8 (= .cse12 (_ bv8496 32)) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse13 .cse8 .cse9) (and .cse3 .cse4 .cse13 (= .cse12 ULTIMATE.start_ssl3_accept_~s__state~0) .cse8 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse7 .cse8 .cse9))))) [2021-10-16 03:10:21,693 INFO L853 garLoopResultBuilder]: At program point L143(lines 139 618) the Hoare annotation is: (let ((.cse5 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse0 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse7 (= .cse5 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (= .cse5 (_ bv8496 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= (_ bv8448 32) .cse5) .cse6) (and .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0) (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse6 .cse8)))) [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L77(lines 77 85) no Hoare annotation was computed. [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 605) no Hoare annotation was computed. [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 616) no Hoare annotation was computed. [2021-10-16 03:10:21,694 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 627) no Hoare annotation was computed. [2021-10-16 03:10:21,695 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 585) no Hoare annotation was computed. [2021-10-16 03:10:21,695 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 575 585) no Hoare annotation was computed. [2021-10-16 03:10:21,695 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-10-16 03:10:21,695 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-10-16 03:10:21,695 INFO L860 garLoopResultBuilder]: At program point L212(lines 211 594) the Hoare annotation is: true [2021-10-16 03:10:21,695 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-16 03:10:21,696 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 77 85) no Hoare annotation was computed. [2021-10-16 03:10:21,696 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-16 03:10:21,696 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2021-10-16 03:10:21,696 INFO L860 garLoopResultBuilder]: At program point L676(lines 68 678) the Hoare annotation is: true [2021-10-16 03:10:21,696 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 649) no Hoare annotation was computed. [2021-10-16 03:10:21,696 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 549) no Hoare annotation was computed. [2021-10-16 03:10:21,697 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 604) no Hoare annotation was computed. [2021-10-16 03:10:21,697 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 615) no Hoare annotation was computed. [2021-10-16 03:10:21,697 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 626) no Hoare annotation was computed. [2021-10-16 03:10:21,697 INFO L860 garLoopResultBuilder]: At program point L677(lines 11 679) the Hoare annotation is: true [2021-10-16 03:10:21,697 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-10-16 03:10:21,697 INFO L853 garLoopResultBuilder]: At program point L182(lines 178 605) the Hoare annotation is: (let ((.cse8 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse11 (= (_ bv8448 32) .cse8))) (let ((.cse5 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= .cse8 (_ bv8496 32)) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) .cse6 .cse11 .cse7 .cse9 .cse10 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0))))))) [2021-10-16 03:10:21,697 INFO L853 garLoopResultBuilder]: At program point L149(lines 145 616) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,698 INFO L860 garLoopResultBuilder]: At program point L216(lines 109 628) the Hoare annotation is: true [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 603) no Hoare annotation was computed. [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 614) no Hoare annotation was computed. [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 625) no Hoare annotation was computed. [2021-10-16 03:10:21,698 INFO L857 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L853 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point L351-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,699 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 95) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 68 678) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 602) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 613) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 624) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 225) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L853 garLoopResultBuilder]: At program point L188(lines 184 603) the Hoare annotation is: (let ((.cse2 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse5 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse10 (= (_ bv8448 32) .cse2)) (.cse11 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse4 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0) (= .cse2 (_ bv8496 32)) .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse10) (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse11 .cse12) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse3 .cse4)))) [2021-10-16 03:10:21,700 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 614) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-10-16 03:10:21,700 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 601) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 612) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 623) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L554(lines 554 558) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L853 garLoopResultBuilder]: At program point L125(lines 121 624) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (= (_ bv8448 32) (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))))) (.cse5 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5))) [2021-10-16 03:10:21,701 INFO L853 garLoopResultBuilder]: At program point L555(lines 68 678) the Hoare annotation is: false [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 272) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 600) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 611) no Hoare annotation was computed. [2021-10-16 03:10:21,701 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 622) no Hoare annotation was computed. [2021-10-16 03:10:21,702 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 03:10:21,702 INFO L860 garLoopResultBuilder]: At program point L689(lines 680 691) the Hoare annotation is: true [2021-10-16 03:10:21,702 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-10-16 03:10:21,702 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-10-16 03:10:21,702 INFO L857 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-10-16 03:10:21,702 INFO L853 garLoopResultBuilder]: At program point L194(lines 190 601) the Hoare annotation is: (let ((.cse10 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse10))) (let ((.cse8 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse5 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse11 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32)) .cse5 .cse6 (not .cse7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse9 .cse7 .cse5 (= .cse10 (_ bv8496 32)) .cse6 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse7 .cse13 .cse5 .cse6 .cse11 .cse12))))) [2021-10-16 03:10:21,703 INFO L853 garLoopResultBuilder]: At program point L161(lines 157 612) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,703 INFO L853 garLoopResultBuilder]: At program point L128(lines 127 622) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32))) (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse5 .cse6))) [2021-10-16 03:10:21,703 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 530) no Hoare annotation was computed. [2021-10-16 03:10:21,704 INFO L853 garLoopResultBuilder]: At program point L592(lines 103 660) the Hoare annotation is: (let ((.cse28 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0))) (.cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32)))) (let ((.cse21 (= (_ bv8512 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse15 (= (_ bv8482 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse16 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8482 32))) (.cse18 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse25 (= (_ bv8608 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (= (_ bv8592 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse14 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse12 (= (_ bv8672 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse20 (= (_ bv3 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse4 (= (_ bv8656 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8640 32))) (.cse3 (not .cse6)) (.cse17 (= (_ bv8576 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse1 (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse19 (= (_ bv8640 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= (_ bv8560 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse23 (= .cse28 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32))) (.cse24 (= (_ bv8528 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (= (_ bv8544 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (= (_ bv8448 32) .cse28)) (.cse11 (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse7 (= .cse28 (_ bv8496 32))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse9 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse11) (and .cse12 .cse0 .cse5 .cse6 .cse13 .cse9) (and .cse14 .cse0 .cse1 .cse6 .cse7) (and .cse15 .cse6 .cse16) (and .cse17 .cse18 .cse6 .cse7 .cse8) (and .cse12 .cse0 .cse5 .cse6 .cse7 .cse9) (and .cse19 .cse10) (and .cse20 .cse5 .cse6) (and .cse1 .cse6 .cse16) (and .cse21 .cse6 .cse7 .cse8) (and .cse17 .cse1 .cse10) (and .cse5 .cse6 .cse13 .cse22 .cse8 .cse9) (and .cse17 .cse18 .cse6 .cse13 .cse8) (and .cse4 .cse3 .cse8) (and .cse23 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse17 .cse11 .cse6 .cse13 .cse8) (and .cse24 .cse10) (and .cse21 .cse6 .cse13 .cse8) (and .cse17 .cse23 .cse6 .cse13 .cse8) (and .cse4 .cse10 .cse6) (and .cse17 .cse6 .cse25 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse15 .cse10 .cse16) (and .cse26 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse16) (and .cse12 .cse10) (and .cse17 .cse18 .cse10) (and .cse14 .cse0 .cse23 .cse6 .cse13) (and .cse5 .cse6 .cse25 .cse13 .cse8 .cse9) (and .cse10 .cse22) (and .cse27 .cse6 .cse13 .cse8) (and .cse10 .cse25) (and .cse10 .cse26) (and .cse17 .cse6 .cse22 .cse7 .cse8) (and .cse14 .cse1 .cse10) (and .cse24 .cse6 .cse13 .cse8) (and .cse12 .cse0 .cse3) (and .cse20 .cse10) (and .cse27 .cse10) (and .cse0 .cse20 .cse2) (and .cse4 .cse5 .cse6 .cse13 .cse8 .cse9) (and .cse0 .cse19 .cse2 .cse3) (and .cse17 .cse1 .cse6 .cse7 .cse8) (and .cse19 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse27 .cse6 .cse7 .cse8) (and .cse10 .cse23) (and .cse10 .cse13) (and .cse24 .cse6 .cse7 .cse8) (and .cse26 .cse6 .cse13 .cse8) (and .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)))) [2021-10-16 03:10:21,704 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-10-16 03:10:21,704 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-10-16 03:10:21,704 INFO L857 garLoopResultBuilder]: For program point L295-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,704 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 599) no Hoare annotation was computed. [2021-10-16 03:10:21,704 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 610) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 621) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 672) no Hoare annotation was computed. [2021-10-16 03:10:21,705 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-10-16 03:10:21,706 INFO L860 garLoopResultBuilder]: At program point L661(lines 102 662) the Hoare annotation is: true [2021-10-16 03:10:21,706 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 598) no Hoare annotation was computed. [2021-10-16 03:10:21,706 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 609) no Hoare annotation was computed. [2021-10-16 03:10:21,706 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 620) no Hoare annotation was computed. [2021-10-16 03:10:21,706 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-10-16 03:10:21,706 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-10-16 03:10:21,707 INFO L853 garLoopResultBuilder]: At program point L200(lines 196 599) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse13 (= (_ bv8448 32) .cse11))) (let ((.cse9 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse13)) (.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv4 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (.cse2 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 (_ bv8496 32)))) (.cse6 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse12 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse6 (= .cse11 (_ bv8496 32)) .cse7 .cse8 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse10 .cse13 .cse6 .cse7 .cse8 .cse12))))) [2021-10-16 03:10:21,707 INFO L853 garLoopResultBuilder]: At program point L167(lines 163 610) the Hoare annotation is: (let ((.cse11 (bvadd (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_Y~0) (bvmul (_ bv2 32) ULTIMATE.start_ssl3_accept_~ag_X~0)))) (let ((.cse6 (= (_ bv8448 32) .cse11))) (let ((.cse0 (not (= (_ bv8497 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= (_ bv8465 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= (_ bv8464 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= (_ bv8466 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= (_ bv8481 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (or (not (= (_ bv8448 32) ULTIMATE.start_ssl3_accept_~s__state~0)) .cse6)) (.cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 (_ bv0 32))) (.cse7 (not (= (_ bv8480 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= (_ bv8496 32) ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (= (_ bv2 32) ULTIMATE.start_ssl3_accept_~blastFlag~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 (_ bv1 32)) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 .cse7 (= .cse11 (_ bv8496 32)) .cse8 .cse9))))) [2021-10-16 03:10:21,707 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 213 591) no Hoare annotation was computed. [2021-10-16 03:10:21,712 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:10:21,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:10:21 BoogieIcfgContainer [2021-10-16 03:10:21,804 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:10:21,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:10:21,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:10:21,805 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:10:21,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:46" (3/4) ... [2021-10-16 03:10:21,808 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:10:21,830 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 03:10:21,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 03:10:21,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:10:21,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:10:21,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:10:21,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:10:21,977 INFO L168 Benchmark]: Toolchain (without parser) took 216650.94 ms. Allocated memory was 62.9 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 42.9 MB in the beginning and 226.1 MB in the end (delta: -183.2 MB). Peak memory consumption was 874.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,977 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:10:21,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.19 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 27.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.97 ms. Allocated memory is still 62.9 MB. Free memory was 27.2 MB in the beginning and 45.7 MB in the end (delta: -18.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,979 INFO L168 Benchmark]: Boogie Preprocessor took 94.61 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 43.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,980 INFO L168 Benchmark]: RCFGBuilder took 835.07 ms. Allocated memory was 62.9 MB in the beginning and 104.9 MB in the end (delta: 41.9 MB). Free memory was 43.5 MB in the beginning and 81.2 MB in the end (delta: -37.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,980 INFO L168 Benchmark]: TraceAbstraction took 214901.87 ms. Allocated memory was 104.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 80.5 MB in the beginning and 240.8 MB in the end (delta: -160.2 MB). Peak memory consumption was 890.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,980 INFO L168 Benchmark]: Witness Printer took 170.61 ms. Allocated memory is still 1.1 GB. Free memory was 240.8 MB in the beginning and 226.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:10:21,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 43.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.19 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 27.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.97 ms. Allocated memory is still 62.9 MB. Free memory was 27.2 MB in the beginning and 45.7 MB in the end (delta: -18.5 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.61 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 43.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 835.07 ms. Allocated memory was 62.9 MB in the beginning and 104.9 MB in the end (delta: 41.9 MB). Free memory was 43.5 MB in the beginning and 81.2 MB in the end (delta: -37.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 214901.87 ms. Allocated memory was 104.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 80.5 MB in the beginning and 240.8 MB in the end (delta: -160.2 MB). Peak memory consumption was 890.2 MB. Max. memory is 16.1 GB. * Witness Printer took 170.61 ms. Allocated memory is still 1.1 GB. Free memory was 240.8 MB in the beginning and 226.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 672]: 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, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 214718.0ms, OverallIterations: 24, TraceHistogramMax: 21, EmptinessCheckTime: 289.7ms, AutomataDifference: 11776.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21426.2ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5148 SDtfs, 3721 SDslu, 4778 SDs, 0 SdLazy, 4541 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5999.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27077 GetRequests, 27006 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1034.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15126occurred in iteration=22, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4674.4ms AutomataMinimizationTime, 24 MinimizatonAttempts, 9770 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 716 NumberOfFragments, 4576 HoareAnnotationTreeSize, 29 FomulaSimplifications, 157503 FormulaSimplificationTreeSizeReduction, 3697.5ms HoareSimplificationTime, 29 FomulaSimplificationsInter, 107447 FormulaSimplificationTreeSizeReductionInter, 17705.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 698.5ms SsaConstructionTime, 3764.9ms SatisfiabilityAnalysisTime, 73215.7ms InterpolantComputationTime, 13564 NumberOfCodeBlocks, 13564 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 27052 ConstructedInterpolants, 42 QuantifiedInterpolants, 57811 SizeOfPredicates, 37 NumberOfNonLiveVariables, 15755 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 76 InterpolantComputations, 36 PerfectInterpolantSequences, 136548/140100 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 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || (((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag)) || (((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((!(8464bv32 == s__state) && !(8466bv32 == s__state)) && blastFlag == 1bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8466bv32 == s__state)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8482bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8497bv32 == s__s3__tmp__next_state___0))) || (8640bv32 == s__state && blastFlag == 1bv32)) || ((3bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 8592bv32 == s__state) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && !(s__hit == 0bv32)) && 2bv32 == blastFlag)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8466bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (8528bv32 == s__state && blastFlag == 1bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && blastFlag == 1bv32) && s__hit == 0bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((8482bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8448bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (8672bv32 == s__state && blastFlag == 1bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && blastFlag == 1bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8592bv32 == s__state)) || (((8560bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && 8608bv32 == s__state)) || (blastFlag == 1bv32 && 8544bv32 == s__state)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8592bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((8528bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__hit == 0bv32))) || (3bv32 == s__state && blastFlag == 1bv32)) || (8560bv32 == s__state && blastFlag == 1bv32)) || ((!(4bv32 == blastFlag) && 3bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((!(4bv32 == blastFlag) && 8640bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((8560bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state)) || (blastFlag == 1bv32 && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8528bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((8544bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (((((8466bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8496bv32 == s__state)) || ((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8496bv32 == s__state)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) || (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8466bv32 == s__state)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8482bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8497bv32 == s__s3__tmp__next_state___0))) || (8640bv32 == s__state && blastFlag == 1bv32)) || ((3bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 8592bv32 == s__state) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && !(s__hit == 0bv32)) && 2bv32 == blastFlag)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8466bv32 == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (8528bv32 == s__state && blastFlag == 1bv32)) || (((8512bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8656bv32 == s__state && blastFlag == 1bv32) && s__hit == 0bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8608bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((8482bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((8448bv32 == s__state && blastFlag == 1bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || (8672bv32 == s__state && blastFlag == 1bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8576bv32 == s__state) && blastFlag == 1bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((((!(s__s3__tmp__next_state___0 == 8496bv32) && s__hit == 0bv32) && 8608bv32 == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (blastFlag == 1bv32 && 8592bv32 == s__state)) || (((8560bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && 8608bv32 == s__state)) || (blastFlag == 1bv32 && 8544bv32 == s__state)) || ((((8576bv32 == s__s3__tmp__next_state___0 && s__hit == 0bv32) && 8592bv32 == s__state) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((8528bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((8672bv32 == s__state && !(4bv32 == blastFlag)) && !(s__hit == 0bv32))) || (3bv32 == s__state && blastFlag == 1bv32)) || (8560bv32 == s__state && blastFlag == 1bv32)) || ((!(4bv32 == blastFlag) && 3bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32)) || (((((8656bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((!(4bv32 == blastFlag) && 8640bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (((((8640bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((8560bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state)) || (blastFlag == 1bv32 && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8528bv32 == s__state && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || (8464bv32 == s__state && blastFlag == 0bv32)) || (((8544bv32 == s__state && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || (((((8466bv32 == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) || (((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && blastFlag == 0bv32) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8481bv32 == s__state)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag)) || (((((!(8497bv32 == s__state) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && s__s3__tmp__next_state___0 == 8640bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) || ((((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((((!(8465bv32 == s__state) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) || (((((~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((!(8465bv32 == s__state) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && blastFlag == 1bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((((((!(4bv32 == blastFlag) && 8448bv32 == s__state) && s__s3__tmp__next_state___0 == 8640bv32) && !(s__hit == 0bv32)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32)) || ((8448bv32 == s__state && s__hit == 0bv32) && s__s3__tmp__next_state___0 == 8482bv32)) || ((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32)) || (((3bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && blastFlag == 1bv32) && !(s__s3__tmp__next_state___0 == 8496bv32))) || ((((8576bv32 == s__s3__tmp__next_state___0 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && 2bv32 == blastFlag)) || ((((3bv32 == s__s3__tmp__next_state___0 && !(4bv32 == blastFlag)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) || (((8448bv32 == s__state && blastFlag == 1bv32) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__s3__tmp__next_state___0 == 8482bv32)) || ((((8576bv32 == s__s3__tmp__next_state___0 && 8448bv32 == s__state) && s__hit == 0bv32) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && 2bv32 == blastFlag)) || ((blastFlag == 1bv32 && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == s__state) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((((8576bv32 == s__s3__tmp__next_state___0 && !(8497bv32 == s__state)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) || ((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state))) || (((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && 2bv32 == blastFlag) && !(8497bv32 == s__s3__tmp__next_state___0)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((!(8497bv32 == s__state) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && blastFlag == 1bv32) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) || ((((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && (!(8448bv32 == s__state) || 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)))) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && !(8480bv32 == s__state)) && ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X)) == 8496bv32) && !(8496bv32 == s__state)) && !(8497bv32 == s__s3__tmp__next_state___0))) || (((((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8496bv32)) && s__hit == 0bv32) && 8448bv32 == ~bvadd64(~bvmul32(2bv32, ag_Y), ~bvmul32(2bv32, ag_X))) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(8497bv32 == s__s3__tmp__next_state___0))) || ((((((((!(8497bv32 == s__state) && !(4bv32 == blastFlag)) && !(8465bv32 == s__state)) && !(8464bv32 == s__state)) && !(8466bv32 == s__state)) && !(8481bv32 == s__state)) && !(8480bv32 == s__state)) && !(8496bv32 == s__state)) && !(s__hit == 0bv32)) RESULT: Ultimate proved your program to be correct! [2021-10-16 03:10:22,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bb6c25-993e-445a-bf4d-5b2fbcd7bf1d/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...