./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan --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 3808230b17819829b203d43e58286e2ab09d9efb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan --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 3808230b17819829b203d43e58286e2ab09d9efb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:42:57,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:42:57,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:42:57,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:42:57,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:42:57,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:42:57,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:42:57,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:42:57,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:42:57,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:42:57,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:42:57,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:42:57,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:42:57,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:42:57,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:42:57,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:42:57,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:42:57,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:42:57,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:42:57,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:42:57,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:42:57,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:42:57,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:42:57,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:42:57,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:42:57,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:42:57,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:42:57,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:42:57,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:42:57,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:42:57,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:42:57,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:42:57,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:42:57,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:42:57,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:42:57,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:42:57,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:42:57,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:42:57,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:42:57,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:42:57,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:42:57,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 20:42:57,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:42:57,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:42:57,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:42:57,708 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:42:57,708 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:42:57,708 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:42:57,708 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 20:42:57,708 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:42:57,709 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 20:42:57,709 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 20:42:57,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:42:57,710 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:42:57,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:42:57,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:42:57,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:42:57,712 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:42:57,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:42:57,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:42:57,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:42:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:42:57,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:42:57,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:42:57,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:42:57,713 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 20:42:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 20:42:57,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:42:57,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:42:57,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:42:57,714 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-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3808230b17819829b203d43e58286e2ab09d9efb [2020-12-09 20:42:57,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:42:57,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:42:57,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:42:57,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:42:57,921 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:42:57,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label17.c [2020-12-09 20:42:57,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/8ed128a92/71c1cd7fe63e4882abbc411222b619a7/FLAG88ef2b61e [2020-12-09 20:42:58,439 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:42:58,440 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c [2020-12-09 20:42:58,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/8ed128a92/71c1cd7fe63e4882abbc411222b619a7/FLAG88ef2b61e [2020-12-09 20:42:58,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/8ed128a92/71c1cd7fe63e4882abbc411222b619a7 [2020-12-09 20:42:58,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:42:58,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:42:58,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:42:58,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:42:58,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:42:58,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:42:58" (1/1) ... [2020-12-09 20:42:58,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4809ba19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:58, skipping insertion in model container [2020-12-09 20:42:58,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:42:58" (1/1) ... [2020-12-09 20:42:58,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:42:58,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:42:58,680 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c[6102,6115] [2020-12-09 20:42:58,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:42:58,938 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:42:58,957 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c[6102,6115] [2020-12-09 20:42:59,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:42:59,112 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:42:59,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59 WrapperNode [2020-12-09 20:42:59,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:42:59,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:42:59,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:42:59,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:42:59,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:42:59,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:42:59,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:42:59,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:42:59,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... [2020-12-09 20:42:59,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:42:59,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:42:59,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:42:59,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:42:59,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:42:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 20:42:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:42:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:42:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:43:54,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:43:54,877 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 20:43:54,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:43:54 BoogieIcfgContainer [2020-12-09 20:43:54,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:43:54,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:43:54,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:43:54,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:43:54,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:42:58" (1/3) ... [2020-12-09 20:43:54,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b4f20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:43:54, skipping insertion in model container [2020-12-09 20:43:54,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:42:59" (2/3) ... [2020-12-09 20:43:54,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b4f20a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:43:54, skipping insertion in model container [2020-12-09 20:43:54,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:43:54" (3/3) ... [2020-12-09 20:43:54,884 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label17.c [2020-12-09 20:43:54,893 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:43:54,896 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 20:43:54,903 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 20:43:54,918 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:43:54,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:43:54,919 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:43:54,919 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:43:54,919 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:43:54,919 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:43:54,919 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:43:54,919 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:43:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 20:43:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 20:43:54,929 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:43:54,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 20:43:54,930 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:43:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:43:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1732965041, now seen corresponding path program 1 times [2020-12-09 20:43:54,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:43:54,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819401813] [2020-12-09 20:43:54,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:43:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:43:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:43:55,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819401813] [2020-12-09 20:43:55,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:43:55,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:43:55,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221184339] [2020-12-09 20:43:55,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:43:55,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 20:43:55,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:43:55,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:43:55,113 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 20:43:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:43:55,289 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 20:43:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:43:55,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 20:43:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:43:55,296 INFO L225 Difference]: With dead ends: 23 [2020-12-09 20:43:55,297 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 20:43:55,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 20:43:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 20:43:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 20:43:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 20:43:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 20:43:55,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 20:43:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:43:55,319 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 20:43:55,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:43:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 20:43:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 20:43:55,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:43:55,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 20:43:55,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 20:43:55,320 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:43:55,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:43:55,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1962740888, now seen corresponding path program 1 times [2020-12-09 20:43:55,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 20:43:55,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189904980] [2020-12-09 20:43:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 20:43:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:43:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:43:56,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189904980] [2020-12-09 20:43:56,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158493436] [2020-12-09 20:43:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:43:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:43:56,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 20:43:56,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:43:56,558 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 2840 DAG size of output: 149 [2020-12-09 20:43:56,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,610 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,612 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,620 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,642 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,645 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,651 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,654 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,661 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 20:43:56,669 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,684 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,688 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,709 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,715 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,727 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 20:43:56,734 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 20:43:56,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 20:43:56,757 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 9, 5, 5, 5, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 20:43:56,757 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 20:43:56,759 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 5, 5, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 20:43:56,760 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 20:43:56,760 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 5, 3, 5, 2, 5, 1] term [2020-12-09 20:43:56,760 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 20:43:56,761 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 5, 2, 5, 1] term [2020-12-09 20:43:56,761 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 20:43:56,761 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-12-09 20:43:56,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 20:43:56,955 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-09 20:43:56,968 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 7, 4, 1] term [2020-12-09 20:43:56,968 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 20:43:56,969 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 20:43:57,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:43:57,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:43:59,419 WARN L197 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 6813 DAG size of output: 2647 [2020-12-09 20:43:59,492 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 20, 6, 8, 5, 8, 5, 8, 5, 8, 6, 8, 5, 13, 6, 3, 4, 3, 2, 2, 2, 3, 2, 1] term [2020-12-09 20:43:59,492 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,494 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 5, 8, 5, 8, 5, 8, 6, 8, 5, 13, 6, 3, 4, 3, 2, 2, 2, 3, 2, 1] term [2020-12-09 20:43:59,494 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,497 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 5, 8, 5, 8, 6, 8, 5, 13, 6, 3, 4, 3, 2, 2, 2, 3, 2, 1] term [2020-12-09 20:43:59,497 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,499 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 5, 8, 6, 8, 5, 13, 6, 3, 4, 3, 2, 2, 2, 3, 2, 1] term [2020-12-09 20:43:59,499 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,501 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 6, 8, 5, 13, 6, 3, 4, 3, 2, 2, 2, 3, 2, 1] term [2020-12-09 20:43:59,501 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,503 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 5, 13, 6, 3, 4, 1] term [2020-12-09 20:43:59,503 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,504 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 13, 6, 3, 4, 1] term [2020-12-09 20:43:59,504 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:43:59,522 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 20:43:59,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1350130652] [2020-12-09 20:43:59,541 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 20:43:59,542 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 20:43:59,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 20:43:59,551 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 20:43:59,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 20:43:59,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2020-12-09 20:44:00,818 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 53 [2020-12-09 20:44:08,987 WARN L197 SmtUtils]: Spent 6.93 s on a formula simplification. DAG size of input: 7871 DAG size of output: 7535 [2020-12-09 20:44:41,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 20:44:41,910 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) 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.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) 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:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) [2020-12-09 20:44:41,928 INFO L168 Benchmark]: Toolchain (without parser) took 103460.51 ms. Allocated memory was 92.3 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 69.4 MB in the beginning and 1.0 GB in the end (delta: -976.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,928 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:44:41,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 59.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.33 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 35.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,930 INFO L168 Benchmark]: Boogie Preprocessor took 129.84 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 35.7 MB in the beginning and 65.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,931 INFO L168 Benchmark]: RCFGBuilder took 55536.47 ms. Allocated memory was 119.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 65.1 MB in the beginning and 720.8 MB in the end (delta: -655.7 MB). Peak memory consumption was 960.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,931 INFO L168 Benchmark]: TraceAbstraction took 47045.84 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 543.2 MB). Free memory was 720.8 MB in the beginning and 1.0 GB in the end (delta: -325.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-09 20:44:41,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory is still 68.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 646.11 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 59.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.33 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 35.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.84 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 35.7 MB in the beginning and 65.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 55536.47 ms. Allocated memory was 119.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 65.1 MB in the beginning and 720.8 MB in the end (delta: -655.7 MB). Peak memory consumption was 960.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 47045.84 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 543.2 MB). Free memory was 720.8 MB in the beginning and 1.0 GB in the end (delta: -325.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 20:44:43,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 20:44:43,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 20:44:43,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 20:44:43,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 20:44:43,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 20:44:43,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 20:44:43,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 20:44:43,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 20:44:43,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 20:44:43,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 20:44:43,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 20:44:43,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 20:44:43,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 20:44:43,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 20:44:43,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 20:44:43,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 20:44:43,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 20:44:43,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 20:44:43,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 20:44:43,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 20:44:43,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 20:44:43,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 20:44:43,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 20:44:43,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 20:44:43,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 20:44:43,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 20:44:43,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 20:44:43,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 20:44:43,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 20:44:43,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 20:44:43,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 20:44:43,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 20:44:43,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 20:44:43,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 20:44:43,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 20:44:43,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 20:44:43,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 20:44:43,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 20:44:43,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 20:44:43,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 20:44:43,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 20:44:43,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 20:44:43,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 20:44:43,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 20:44:43,593 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 20:44:43,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 20:44:43,593 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 20:44:43,594 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 20:44:43,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 20:44:43,594 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 20:44:43,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 20:44:43,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 20:44:43,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 20:44:43,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 20:44:43,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:44:43,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 20:44:43,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 20:44:43,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 20:44:43,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 20:44:43,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 20:44:43,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 20:44:43,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 20:44:43,597 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-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3808230b17819829b203d43e58286e2ab09d9efb [2020-12-09 20:44:43,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 20:44:43,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 20:44:43,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 20:44:43,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 20:44:43,842 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 20:44:43,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label17.c [2020-12-09 20:44:43,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/904523edf/a7b203a7c90a456cb2d2a9f3d5b0b308/FLAGa08b05bd6 [2020-12-09 20:44:44,358 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 20:44:44,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c [2020-12-09 20:44:44,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/904523edf/a7b203a7c90a456cb2d2a9f3d5b0b308/FLAGa08b05bd6 [2020-12-09 20:44:44,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/data/904523edf/a7b203a7c90a456cb2d2a9f3d5b0b308 [2020-12-09 20:44:44,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 20:44:44,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 20:44:44,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 20:44:44,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 20:44:44,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 20:44:44,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:44:44" (1/1) ... [2020-12-09 20:44:44,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5c3bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:44, skipping insertion in model container [2020-12-09 20:44:44,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:44:44" (1/1) ... [2020-12-09 20:44:44,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 20:44:44,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 20:44:44,645 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c[6102,6115] [2020-12-09 20:44:44,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:44:44,942 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 20:44:44,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/sv-benchmarks/c/eca-rers2012/Problem16_label17.c[6102,6115] [2020-12-09 20:44:45,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 20:44:45,149 INFO L208 MainTranslator]: Completed translation [2020-12-09 20:44:45,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45 WrapperNode [2020-12-09 20:44:45,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 20:44:45,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 20:44:45,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 20:44:45,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 20:44:45,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 20:44:45,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 20:44:45,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 20:44:45,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 20:44:45,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... [2020-12-09 20:44:45,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 20:44:45,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 20:44:45,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 20:44:45,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 20:44:45,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 20:44:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 20:44:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 20:44:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 20:44:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 20:44:52,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 20:44:52,095 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 20:44:52,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:44:52 BoogieIcfgContainer [2020-12-09 20:44:52,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 20:44:52,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 20:44:52,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 20:44:52,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 20:44:52,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:44:44" (1/3) ... [2020-12-09 20:44:52,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271f0d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:44:52, skipping insertion in model container [2020-12-09 20:44:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:44:45" (2/3) ... [2020-12-09 20:44:52,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271f0d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:44:52, skipping insertion in model container [2020-12-09 20:44:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:44:52" (3/3) ... [2020-12-09 20:44:52,102 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label17.c [2020-12-09 20:44:52,111 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 20:44:52,114 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 20:44:52,121 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 20:44:52,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 20:44:52,140 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 20:44:52,140 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 20:44:52,140 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 20:44:52,140 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 20:44:52,140 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 20:44:52,140 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 20:44:52,140 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 20:44:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-12-09 20:44:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-09 20:44:52,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:44:52,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 20:44:52,161 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:44:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:44:52,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-12-09 20:44:52,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:44:52,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457123396] [2020-12-09 20:44:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 20:44:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:44:52,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:44:52,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:44:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:44:52,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:44:52,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [457123396] [2020-12-09 20:44:52,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:44:52,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:44:52,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001597028] [2020-12-09 20:44:52,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:44:52,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:44:52,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:44:52,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:44:52,380 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 3 states. [2020-12-09 20:45:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:02,296 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2020-12-09 20:45:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:02,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-09 20:45:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:02,315 INFO L225 Difference]: With dead ends: 1122 [2020-12-09 20:45:02,315 INFO L226 Difference]: Without dead ends: 662 [2020-12-09 20:45:02,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-09 20:45:02,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-09 20:45:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-09 20:45:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2020-12-09 20:45:02,392 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 58 [2020-12-09 20:45:02,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:02,393 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2020-12-09 20:45:02,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2020-12-09 20:45:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-09 20:45:02,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:02,398 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-09 20:45:02,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 20:45:02,600 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:02,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:02,603 INFO L82 PathProgramCache]: Analyzing trace with hash 25072138, now seen corresponding path program 1 times [2020-12-09 20:45:02,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:45:02,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214791516] [2020-12-09 20:45:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 20:45:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:02,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:45:02,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:02,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:45:02,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214791516] [2020-12-09 20:45:02,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:02,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:45:02,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88606378] [2020-12-09 20:45:02,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:02,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:45:02,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:02,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:02,814 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand 3 states. [2020-12-09 20:45:09,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:09,422 INFO L93 Difference]: Finished difference Result 1651 states and 2341 transitions. [2020-12-09 20:45:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:09,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-09 20:45:09,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:09,427 INFO L225 Difference]: With dead ends: 1651 [2020-12-09 20:45:09,427 INFO L226 Difference]: Without dead ends: 991 [2020-12-09 20:45:09,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:09,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-12-09 20:45:09,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-12-09 20:45:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-12-09 20:45:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1339 transitions. [2020-12-09 20:45:09,449 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1339 transitions. Word has length 130 [2020-12-09 20:45:09,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:09,449 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1339 transitions. [2020-12-09 20:45:09,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1339 transitions. [2020-12-09 20:45:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-09 20:45:09,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:09,451 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-09 20:45:09,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 20:45:09,653 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:09,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:09,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1185539625, now seen corresponding path program 1 times [2020-12-09 20:45:09,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:45:09,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189059124] [2020-12-09 20:45:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 20:45:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:09,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:45:09,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:09,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:45:09,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189059124] [2020-12-09 20:45:09,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:45:09,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:45:09,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671544908] [2020-12-09 20:45:09,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:45:09,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:45:09,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:45:09,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:09,865 INFO L87 Difference]: Start difference. First operand 991 states and 1339 transitions. Second operand 3 states. [2020-12-09 20:45:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:45:18,259 INFO L93 Difference]: Finished difference Result 2638 states and 3653 transitions. [2020-12-09 20:45:18,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:45:18,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-12-09 20:45:18,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:45:18,267 INFO L225 Difference]: With dead ends: 2638 [2020-12-09 20:45:18,267 INFO L226 Difference]: Without dead ends: 1978 [2020-12-09 20:45:18,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:45:18,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-12-09 20:45:18,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-12-09 20:45:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-12-09 20:45:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2428 transitions. [2020-12-09 20:45:18,296 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2428 transitions. Word has length 145 [2020-12-09 20:45:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:45:18,297 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 2428 transitions. [2020-12-09 20:45:18,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:45:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2428 transitions. [2020-12-09 20:45:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-12-09 20:45:18,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:45:18,300 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-12-09 20:45:18,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 20:45:18,501 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:45:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:45:18,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1577925469, now seen corresponding path program 1 times [2020-12-09 20:45:18,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:45:18,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307396547] [2020-12-09 20:45:18,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 20:45:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:18,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 20:45:18,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 122 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:18,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:45:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 122 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:19,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307396547] [2020-12-09 20:45:19,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1487151176] [2020-12-09 20:45:19,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:45:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:19,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 20:45:19,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:19,691 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 20:45:19,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 20:45:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 122 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:19,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:45:20,125 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 20:45:20,125 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:45:20,126 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:45:20,128 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:45:20,130 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:45:20,130 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:45:20,132 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:45:20,134 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:45:20,135 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:45:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 159 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:20,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121197717] [2020-12-09 20:45:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:45:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:45:20,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 20:45:20,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:45:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 139 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:20,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:45:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 139 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 20:45:20,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 20:45:20,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 8, 8, 5, 5] total 18 [2020-12-09 20:45:20,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254323869] [2020-12-09 20:45:20,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 20:45:20,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:45:20,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 20:45:20,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-12-09 20:45:20,772 INFO L87 Difference]: Start difference. First operand 1978 states and 2428 transitions. Second operand 18 states. [2020-12-09 20:45:21,884 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 20:45:23,658 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 20:45:26,725 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-12-09 20:45:47,542 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-12-09 20:45:50,214 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-12-09 20:45:52,198 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-09 20:46:10,858 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-12-09 20:46:12,218 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2020-12-09 20:47:04,649 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2020-12-09 20:48:43,254 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-12-09 20:48:44,476 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 20:49:38,575 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 20:51:49,255 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 20:52:06,823 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-12-09 20:52:29,301 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-09 20:53:08,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:08,860 INFO L93 Difference]: Finished difference Result 10923 states and 15488 transitions. [2020-12-09 20:53:08,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-09 20:53:08,861 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 213 [2020-12-09 20:53:08,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:08,892 INFO L225 Difference]: With dead ends: 10923 [2020-12-09 20:53:08,893 INFO L226 Difference]: Without dead ends: 7242 [2020-12-09 20:53:08,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1278 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=543, Invalid=1713, Unknown=0, NotChecked=0, Total=2256 [2020-12-09 20:53:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2020-12-09 20:53:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 5597. [2020-12-09 20:53:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-12-09 20:53:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6094 transitions. [2020-12-09 20:53:08,981 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6094 transitions. Word has length 213 [2020-12-09 20:53:08,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:08,982 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 6094 transitions. [2020-12-09 20:53:08,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 20:53:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6094 transitions. [2020-12-09 20:53:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2020-12-09 20:53:09,006 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:53:09,007 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 1, 1, 1] [2020-12-09 20:53:09,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:53:09,609 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:53:09,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:53:09,611 INFO L82 PathProgramCache]: Analyzing trace with hash -765612340, now seen corresponding path program 1 times [2020-12-09 20:53:09,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:53:09,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765841512] [2020-12-09 20:53:09,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 20:53:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:09,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 20:53:09,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-09 20:53:10,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:53:10,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765841512] [2020-12-09 20:53:10,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:53:10,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:53:10,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745256399] [2020-12-09 20:53:10,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 20:53:10,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:53:10,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 20:53:10,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:53:10,619 INFO L87 Difference]: Start difference. First operand 5597 states and 6094 transitions. Second operand 4 states. [2020-12-09 20:53:15,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:15,570 INFO L93 Difference]: Finished difference Result 10863 states and 11855 transitions. [2020-12-09 20:53:15,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:53:15,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 676 [2020-12-09 20:53:15,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:15,592 INFO L225 Difference]: With dead ends: 10863 [2020-12-09 20:53:15,592 INFO L226 Difference]: Without dead ends: 5597 [2020-12-09 20:53:15,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 673 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 20:53:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-12-09 20:53:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2020-12-09 20:53:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-12-09 20:53:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6087 transitions. [2020-12-09 20:53:15,662 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6087 transitions. Word has length 676 [2020-12-09 20:53:15,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:15,663 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 6087 transitions. [2020-12-09 20:53:15,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 20:53:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6087 transitions. [2020-12-09 20:53:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2020-12-09 20:53:15,682 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:53:15,682 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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] [2020-12-09 20:53:15,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 20:53:15,883 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:53:15,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:53:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash -723530772, now seen corresponding path program 1 times [2020-12-09 20:53:15,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:53:15,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551013342] [2020-12-09 20:53:15,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 20:53:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:16,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 20:53:16,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 850 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2020-12-09 20:53:16,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:53:16,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551013342] [2020-12-09 20:53:16,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:53:16,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 20:53:16,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776699718] [2020-12-09 20:53:16,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:53:16,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:53:16,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:53:16,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:53:16,676 INFO L87 Difference]: Start difference. First operand 5597 states and 6087 transitions. Second operand 3 states. [2020-12-09 20:53:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:21,396 INFO L93 Difference]: Finished difference Result 12508 states and 13717 transitions. [2020-12-09 20:53:21,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:53:21,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 780 [2020-12-09 20:53:21,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:21,424 INFO L225 Difference]: With dead ends: 12508 [2020-12-09 20:53:21,424 INFO L226 Difference]: Without dead ends: 7571 [2020-12-09 20:53:21,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 778 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:53:21,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2020-12-09 20:53:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2020-12-09 20:53:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2020-12-09 20:53:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8025 transitions. [2020-12-09 20:53:21,522 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8025 transitions. Word has length 780 [2020-12-09 20:53:21,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:21,523 INFO L481 AbstractCegarLoop]: Abstraction has 7571 states and 8025 transitions. [2020-12-09 20:53:21,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:53:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8025 transitions. [2020-12-09 20:53:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2020-12-09 20:53:21,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:53:21,534 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 20:53:21,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-09 20:53:21,736 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:53:21,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:53:21,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1236240732, now seen corresponding path program 1 times [2020-12-09 20:53:21,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:53:21,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961848000] [2020-12-09 20:53:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 20:53:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:22,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 20:53:22,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 727 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2020-12-09 20:53:23,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:53:23,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961848000] [2020-12-09 20:53:23,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 20:53:23,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 20:53:23,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741714787] [2020-12-09 20:53:23,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 20:53:23,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:53:23,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 20:53:23,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:53:23,300 INFO L87 Difference]: Start difference. First operand 7571 states and 8025 transitions. Second operand 3 states. [2020-12-09 20:53:26,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:26,931 INFO L93 Difference]: Finished difference Result 14482 states and 15386 transitions. [2020-12-09 20:53:26,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 20:53:26,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 869 [2020-12-09 20:53:26,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:26,958 INFO L225 Difference]: With dead ends: 14482 [2020-12-09 20:53:26,959 INFO L226 Difference]: Without dead ends: 7571 [2020-12-09 20:53:26,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 20:53:26,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2020-12-09 20:53:27,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2020-12-09 20:53:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7571 states. [2020-12-09 20:53:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8024 transitions. [2020-12-09 20:53:27,051 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8024 transitions. Word has length 869 [2020-12-09 20:53:27,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:27,051 INFO L481 AbstractCegarLoop]: Abstraction has 7571 states and 8024 transitions. [2020-12-09 20:53:27,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 20:53:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8024 transitions. [2020-12-09 20:53:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2020-12-09 20:53:27,066 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:53:27,067 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-12-09 20:53:27,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-12-09 20:53:27,268 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:53:27,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:53:27,270 INFO L82 PathProgramCache]: Analyzing trace with hash 510590700, now seen corresponding path program 1 times [2020-12-09 20:53:27,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:53:27,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407026850] [2020-12-09 20:53:27,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 20:53:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:27,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 20:53:27,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 273 proven. 879 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-12-09 20:53:29,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:53:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 273 proven. 879 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-12-09 20:53:32,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407026850] [2020-12-09 20:53:32,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2004839068] [2020-12-09 20:53:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:53:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:32,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 20:53:32,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:33,447 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 20:53:33,448 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 20:53:33,448 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 20:53:33,451 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 20:53:33,452 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 20:53:33,453 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 20:53:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 835 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2020-12-09 20:53:34,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 20:53:34,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 20:53:34,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 12 [2020-12-09 20:53:34,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997665598] [2020-12-09 20:53:34,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 20:53:34,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:53:34,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 20:53:34,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-12-09 20:53:34,983 INFO L87 Difference]: Start difference. First operand 7571 states and 8024 transitions. Second operand 6 states. [2020-12-09 20:53:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:41,647 INFO L93 Difference]: Finished difference Result 17186 states and 18384 transitions. [2020-12-09 20:53:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 20:53:41,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 929 [2020-12-09 20:53:41,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:41,663 INFO L225 Difference]: With dead ends: 17186 [2020-12-09 20:53:41,663 INFO L226 Difference]: Without dead ends: 10275 [2020-12-09 20:53:41,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2786 GetRequests, 2775 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-12-09 20:53:41,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10275 states. [2020-12-09 20:53:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10275 to 9216. [2020-12-09 20:53:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-12-09 20:53:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9714 transitions. [2020-12-09 20:53:41,753 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9714 transitions. Word has length 929 [2020-12-09 20:53:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:41,754 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9714 transitions. [2020-12-09 20:53:41,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 20:53:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9714 transitions. [2020-12-09 20:53:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1060 [2020-12-09 20:53:41,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 20:53:41,767 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-12-09 20:53:42,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 20:53:42,169 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 20:53:42,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 20:53:42,171 INFO L82 PathProgramCache]: Analyzing trace with hash 744601708, now seen corresponding path program 1 times [2020-12-09 20:53:42,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 20:53:42,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017797100] [2020-12-09 20:53:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 20:53:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:42,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 20:53:42,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1271 proven. 249 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2020-12-09 20:53:43,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:53:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1271 proven. 249 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2020-12-09 20:53:46,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017797100] [2020-12-09 20:53:46,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [225245544] [2020-12-09 20:53:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2020-12-09 20:53:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:46,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 20:53:46,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:47,415 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 20:53:47,417 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 20:53:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1033 proven. 52 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2020-12-09 20:53:48,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:53:49,050 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 20:53:49,050 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:53:49,051 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:53:49,052 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:53:49,053 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:53:49,054 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:53:49,057 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:53:49,057 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 20:53:49,059 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 20:53:50,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1070 proven. 15 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2020-12-09 20:53:50,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689927422] [2020-12-09 20:53:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:53:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 20:53:50,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 20:53:50,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 20:53:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1033 proven. 56 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2020-12-09 20:53:52,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 20:53:52,327 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 20:53:52,328 INFO L639 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-12-09 20:53:52,329 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 20:53:52,330 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 20:53:52,332 INFO L639 QuantifierPusher]: Distributing 4 disjuncts over 3 conjuncts [2020-12-09 20:53:52,332 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 20:53:52,335 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 20:53:52,337 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 20:53:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1070 proven. 0 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2020-12-09 20:53:53,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 20:53:53,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 7, 7, 4] total 20 [2020-12-09 20:53:53,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895604337] [2020-12-09 20:53:53,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 20:53:53,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 20:53:53,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 20:53:53,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-12-09 20:53:53,450 INFO L87 Difference]: Start difference. First operand 9216 states and 9714 transitions. Second operand 6 states. [2020-12-09 20:53:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 20:53:58,860 INFO L93 Difference]: Finished difference Result 17812 states and 18805 transitions. [2020-12-09 20:53:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 20:53:58,861 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1059 [2020-12-09 20:53:58,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 20:53:58,862 INFO L225 Difference]: With dead ends: 17812 [2020-12-09 20:53:58,862 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 20:53:58,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6348 GetRequests, 6330 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2020-12-09 20:53:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 20:53:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 20:53:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 20:53:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 20:53:58,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1059 [2020-12-09 20:53:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 20:53:58,871 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 20:53:58,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 20:53:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 20:53:58,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 20:53:59,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 20:53:59,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 20:53:59,583 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2020-12-09 20:54:00,144 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2020-12-09 20:54:00,639 WARN L197 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-12-09 20:54:01,164 WARN L197 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 38 [2020-12-09 20:54:01,166 INFO L262 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,166 INFO L262 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,166 INFO L262 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,166 INFO L262 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,166 INFO L262 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,167 INFO L262 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,168 INFO L262 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 20:54:01,169 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L258 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (bvsle (bvsdiv (bvadd (bvmul ~a18~0 (_ bv4294967295 32)) (_ bv4294370896 32)) (_ bv10 32)) (_ bv4294967140 32))) (.cse2 (not (= (_ bv8 32) ~a16~0))) (.cse1 (= (_ bv3 32) ~a15~0))) (or (and .cse0 (= (_ bv6 32) ~a12~0)) (and (= (_ bv5 32) ~a12~0) .cse1) (and .cse2 .cse1) (and (not .cse1) .cse0) (and (= (_ bv7 32) ~a12~0) .cse2) (and (or (not (bvsge (_ bv134 32) ~a18~0)) (not (bvslt (_ bv4294967217 32) ~a18~0))) .cse1))) [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,170 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 20:54:01,171 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L258 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse1 (not (= (_ bv8 32) ~a16~0))) (.cse0 (= (_ bv3 32) ~a15~0))) (or (and (= (_ bv5 32) ~a12~0) .cse0) (and .cse1 .cse0) (and (not .cse0) (bvsle (bvsdiv (bvadd (bvmul ~a18~0 (_ bv4294967295 32)) (_ bv4294370896 32)) (_ bv10 32)) (_ bv4294967140 32))) (and (= (_ bv7 32) ~a12~0) .cse1) (and (or (not (bvsge (_ bv134 32) ~a18~0)) (not (bvslt (_ bv4294967217 32) ~a18~0))) .cse0))) [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,172 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L265 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,173 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,174 INFO L262 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L258 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (bvsle (bvsdiv (bvadd (bvmul ~a18~0 (_ bv4294967295 32)) (_ bv4294370896 32)) (_ bv10 32)) (_ bv4294967140 32))) (.cse2 (not (= (_ bv8 32) ~a16~0))) (.cse1 (= (_ bv3 32) ~a15~0))) (or (and .cse0 (= (_ bv6 32) ~a12~0)) (and (= (_ bv5 32) ~a12~0) .cse1) (and .cse2 .cse1) (and (not .cse1) .cse0) (and (= (_ bv7 32) ~a12~0) .cse2) (and (or (not (bvsge (_ bv134 32) ~a18~0)) (not (bvslt (_ bv4294967217 32) ~a18~0))) .cse1))) [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,175 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 20:54:01,176 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,177 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,178 INFO L262 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,179 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,180 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,181 INFO L262 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 20:54:01,183 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,184 INFO L262 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,185 INFO L262 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 20:54:01,186 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 20:54:01,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:54:01 BoogieIcfgContainer [2020-12-09 20:54:01,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 20:54:01,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 20:54:01,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 20:54:01,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 20:54:01,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:44:52" (3/4) ... [2020-12-09 20:54:01,206 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 20:54:01,232 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 20:54:01,235 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 20:54:01,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:54:01,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 20:54:01,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_49ffdf0a-6bb0-4d02-a2e2-31567bc6a767/bin/utaipan/witness.graphml [2020-12-09 20:54:01,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 20:54:01,381 INFO L168 Benchmark]: Toolchain (without parser) took 556992.29 ms. Allocated memory was 54.5 MB in the beginning and 771.8 MB in the end (delta: 717.2 MB). Free memory was 29.0 MB in the beginning and 619.1 MB in the end (delta: -590.1 MB). Peak memory consumption was 128.0 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,382 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 20:54:01,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.86 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 29.7 MB in the end (delta: -833.6 kB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.10 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 46.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,383 INFO L168 Benchmark]: Boogie Preprocessor took 71.82 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 36.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,383 INFO L168 Benchmark]: RCFGBuilder took 6781.77 ms. Allocated memory was 81.8 MB in the beginning and 125.8 MB in the end (delta: 44.0 MB). Free memory was 36.4 MB in the beginning and 62.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,383 INFO L168 Benchmark]: TraceAbstraction took 549103.99 ms. Allocated memory was 125.8 MB in the beginning and 771.8 MB in the end (delta: 645.9 MB). Free memory was 62.6 MB in the beginning and 657.3 MB in the end (delta: -594.7 MB). Peak memory consumption was 507.3 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,384 INFO L168 Benchmark]: Witness Printer took 178.25 ms. Allocated memory is still 771.8 MB. Free memory was 657.3 MB in the beginning and 619.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-09 20:54:01,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 759.86 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.9 MB in the beginning and 29.7 MB in the end (delta: -833.6 kB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.10 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 46.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.82 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 36.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6781.77 ms. Allocated memory was 81.8 MB in the beginning and 125.8 MB in the end (delta: 44.0 MB). Free memory was 36.4 MB in the beginning and 62.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 549103.99 ms. Allocated memory was 125.8 MB in the beginning and 771.8 MB in the end (delta: 645.9 MB). Free memory was 62.6 MB in the beginning and 657.3 MB in the end (delta: -594.7 MB). Peak memory consumption was 507.3 MB. Max. memory is 16.1 GB. * Witness Printer took 178.25 ms. Allocated memory is still 771.8 MB. Free memory was 657.3 MB in the beginning and 619.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 191]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((5bv32 == a12 && 3bv32 == a15) || (!(8bv32 == a16) && 3bv32 == a15)) || (!(3bv32 == a15) && ~bvsle32(~bvsdiv32(~bvadd64(~bvmul32(a18, 4294967295bv32), 4294370896bv32), 10bv32), 4294967140bv32))) || (7bv32 == a12 && !(8bv32 == a16))) || ((!~bvsge32(134bv32, a18) || !~bvslt32(4294967217bv32, a18)) && 3bv32 == a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((~bvsle32(~bvsdiv32(~bvadd64(~bvmul32(a18, 4294967295bv32), 4294370896bv32), 10bv32), 4294967140bv32) && 6bv32 == a12) || (5bv32 == a12 && 3bv32 == a15)) || (!(8bv32 == a16) && 3bv32 == a15)) || (!(3bv32 == a15) && ~bvsle32(~bvsdiv32(~bvadd64(~bvmul32(a18, 4294967295bv32), 4294370896bv32), 10bv32), 4294967140bv32))) || (7bv32 == a12 && !(8bv32 == a16))) || ((!~bvsge32(134bv32, a18) || !~bvslt32(4294967217bv32, a18)) && 3bv32 == a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((~bvsle32(~bvsdiv32(~bvadd64(~bvmul32(a18, 4294967295bv32), 4294370896bv32), 10bv32), 4294967140bv32) && 6bv32 == a12) || (5bv32 == a12 && 3bv32 == a15)) || (!(8bv32 == a16) && 3bv32 == a15)) || (!(3bv32 == a15) && ~bvsle32(~bvsdiv32(~bvadd64(~bvmul32(a18, 4294967295bv32), 4294370896bv32), 10bv32), 4294967140bv32))) || (7bv32 == a12 && !(8bv32 == a16))) || ((!~bvsge32(134bv32, a18) || !~bvslt32(4294967217bv32, a18)) && 3bv32 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 547.3s, OverallIterations: 9, TraceHistogramMax: 7, AutomataDifference: 518.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2148 SDtfs, 22077 SDslu, 246 SDs, 0 SdLazy, 21513 SolverSat, 8408 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 477.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13111 GetRequests, 13028 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 670 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9216occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2704 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 148 NumberOfFragments, 180 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8834 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 283 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 8332 NumberOfCodeBlocks, 8332 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 13056 ConstructedInterpolants, 0 QuantifiedInterpolants, 54243474 SizeOfPredicates, 34 NumberOfNonLiveVariables, 9254 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 18323/20967 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...