./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label41.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_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label41.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/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 8e1ca08b5ed679431c1216b6ccad01be5a891c44 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:15:58,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:15:58,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:15:58,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:15:58,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:15:58,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:15:58,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:15:58,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:15:58,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:15:58,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:15:58,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:15:58,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:15:58,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:15:58,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:15:58,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:15:58,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:15:58,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:15:58,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:15:58,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:15:58,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:15:58,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:15:58,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:15:58,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:15:58,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:15:58,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:15:58,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:15:58,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:15:58,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:15:58,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:15:58,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:15:58,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:15:58,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:15:58,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:15:58,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:15:58,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:15:58,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:15:58,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:15:58,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:15:58,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:15:58,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:15:58,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:15:58,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:15:58,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:15:58,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:15:58,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:15:58,417 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:15:58,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:15:58,417 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:15:58,418 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:15:58,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:15:58,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:15:58,419 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:15:58,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:15:58,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:15:58,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:15:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:15:58,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:15:58,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:15:58,421 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:15:58,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:15:58,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:15:58,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:15:58,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:15:58,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:15:58,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:15:58,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:15:58,424 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_0879157d-f77e-42ac-b6bd-f9f2766326bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e1ca08b5ed679431c1216b6ccad01be5a891c44 [2020-12-09 10:15:58,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:15:58,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:15:58,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:15:58,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:15:58,634 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:15:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label41.c [2020-12-09 10:15:58,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/data/ceb2f17b5/80a84fbe57244216b3a015f91191153b/FLAG84028d99e [2020-12-09 10:15:59,167 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:15:59,168 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/sv-benchmarks/c/eca-rers2012/Problem03_label41.c [2020-12-09 10:15:59,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/data/ceb2f17b5/80a84fbe57244216b3a015f91191153b/FLAG84028d99e [2020-12-09 10:15:59,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/data/ceb2f17b5/80a84fbe57244216b3a015f91191153b [2020-12-09 10:15:59,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:15:59,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:15:59,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:15:59,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:15:59,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:15:59,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f74fbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59, skipping insertion in model container [2020-12-09 10:15:59,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:15:59,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:15:59,625 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_0879157d-f77e-42ac-b6bd-f9f2766326bd/sv-benchmarks/c/eca-rers2012/Problem03_label41.c[58800,58813] [2020-12-09 10:15:59,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:15:59,652 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:15:59,800 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_0879157d-f77e-42ac-b6bd-f9f2766326bd/sv-benchmarks/c/eca-rers2012/Problem03_label41.c[58800,58813] [2020-12-09 10:15:59,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:15:59,822 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:15:59,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59 WrapperNode [2020-12-09 10:15:59,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:15:59,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:15:59,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:15:59,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:15:59,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:15:59,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:15:59,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:15:59,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:15:59,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:15:59,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... [2020-12-09 10:16:00,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:16:00,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:16:00,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:16:00,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:16:00,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/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 10:16:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:16:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:16:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:16:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:16:02,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:16:02,155 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 10:16:02,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:02 BoogieIcfgContainer [2020-12-09 10:16:02,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:16:02,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:16:02,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:16:02,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:16:02,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:15:59" (1/3) ... [2020-12-09 10:16:02,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43825e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:02, skipping insertion in model container [2020-12-09 10:16:02,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:15:59" (2/3) ... [2020-12-09 10:16:02,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43825e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:02, skipping insertion in model container [2020-12-09 10:16:02,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:02" (3/3) ... [2020-12-09 10:16:02,162 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label41.c [2020-12-09 10:16:02,171 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:16:02,174 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 10:16:02,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 10:16:02,200 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:16:02,201 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:16:02,201 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:16:02,201 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:16:02,201 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:16:02,201 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:16:02,201 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:16:02,201 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:16:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-12-09 10:16:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-09 10:16:02,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:02,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:02,228 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:02,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:02,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1467448933, now seen corresponding path program 1 times [2020-12-09 10:16:02,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:02,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209958497] [2020-12-09 10:16:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:02,688 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 10:16:02,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209958497] [2020-12-09 10:16:02,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:02,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:16:02,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822258166] [2020-12-09 10:16:02,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:02,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:02,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:02,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:02,703 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-12-09 10:16:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:03,353 INFO L93 Difference]: Finished difference Result 440 states and 860 transitions. [2020-12-09 10:16:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:03,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-12-09 10:16:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:03,368 INFO L225 Difference]: With dead ends: 440 [2020-12-09 10:16:03,368 INFO L226 Difference]: Without dead ends: 289 [2020-12-09 10:16:03,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 10:16:03,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-12-09 10:16:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2020-12-09 10:16:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-12-09 10:16:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 520 transitions. [2020-12-09 10:16:03,422 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 520 transitions. Word has length 143 [2020-12-09 10:16:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:03,423 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 520 transitions. [2020-12-09 10:16:03,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 520 transitions. [2020-12-09 10:16:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-09 10:16:03,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:03,427 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:03,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 10:16:03,428 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:03,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:03,429 INFO L82 PathProgramCache]: Analyzing trace with hash 732720189, now seen corresponding path program 1 times [2020-12-09 10:16:03,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:03,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3383275] [2020-12-09 10:16:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:03,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3383275] [2020-12-09 10:16:03,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:03,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:16:03,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507445802] [2020-12-09 10:16:03,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:03,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:03,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:03,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:03,520 INFO L87 Difference]: Start difference. First operand 289 states and 520 transitions. Second operand 3 states. [2020-12-09 10:16:04,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:04,115 INFO L93 Difference]: Finished difference Result 865 states and 1558 transitions. [2020-12-09 10:16:04,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:04,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-12-09 10:16:04,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:04,119 INFO L225 Difference]: With dead ends: 865 [2020-12-09 10:16:04,119 INFO L226 Difference]: Without dead ends: 577 [2020-12-09 10:16:04,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 10:16:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-12-09 10:16:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 575. [2020-12-09 10:16:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-09 10:16:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 961 transitions. [2020-12-09 10:16:04,144 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 961 transitions. Word has length 148 [2020-12-09 10:16:04,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:04,144 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 961 transitions. [2020-12-09 10:16:04,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 961 transitions. [2020-12-09 10:16:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-09 10:16:04,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:04,148 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:04,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 10:16:04,148 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:04,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1977875910, now seen corresponding path program 1 times [2020-12-09 10:16:04,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:04,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170984771] [2020-12-09 10:16:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:04,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170984771] [2020-12-09 10:16:04,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:04,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:16:04,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740555172] [2020-12-09 10:16:04,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:04,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:04,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:04,221 INFO L87 Difference]: Start difference. First operand 575 states and 961 transitions. Second operand 3 states. [2020-12-09 10:16:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:04,860 INFO L93 Difference]: Finished difference Result 1721 states and 2880 transitions. [2020-12-09 10:16:04,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:04,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-12-09 10:16:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:04,866 INFO L225 Difference]: With dead ends: 1721 [2020-12-09 10:16:04,866 INFO L226 Difference]: Without dead ends: 1147 [2020-12-09 10:16:04,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 10:16:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-12-09 10:16:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1147. [2020-12-09 10:16:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-12-09 10:16:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1864 transitions. [2020-12-09 10:16:04,892 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1864 transitions. Word has length 151 [2020-12-09 10:16:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:04,892 INFO L481 AbstractCegarLoop]: Abstraction has 1147 states and 1864 transitions. [2020-12-09 10:16:04,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1864 transitions. [2020-12-09 10:16:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-09 10:16:04,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:04,895 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:04,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 10:16:04,895 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:04,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:04,896 INFO L82 PathProgramCache]: Analyzing trace with hash 559038945, now seen corresponding path program 1 times [2020-12-09 10:16:04,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:04,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629139851] [2020-12-09 10:16:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:16:04,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629139851] [2020-12-09 10:16:04,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:04,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:16:04,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302767254] [2020-12-09 10:16:04,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:04,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:04,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:04,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:04,955 INFO L87 Difference]: Start difference. First operand 1147 states and 1864 transitions. Second operand 3 states. [2020-12-09 10:16:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:05,701 INFO L93 Difference]: Finished difference Result 2865 states and 4725 transitions. [2020-12-09 10:16:05,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:05,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-12-09 10:16:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:05,711 INFO L225 Difference]: With dead ends: 2865 [2020-12-09 10:16:05,711 INFO L226 Difference]: Without dead ends: 1719 [2020-12-09 10:16:05,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 10:16:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2020-12-09 10:16:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2020-12-09 10:16:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1719 states. [2020-12-09 10:16:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 2683 transitions. [2020-12-09 10:16:05,765 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 2683 transitions. Word has length 163 [2020-12-09 10:16:05,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:05,765 INFO L481 AbstractCegarLoop]: Abstraction has 1719 states and 2683 transitions. [2020-12-09 10:16:05,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2683 transitions. [2020-12-09 10:16:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-09 10:16:05,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:05,770 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:05,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 10:16:05,771 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:05,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:05,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1899017441, now seen corresponding path program 1 times [2020-12-09 10:16:05,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:05,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149219026] [2020-12-09 10:16:05,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-09 10:16:05,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149219026] [2020-12-09 10:16:05,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:05,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:16:05,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139398396] [2020-12-09 10:16:05,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:05,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:05,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:05,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:05,860 INFO L87 Difference]: Start difference. First operand 1719 states and 2683 transitions. Second operand 3 states. [2020-12-09 10:16:06,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:06,556 INFO L93 Difference]: Finished difference Result 5153 states and 8046 transitions. [2020-12-09 10:16:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:06,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-12-09 10:16:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:06,573 INFO L225 Difference]: With dead ends: 5153 [2020-12-09 10:16:06,573 INFO L226 Difference]: Without dead ends: 3435 [2020-12-09 10:16:06,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 10:16:06,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2020-12-09 10:16:06,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3435. [2020-12-09 10:16:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3435 states. [2020-12-09 10:16:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4708 transitions. [2020-12-09 10:16:06,655 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4708 transitions. Word has length 167 [2020-12-09 10:16:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:06,656 INFO L481 AbstractCegarLoop]: Abstraction has 3435 states and 4708 transitions. [2020-12-09 10:16:06,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4708 transitions. [2020-12-09 10:16:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-09 10:16:06,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:06,661 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:06,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 10:16:06,661 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:06,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:06,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1939897918, now seen corresponding path program 1 times [2020-12-09 10:16:06,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:06,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433586253] [2020-12-09 10:16:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:16:06,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433586253] [2020-12-09 10:16:06,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:06,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:16:06,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800058203] [2020-12-09 10:16:06,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:06,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:06,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:06,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:06,733 INFO L87 Difference]: Start difference. First operand 3435 states and 4708 transitions. Second operand 3 states. [2020-12-09 10:16:07,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:07,351 INFO L93 Difference]: Finished difference Result 8585 states and 11731 transitions. [2020-12-09 10:16:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:07,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-12-09 10:16:07,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:07,369 INFO L225 Difference]: With dead ends: 8585 [2020-12-09 10:16:07,369 INFO L226 Difference]: Without dead ends: 5151 [2020-12-09 10:16:07,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 10:16:07,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5151 states. [2020-12-09 10:16:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5151 to 5151. [2020-12-09 10:16:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5151 states. [2020-12-09 10:16:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6794 transitions. [2020-12-09 10:16:07,455 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6794 transitions. Word has length 176 [2020-12-09 10:16:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:07,455 INFO L481 AbstractCegarLoop]: Abstraction has 5151 states and 6794 transitions. [2020-12-09 10:16:07,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6794 transitions. [2020-12-09 10:16:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-09 10:16:07,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:07,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:07,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 10:16:07,464 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:07,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:07,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1925395076, now seen corresponding path program 1 times [2020-12-09 10:16:07,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:07,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360662205] [2020-12-09 10:16:07,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:07,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360662205] [2020-12-09 10:16:07,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:07,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:16:07,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575250879] [2020-12-09 10:16:07,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:07,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:07,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:07,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:16:07,573 INFO L87 Difference]: Start difference. First operand 5151 states and 6794 transitions. Second operand 3 states. [2020-12-09 10:16:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:08,216 INFO L93 Difference]: Finished difference Result 12875 states and 16864 transitions. [2020-12-09 10:16:08,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:08,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-12-09 10:16:08,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:08,243 INFO L225 Difference]: With dead ends: 12875 [2020-12-09 10:16:08,243 INFO L226 Difference]: Without dead ends: 7725 [2020-12-09 10:16:08,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 10:16:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2020-12-09 10:16:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 7725. [2020-12-09 10:16:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7725 states. [2020-12-09 10:16:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7725 states to 7725 states and 9801 transitions. [2020-12-09 10:16:08,347 INFO L78 Accepts]: Start accepts. Automaton has 7725 states and 9801 transitions. Word has length 184 [2020-12-09 10:16:08,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:08,348 INFO L481 AbstractCegarLoop]: Abstraction has 7725 states and 9801 transitions. [2020-12-09 10:16:08,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7725 states and 9801 transitions. [2020-12-09 10:16:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-09 10:16:08,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:08,357 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:08,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 10:16:08,357 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:08,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:08,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2078788129, now seen corresponding path program 1 times [2020-12-09 10:16:08,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:08,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131809357] [2020-12-09 10:16:08,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:08,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131809357] [2020-12-09 10:16:08,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:08,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:16:08,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738584639] [2020-12-09 10:16:08,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:16:08,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:08,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:16:08,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:16:08,470 INFO L87 Difference]: Start difference. First operand 7725 states and 9801 transitions. Second operand 4 states. [2020-12-09 10:16:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:09,408 INFO L93 Difference]: Finished difference Result 23028 states and 29898 transitions. [2020-12-09 10:16:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:16:09,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2020-12-09 10:16:09,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:09,446 INFO L225 Difference]: With dead ends: 23028 [2020-12-09 10:16:09,446 INFO L226 Difference]: Without dead ends: 15304 [2020-12-09 10:16:09,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:16:09,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15304 states. [2020-12-09 10:16:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15304 to 12587. [2020-12-09 10:16:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12587 states. [2020-12-09 10:16:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12587 states to 12587 states and 15287 transitions. [2020-12-09 10:16:09,608 INFO L78 Accepts]: Start accepts. Automaton has 12587 states and 15287 transitions. Word has length 191 [2020-12-09 10:16:09,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:09,608 INFO L481 AbstractCegarLoop]: Abstraction has 12587 states and 15287 transitions. [2020-12-09 10:16:09,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:16:09,608 INFO L276 IsEmpty]: Start isEmpty. Operand 12587 states and 15287 transitions. [2020-12-09 10:16:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-09 10:16:09,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:09,620 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:09,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 10:16:09,620 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:09,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:09,621 INFO L82 PathProgramCache]: Analyzing trace with hash -230325786, now seen corresponding path program 1 times [2020-12-09 10:16:09,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:09,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313837596] [2020-12-09 10:16:09,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-09 10:16:09,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313837596] [2020-12-09 10:16:09,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124925299] [2020-12-09 10:16:09,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/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 10:16:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:16:09,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:16:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-09 10:16:10,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:16:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-09 10:16:10,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:16:10,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 4 [2020-12-09 10:16:10,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432584364] [2020-12-09 10:16:10,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:10,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:10,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:10,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:16:10,160 INFO L87 Difference]: Start difference. First operand 12587 states and 15287 transitions. Second operand 3 states. [2020-12-09 10:16:10,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:10,546 INFO L93 Difference]: Finished difference Result 24458 states and 29769 transitions. [2020-12-09 10:16:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:10,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-12-09 10:16:10,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:10,561 INFO L225 Difference]: With dead ends: 24458 [2020-12-09 10:16:10,561 INFO L226 Difference]: Without dead ends: 11872 [2020-12-09 10:16:10,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:16:10,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11872 states. [2020-12-09 10:16:10,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11872 to 10585. [2020-12-09 10:16:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10585 states. [2020-12-09 10:16:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10585 states to 10585 states and 12797 transitions. [2020-12-09 10:16:10,705 INFO L78 Accepts]: Start accepts. Automaton has 10585 states and 12797 transitions. Word has length 199 [2020-12-09 10:16:10,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:10,705 INFO L481 AbstractCegarLoop]: Abstraction has 10585 states and 12797 transitions. [2020-12-09 10:16:10,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 10585 states and 12797 transitions. [2020-12-09 10:16:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-12-09 10:16:10,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:10,716 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:10,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-09 10:16:10,918 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash -214456519, now seen corresponding path program 1 times [2020-12-09 10:16:10,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:10,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69401092] [2020-12-09 10:16:10,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-09 10:16:11,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69401092] [2020-12-09 10:16:11,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:16:11,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:16:11,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023764172] [2020-12-09 10:16:11,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:16:11,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:11,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:16:11,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:16:11,117 INFO L87 Difference]: Start difference. First operand 10585 states and 12797 transitions. Second operand 4 states. [2020-12-09 10:16:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:11,935 INFO L93 Difference]: Finished difference Result 36043 states and 43729 transitions. [2020-12-09 10:16:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:16:11,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 219 [2020-12-09 10:16:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:11,968 INFO L225 Difference]: With dead ends: 36043 [2020-12-09 10:16:11,968 INFO L226 Difference]: Without dead ends: 25459 [2020-12-09 10:16:11,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:16:11,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25459 states. [2020-12-09 10:16:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25459 to 23312. [2020-12-09 10:16:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23312 states. [2020-12-09 10:16:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23312 states to 23312 states and 28272 transitions. [2020-12-09 10:16:12,212 INFO L78 Accepts]: Start accepts. Automaton has 23312 states and 28272 transitions. Word has length 219 [2020-12-09 10:16:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:12,212 INFO L481 AbstractCegarLoop]: Abstraction has 23312 states and 28272 transitions. [2020-12-09 10:16:12,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:16:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 23312 states and 28272 transitions. [2020-12-09 10:16:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-12-09 10:16:12,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:12,222 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:12,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 10:16:12,223 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:12,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:12,223 INFO L82 PathProgramCache]: Analyzing trace with hash -867368840, now seen corresponding path program 1 times [2020-12-09 10:16:12,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:12,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119033772] [2020-12-09 10:16:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-12-09 10:16:12,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119033772] [2020-12-09 10:16:12,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741425792] [2020-12-09 10:16:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:16:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:12,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:16:12,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:16:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 10:16:12,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:16:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 10:16:12,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:16:12,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2020-12-09 10:16:12,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43019228] [2020-12-09 10:16:12,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:12,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:12,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:12,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:16:12,782 INFO L87 Difference]: Start difference. First operand 23312 states and 28272 transitions. Second operand 3 states. [2020-12-09 10:16:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:13,412 INFO L93 Difference]: Finished difference Result 57920 states and 70760 transitions. [2020-12-09 10:16:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:13,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-12-09 10:16:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:13,440 INFO L225 Difference]: With dead ends: 57920 [2020-12-09 10:16:13,440 INFO L226 Difference]: Without dead ends: 34609 [2020-12-09 10:16:13,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:16:13,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34609 states. [2020-12-09 10:16:13,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34609 to 31892. [2020-12-09 10:16:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31892 states. [2020-12-09 10:16:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31892 states to 31892 states and 39369 transitions. [2020-12-09 10:16:13,765 INFO L78 Accepts]: Start accepts. Automaton has 31892 states and 39369 transitions. Word has length 222 [2020-12-09 10:16:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:13,766 INFO L481 AbstractCegarLoop]: Abstraction has 31892 states and 39369 transitions. [2020-12-09 10:16:13,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 31892 states and 39369 transitions. [2020-12-09 10:16:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-09 10:16:13,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:13,783 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 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 10:16:13,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:16:13,984 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:13,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:13,986 INFO L82 PathProgramCache]: Analyzing trace with hash -504966994, now seen corresponding path program 1 times [2020-12-09 10:16:13,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:13,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614419469] [2020-12-09 10:16:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:14,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614419469] [2020-12-09 10:16:14,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396083578] [2020-12-09 10:16:14,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:16:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:14,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:16:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:16:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:16:14,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:16:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:16:14,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:16:14,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2020-12-09 10:16:14,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189251233] [2020-12-09 10:16:14,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:16:14,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:16:14,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:16:14,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:16:14,918 INFO L87 Difference]: Start difference. First operand 31892 states and 39369 transitions. Second operand 3 states. [2020-12-09 10:16:15,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:16:15,692 INFO L93 Difference]: Finished difference Result 64927 states and 80366 transitions. [2020-12-09 10:16:15,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:16:15,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 271 [2020-12-09 10:16:15,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:16:15,764 INFO L225 Difference]: With dead ends: 64927 [2020-12-09 10:16:15,764 INFO L226 Difference]: Without dead ends: 33036 [2020-12-09 10:16:15,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:16:15,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33036 states. [2020-12-09 10:16:16,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33036 to 32178. [2020-12-09 10:16:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32178 states. [2020-12-09 10:16:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32178 states to 32178 states and 39940 transitions. [2020-12-09 10:16:16,213 INFO L78 Accepts]: Start accepts. Automaton has 32178 states and 39940 transitions. Word has length 271 [2020-12-09 10:16:16,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:16:16,214 INFO L481 AbstractCegarLoop]: Abstraction has 32178 states and 39940 transitions. [2020-12-09 10:16:16,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:16:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32178 states and 39940 transitions. [2020-12-09 10:16:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-12-09 10:16:16,246 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:16:16,247 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:16:16,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-09 10:16:16,448 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:16:16,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:16:16,448 INFO L82 PathProgramCache]: Analyzing trace with hash -12182491, now seen corresponding path program 1 times [2020-12-09 10:16:16,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:16:16,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511606676] [2020-12-09 10:16:16,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:16:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 144 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:16,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511606676] [2020-12-09 10:16:16,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546235163] [2020-12-09 10:16:16,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:16:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:16:16,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:16:16,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:16:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 143 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:17,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:16:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 143 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:16:17,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [182628316] [2020-12-09 10:16:17,251 INFO L159 IcfgInterpreter]: Started Sifa with 145 locations of interest [2020-12-09 10:16:17,251 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 10:16:17,254 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 10:16:17,258 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 10:16:17,258 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 10:16:17,979 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,124 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,387 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,508 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,685 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,804 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:18,955 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:19,062 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:19,538 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:19,999 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:20,347 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:20,484 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:20,586 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:20,727 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:20,832 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:21,431 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-12-09 10:16:21,538 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-12-09 10:16:33,712 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:33,832 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:34,009 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:34,127 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:34,289 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:34,408 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:34,891 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:35,558 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-12-09 10:16:35,850 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:35,969 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-12-09 10:16:36,151 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-12-09 10:16:36,827 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-12-09 10:16:36,983 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-12-09 10:16:37,333 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-12-09 10:16:37,486 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-12-09 10:16:41,323 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:41,943 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:42,168 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:42,285 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:42,419 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:42,536 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:42,673 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:42,792 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:53,676 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 10:16:53,940 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-12-09 10:16:54,228 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 151 [2020-12-09 10:16:54,532 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 157 [2020-12-09 10:16:56,459 WARN L197 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:16:58,135 WARN L197 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 205 [2020-12-09 10:16:58,436 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-12-09 10:16:59,979 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 191 [2020-12-09 10:17:01,790 WARN L197 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-12-09 10:17:02,109 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-12-09 10:17:02,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 10:17:02,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [3, 4, 4] total 15 [2020-12-09 10:17:02,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216659976] [2020-12-09 10:17:02,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 10:17:02,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:17:02,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 10:17:02,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-12-09 10:17:02,113 INFO L87 Difference]: Start difference. First operand 32178 states and 39940 transitions. Second operand 11 states. [2020-12-09 10:17:04,765 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 293 DAG size of output: 207 [2020-12-09 10:17:08,264 WARN L197 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 279 DAG size of output: 188 [2020-12-09 10:17:10,911 WARN L197 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 272 DAG size of output: 180 [2020-12-09 10:17:11,887 WARN L197 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 170 [2020-12-09 10:17:13,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:17:13,919 INFO L93 Difference]: Finished difference Result 64468 states and 80003 transitions. [2020-12-09 10:17:13,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 10:17:13,920 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 288 [2020-12-09 10:17:13,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:17:13,948 INFO L225 Difference]: With dead ends: 64468 [2020-12-09 10:17:13,948 INFO L226 Difference]: Without dead ends: 32291 [2020-12-09 10:17:13,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 825 SyntacticMatches, 27 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-12-09 10:17:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32291 states. [2020-12-09 10:17:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32291 to 32291. [2020-12-09 10:17:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32291 states. [2020-12-09 10:17:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32291 states to 32291 states and 40058 transitions. [2020-12-09 10:17:14,275 INFO L78 Accepts]: Start accepts. Automaton has 32291 states and 40058 transitions. Word has length 288 [2020-12-09 10:17:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:17:14,275 INFO L481 AbstractCegarLoop]: Abstraction has 32291 states and 40058 transitions. [2020-12-09 10:17:14,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 10:17:14,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32291 states and 40058 transitions. [2020-12-09 10:17:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-09 10:17:14,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:17:14,288 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:17:14,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:17:14,490 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:17:14,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:17:14,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1301288397, now seen corresponding path program 1 times [2020-12-09 10:17:14,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:17:14,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124634077] [2020-12-09 10:17:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:17:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:17:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:17:14,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124634077] [2020-12-09 10:17:14,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:17:14,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:17:14,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093936291] [2020-12-09 10:17:14,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:17:14,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:17:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:17:14,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:17:14,717 INFO L87 Difference]: Start difference. First operand 32291 states and 40058 transitions. Second operand 3 states. [2020-12-09 10:17:15,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:17:15,321 INFO L93 Difference]: Finished difference Result 69187 states and 85739 transitions. [2020-12-09 10:17:15,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:17:15,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-12-09 10:17:15,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:17:15,352 INFO L225 Difference]: With dead ends: 69187 [2020-12-09 10:17:15,352 INFO L226 Difference]: Without dead ends: 34996 [2020-12-09 10:17:15,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 10:17:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34996 states. [2020-12-09 10:17:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34996 to 32994. [2020-12-09 10:17:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32994 states. [2020-12-09 10:17:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32994 states to 32994 states and 38673 transitions. [2020-12-09 10:17:15,705 INFO L78 Accepts]: Start accepts. Automaton has 32994 states and 38673 transitions. Word has length 292 [2020-12-09 10:17:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:17:15,705 INFO L481 AbstractCegarLoop]: Abstraction has 32994 states and 38673 transitions. [2020-12-09 10:17:15,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:17:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32994 states and 38673 transitions. [2020-12-09 10:17:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-09 10:17:15,717 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:17:15,718 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:15,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable847 [2020-12-09 10:17:15,718 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:17:15,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:17:15,718 INFO L82 PathProgramCache]: Analyzing trace with hash 660602676, now seen corresponding path program 1 times [2020-12-09 10:17:15,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:17:15,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643782808] [2020-12-09 10:17:15,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:17:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:17:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-12-09 10:17:15,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643782808] [2020-12-09 10:17:15,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922958271] [2020-12-09 10:17:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:17:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:17:15,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 10:17:15,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:17:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 156 proven. 71 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 10:17:16,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:17:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 156 proven. 71 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-09 10:17:16,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [62161896] [2020-12-09 10:17:16,355 INFO L159 IcfgInterpreter]: Started Sifa with 145 locations of interest [2020-12-09 10:17:16,355 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 10:17:16,356 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 10:17:16,356 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 10:17:16,356 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 10:17:16,998 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,115 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,277 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,396 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,551 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,669 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:17,998 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,116 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,279 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,397 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,547 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,668 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:18,977 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:19,095 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:19,258 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:19,378 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:17:19,628 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2020-12-09 10:17:24,373 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:24,495 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:24,659 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:24,777 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:24,927 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,044 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,237 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,357 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,518 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,636 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,784 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:25,903 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,060 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,177 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,335 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,452 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,600 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,718 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:26,944 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,062 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,221 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,339 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,496 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,615 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,764 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:27,882 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,039 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,159 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,307 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,425 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,569 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,687 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,841 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:28,959 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,113 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,231 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,386 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,504 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,675 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,793 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:29,945 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,062 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,214 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,337 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,485 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,603 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,750 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:30,868 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,038 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,156 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,305 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,424 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,571 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,691 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:31,862 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-12-09 10:17:32,143 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-12-09 10:17:32,312 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-12-09 10:17:32,726 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-12-09 10:17:33,097 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-12-09 10:17:33,796 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-12-09 10:17:34,373 WARN L197 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-12-09 10:17:35,175 WARN L197 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:35,791 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:36,609 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:37,224 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:38,017 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:38,638 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:39,447 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:40,065 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:40,945 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:41,560 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:42,350 WARN L197 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:42,965 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:43,825 WARN L197 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:44,442 WARN L197 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:45,236 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:45,852 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:46,672 WARN L197 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:47,285 WARN L197 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:47,411 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-12-09 10:17:47,830 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-12-09 10:17:48,198 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-12-09 10:17:48,578 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:48,696 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:48,856 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:48,974 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,123 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,244 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,436 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,554 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,714 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,832 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:49,984 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,103 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,258 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,376 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,534 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,655 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,804 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:50,922 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,146 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,264 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,426 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,545 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,700 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,818 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:51,969 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,091 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,249 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,367 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,514 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,632 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,780 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:52,897 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,048 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,166 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,321 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,439 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,597 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,714 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:53,884 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,002 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,152 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,278 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,431 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,549 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,698 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,816 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:54,965 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,083 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,251 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,368 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,519 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,636 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,787 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,905 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:17:55,912 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) 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 10:17:55,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 10:17:55,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 7 [2020-12-09 10:17:55,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393137337] [2020-12-09 10:17:55,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 10:17:55,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:17:55,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 10:17:55,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:17:55,915 INFO L87 Difference]: Start difference. First operand 32994 states and 38673 transitions. Second operand 7 states. [2020-12-09 10:17:58,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:17:58,467 INFO L93 Difference]: Finished difference Result 102216 states and 118953 transitions. [2020-12-09 10:17:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-09 10:17:58,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2020-12-09 10:17:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:17:58,533 INFO L225 Difference]: With dead ends: 102216 [2020-12-09 10:17:58,533 INFO L226 Difference]: Without dead ends: 68037 [2020-12-09 10:17:58,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 590 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-09 10:17:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68037 states. [2020-12-09 10:17:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68037 to 58591. [2020-12-09 10:17:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58591 states. [2020-12-09 10:17:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58591 states to 58591 states and 65978 transitions. [2020-12-09 10:17:59,166 INFO L78 Accepts]: Start accepts. Automaton has 58591 states and 65978 transitions. Word has length 293 [2020-12-09 10:17:59,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:17:59,166 INFO L481 AbstractCegarLoop]: Abstraction has 58591 states and 65978 transitions. [2020-12-09 10:17:59,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 10:17:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 58591 states and 65978 transitions. [2020-12-09 10:17:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-12-09 10:17:59,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:17:59,182 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:17:59,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable848 [2020-12-09 10:17:59,383 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:17:59,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:17:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1359940718, now seen corresponding path program 1 times [2020-12-09 10:17:59,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:17:59,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179096638] [2020-12-09 10:17:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:17:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:17:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:17:59,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179096638] [2020-12-09 10:17:59,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:17:59,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:17:59,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368154708] [2020-12-09 10:17:59,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:17:59,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:17:59,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:17:59,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:17:59,634 INFO L87 Difference]: Start difference. First operand 58591 states and 65978 transitions. Second operand 4 states. [2020-12-09 10:18:00,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:00,562 INFO L93 Difference]: Finished difference Result 118081 states and 132945 transitions. [2020-12-09 10:18:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:00,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 308 [2020-12-09 10:18:00,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:00,613 INFO L225 Difference]: With dead ends: 118081 [2020-12-09 10:18:00,613 INFO L226 Difference]: Without dead ends: 59306 [2020-12-09 10:18:00,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:18:00,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59306 states. [2020-12-09 10:18:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59306 to 58305. [2020-12-09 10:18:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58305 states. [2020-12-09 10:18:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58305 states to 58305 states and 65666 transitions. [2020-12-09 10:18:01,290 INFO L78 Accepts]: Start accepts. Automaton has 58305 states and 65666 transitions. Word has length 308 [2020-12-09 10:18:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:01,290 INFO L481 AbstractCegarLoop]: Abstraction has 58305 states and 65666 transitions. [2020-12-09 10:18:01,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 58305 states and 65666 transitions. [2020-12-09 10:18:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-12-09 10:18:01,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:01,314 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 10:18:01,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1202 [2020-12-09 10:18:01,315 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:01,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:01,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1168222658, now seen corresponding path program 1 times [2020-12-09 10:18:01,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:01,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090410600] [2020-12-09 10:18:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 198 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:01,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090410600] [2020-12-09 10:18:01,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498544665] [2020-12-09 10:18:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/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 10:18:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:01,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:18:01,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-12-09 10:18:02,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-12-09 10:18:02,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1636585908] [2020-12-09 10:18:02,257 INFO L159 IcfgInterpreter]: Started Sifa with 145 locations of interest [2020-12-09 10:18:02,257 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 10:18:02,258 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 10:18:02,258 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 10:18:02,258 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 10:18:03,539 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:03,657 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:03,860 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:04,011 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:04,213 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:04,363 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-12-09 10:18:04,707 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:04,827 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:04,989 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,110 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,260 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,378 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,684 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,802 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:05,964 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:06,082 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-12-09 10:18:06,337 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 255 [2020-12-09 10:18:14,130 FATAL L? ?]: Ignoring exception! java.util.ConcurrentModificationException at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1134) 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 10:18:14,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2020-12-09 10:18:14,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2020-12-09 10:18:14,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76355810] [2020-12-09 10:18:14,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 10:18:14,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:14,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 10:18:14,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:18:14,132 INFO L87 Difference]: Start difference. First operand 58305 states and 65666 transitions. Second operand 7 states. [2020-12-09 10:18:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:16,499 INFO L93 Difference]: Finished difference Result 154548 states and 173157 transitions. [2020-12-09 10:18:16,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-09 10:18:16,500 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 342 [2020-12-09 10:18:16,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:16,575 INFO L225 Difference]: With dead ends: 154548 [2020-12-09 10:18:16,575 INFO L226 Difference]: Without dead ends: 92055 [2020-12-09 10:18:16,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2020-12-09 10:18:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92055 states. [2020-12-09 10:18:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92055 to 49296. [2020-12-09 10:18:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49296 states. [2020-12-09 10:18:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49296 states to 49296 states and 55288 transitions. [2020-12-09 10:18:17,303 INFO L78 Accepts]: Start accepts. Automaton has 49296 states and 55288 transitions. Word has length 342 [2020-12-09 10:18:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:17,303 INFO L481 AbstractCegarLoop]: Abstraction has 49296 states and 55288 transitions. [2020-12-09 10:18:17,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 10:18:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 49296 states and 55288 transitions. [2020-12-09 10:18:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-12-09 10:18:17,316 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:17,316 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:17,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1203,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:17,518 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash -814227947, now seen corresponding path program 1 times [2020-12-09 10:18:17,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:17,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119932781] [2020-12-09 10:18:17,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119932781] [2020-12-09 10:18:18,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76908057] [2020-12-09 10:18:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:18:18,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-09 10:18:18,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-12-09 10:18:18,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:18,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2020-12-09 10:18:18,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106509493] [2020-12-09 10:18:18,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:18,940 INFO L87 Difference]: Start difference. First operand 49296 states and 55288 transitions. Second operand 3 states. [2020-12-09 10:18:19,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,573 INFO L93 Difference]: Finished difference Result 106927 states and 120504 transitions. [2020-12-09 10:18:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:19,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2020-12-09 10:18:19,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,630 INFO L225 Difference]: With dead ends: 106927 [2020-12-09 10:18:19,630 INFO L226 Difference]: Without dead ends: 57733 [2020-12-09 10:18:19,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 737 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:19,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57733 states. [2020-12-09 10:18:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57733 to 57447. [2020-12-09 10:18:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57447 states. [2020-12-09 10:18:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57447 states to 57447 states and 64739 transitions. [2020-12-09 10:18:20,229 INFO L78 Accepts]: Start accepts. Automaton has 57447 states and 64739 transitions. Word has length 370 [2020-12-09 10:18:20,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,230 INFO L481 AbstractCegarLoop]: Abstraction has 57447 states and 64739 transitions. [2020-12-09 10:18:20,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 57447 states and 64739 transitions. [2020-12-09 10:18:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2020-12-09 10:18:20,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,244 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-09 10:18:20,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1421 [2020-12-09 10:18:20,446 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,447 INFO L82 PathProgramCache]: Analyzing trace with hash -496724398, now seen corresponding path program 1 times [2020-12-09 10:18:20,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923523297] [2020-12-09 10:18:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-12-09 10:18:20,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923523297] [2020-12-09 10:18:20,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204274391] [2020-12-09 10:18:20,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:20,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:20,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:20,679 INFO L87 Difference]: Start difference. First operand 57447 states and 64739 transitions. Second operand 4 states. [2020-12-09 10:18:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,406 INFO L93 Difference]: Finished difference Result 116079 states and 130617 transitions. [2020-12-09 10:18:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 399 [2020-12-09 10:18:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,459 INFO L225 Difference]: With dead ends: 116079 [2020-12-09 10:18:21,459 INFO L226 Difference]: Without dead ends: 58734 [2020-12-09 10:18:21,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:18:21,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58734 states. [2020-12-09 10:18:22,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58734 to 53443. [2020-12-09 10:18:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53443 states. [2020-12-09 10:18:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53443 states to 53443 states and 60036 transitions. [2020-12-09 10:18:22,111 INFO L78 Accepts]: Start accepts. Automaton has 53443 states and 60036 transitions. Word has length 399 [2020-12-09 10:18:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:22,111 INFO L481 AbstractCegarLoop]: Abstraction has 53443 states and 60036 transitions. [2020-12-09 10:18:22,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 53443 states and 60036 transitions. [2020-12-09 10:18:22,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2020-12-09 10:18:22,124 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:22,124 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 10:18:22,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1422 [2020-12-09 10:18:22,125 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:22,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1963445773, now seen corresponding path program 1 times [2020-12-09 10:18:22,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:22,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827744501] [2020-12-09 10:18:22,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-12-09 10:18:22,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827744501] [2020-12-09 10:18:22,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:22,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:22,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670753502] [2020-12-09 10:18:22,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:22,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:22,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:22,346 INFO L87 Difference]: Start difference. First operand 53443 states and 60036 transitions. Second operand 4 states. [2020-12-09 10:18:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:23,280 INFO L93 Difference]: Finished difference Result 108786 states and 122089 transitions. [2020-12-09 10:18:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:23,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 413 [2020-12-09 10:18:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:23,327 INFO L225 Difference]: With dead ends: 108786 [2020-12-09 10:18:23,327 INFO L226 Difference]: Without dead ends: 55445 [2020-12-09 10:18:23,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:18:23,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55445 states. [2020-12-09 10:18:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55445 to 54015. [2020-12-09 10:18:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54015 states. [2020-12-09 10:18:24,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54015 states to 54015 states and 60410 transitions. [2020-12-09 10:18:24,024 INFO L78 Accepts]: Start accepts. Automaton has 54015 states and 60410 transitions. Word has length 413 [2020-12-09 10:18:24,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:24,024 INFO L481 AbstractCegarLoop]: Abstraction has 54015 states and 60410 transitions. [2020-12-09 10:18:24,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 54015 states and 60410 transitions. [2020-12-09 10:18:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2020-12-09 10:18:24,043 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:24,043 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:24,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1423 [2020-12-09 10:18:24,043 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:24,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1515745931, now seen corresponding path program 1 times [2020-12-09 10:18:24,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:24,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238819714] [2020-12-09 10:18:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 368 proven. 61 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-12-09 10:18:24,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238819714] [2020-12-09 10:18:24,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324032578] [2020-12-09 10:18:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:25,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:18:25,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 10:18:25,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 10:18:25,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:25,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2020-12-09 10:18:25,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354631619] [2020-12-09 10:18:25,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:25,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:25,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:25,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:25,668 INFO L87 Difference]: Start difference. First operand 54015 states and 60410 transitions. Second operand 3 states. [2020-12-09 10:18:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:26,381 INFO L93 Difference]: Finished difference Result 130808 states and 146278 transitions. [2020-12-09 10:18:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:26,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 445 [2020-12-09 10:18:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:26,445 INFO L225 Difference]: With dead ends: 130808 [2020-12-09 10:18:26,445 INFO L226 Difference]: Without dead ends: 76895 [2020-12-09 10:18:26,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 887 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76895 states. [2020-12-09 10:18:27,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76895 to 72605. [2020-12-09 10:18:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72605 states. [2020-12-09 10:18:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72605 states to 72605 states and 80753 transitions. [2020-12-09 10:18:27,211 INFO L78 Accepts]: Start accepts. Automaton has 72605 states and 80753 transitions. Word has length 445 [2020-12-09 10:18:27,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:27,211 INFO L481 AbstractCegarLoop]: Abstraction has 72605 states and 80753 transitions. [2020-12-09 10:18:27,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 72605 states and 80753 transitions. [2020-12-09 10:18:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-12-09 10:18:27,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:27,234 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 10:18:27,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1424 [2020-12-09 10:18:27,436 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:27,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:27,437 INFO L82 PathProgramCache]: Analyzing trace with hash 498392026, now seen corresponding path program 1 times [2020-12-09 10:18:27,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:27,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152899958] [2020-12-09 10:18:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 367 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:27,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152899958] [2020-12-09 10:18:27,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164161104] [2020-12-09 10:18:27,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:28,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 10:18:28,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 553 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:18:28,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 500 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 10:18:29,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 10:18:29,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 8 [2020-12-09 10:18:29,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064192929] [2020-12-09 10:18:29,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:29,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:29,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:29,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:29,084 INFO L87 Difference]: Start difference. First operand 72605 states and 80753 transitions. Second operand 4 states. [2020-12-09 10:18:30,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:30,019 INFO L93 Difference]: Finished difference Result 145823 states and 162160 transitions. [2020-12-09 10:18:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:30,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 458 [2020-12-09 10:18:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:30,078 INFO L225 Difference]: With dead ends: 145823 [2020-12-09 10:18:30,078 INFO L226 Difference]: Without dead ends: 73320 [2020-12-09 10:18:30,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 919 GetRequests, 913 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:18:30,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73320 states. [2020-12-09 10:18:30,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73320 to 72605. [2020-12-09 10:18:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72605 states. [2020-12-09 10:18:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72605 states to 72605 states and 80753 transitions. [2020-12-09 10:18:30,852 INFO L78 Accepts]: Start accepts. Automaton has 72605 states and 80753 transitions. Word has length 458 [2020-12-09 10:18:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:30,852 INFO L481 AbstractCegarLoop]: Abstraction has 72605 states and 80753 transitions. [2020-12-09 10:18:30,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 72605 states and 80753 transitions. [2020-12-09 10:18:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2020-12-09 10:18:30,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:30,876 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 10:18:31,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1425,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:31,077 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:31,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:31,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1666709660, now seen corresponding path program 1 times [2020-12-09 10:18:31,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:31,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190562417] [2020-12-09 10:18:31,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 374 proven. 46 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-12-09 10:18:31,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190562417] [2020-12-09 10:18:31,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745424936] [2020-12-09 10:18:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:31,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:18:31,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:31,870 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 10:18:31,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-09 10:18:32,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:32,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2020-12-09 10:18:32,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410085140] [2020-12-09 10:18:32,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:32,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:32,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:32,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:32,133 INFO L87 Difference]: Start difference. First operand 72605 states and 80753 transitions. Second operand 3 states. [2020-12-09 10:18:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:32,931 INFO L93 Difference]: Finished difference Result 150399 states and 167394 transitions. [2020-12-09 10:18:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:32,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 462 [2020-12-09 10:18:32,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:32,999 INFO L225 Difference]: With dead ends: 150399 [2020-12-09 10:18:32,999 INFO L226 Difference]: Without dead ends: 77896 [2020-12-09 10:18:33,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 926 GetRequests, 921 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77896 states. [2020-12-09 10:18:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77896 to 72462. [2020-12-09 10:18:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72462 states. [2020-12-09 10:18:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72462 states to 72462 states and 80648 transitions. [2020-12-09 10:18:33,786 INFO L78 Accepts]: Start accepts. Automaton has 72462 states and 80648 transitions. Word has length 462 [2020-12-09 10:18:33,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:33,786 INFO L481 AbstractCegarLoop]: Abstraction has 72462 states and 80648 transitions. [2020-12-09 10:18:33,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 72462 states and 80648 transitions. [2020-12-09 10:18:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2020-12-09 10:18:33,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:33,811 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2020-12-09 10:18:34,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1426,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:34,013 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:34,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:34,015 INFO L82 PathProgramCache]: Analyzing trace with hash 780424882, now seen corresponding path program 1 times [2020-12-09 10:18:34,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:34,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716923569] [2020-12-09 10:18:34,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-12-09 10:18:34,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716923569] [2020-12-09 10:18:34,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:34,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:34,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759232159] [2020-12-09 10:18:34,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:34,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:34,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:34,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:34,532 INFO L87 Difference]: Start difference. First operand 72462 states and 80648 transitions. Second operand 4 states. [2020-12-09 10:18:35,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:35,666 INFO L93 Difference]: Finished difference Result 192300 states and 213544 transitions. [2020-12-09 10:18:35,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:35,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 483 [2020-12-09 10:18:35,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:35,787 INFO L225 Difference]: With dead ends: 192300 [2020-12-09 10:18:35,787 INFO L226 Difference]: Without dead ends: 119940 [2020-12-09 10:18:35,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 10:18:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119940 states. [2020-12-09 10:18:36,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119940 to 102349. [2020-12-09 10:18:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102349 states. [2020-12-09 10:18:37,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102349 states to 102349 states and 113438 transitions. [2020-12-09 10:18:37,061 INFO L78 Accepts]: Start accepts. Automaton has 102349 states and 113438 transitions. Word has length 483 [2020-12-09 10:18:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:37,062 INFO L481 AbstractCegarLoop]: Abstraction has 102349 states and 113438 transitions. [2020-12-09 10:18:37,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 102349 states and 113438 transitions. [2020-12-09 10:18:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-12-09 10:18:37,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:37,093 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, 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, 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] [2020-12-09 10:18:37,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1427 [2020-12-09 10:18:37,093 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:37,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:37,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1327641001, now seen corresponding path program 1 times [2020-12-09 10:18:37,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:37,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144197548] [2020-12-09 10:18:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 667 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:37,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144197548] [2020-12-09 10:18:37,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:37,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:18:37,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881071979] [2020-12-09 10:18:37,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:37,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:37,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:37,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:37,598 INFO L87 Difference]: Start difference. First operand 102349 states and 113438 transitions. Second operand 4 states. [2020-12-09 10:18:38,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:38,760 INFO L93 Difference]: Finished difference Result 208457 states and 230810 transitions. [2020-12-09 10:18:38,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:38,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 494 [2020-12-09 10:18:38,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:38,859 INFO L225 Difference]: With dead ends: 208457 [2020-12-09 10:18:38,859 INFO L226 Difference]: Without dead ends: 105638 [2020-12-09 10:18:38,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 10:18:38,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105638 states. [2020-12-09 10:18:40,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105638 to 99346. [2020-12-09 10:18:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99346 states. [2020-12-09 10:18:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99346 states to 99346 states and 110196 transitions. [2020-12-09 10:18:40,167 INFO L78 Accepts]: Start accepts. Automaton has 99346 states and 110196 transitions. Word has length 494 [2020-12-09 10:18:40,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:40,167 INFO L481 AbstractCegarLoop]: Abstraction has 99346 states and 110196 transitions. [2020-12-09 10:18:40,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:40,167 INFO L276 IsEmpty]: Start isEmpty. Operand 99346 states and 110196 transitions. [2020-12-09 10:18:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2020-12-09 10:18:40,226 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:40,226 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:40,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1428 [2020-12-09 10:18:40,227 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:40,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:40,227 INFO L82 PathProgramCache]: Analyzing trace with hash -746458605, now seen corresponding path program 1 times [2020-12-09 10:18:40,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:40,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131426909] [2020-12-09 10:18:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 558 proven. 200 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-12-09 10:18:41,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131426909] [2020-12-09 10:18:41,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925204624] [2020-12-09 10:18:41,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:41,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 10:18:41,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 744 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-09 10:18:41,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 744 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-09 10:18:42,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:42,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2020-12-09 10:18:42,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452989250] [2020-12-09 10:18:42,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:42,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:42,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:42,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:18:42,516 INFO L87 Difference]: Start difference. First operand 99346 states and 110196 transitions. Second operand 4 states. [2020-12-09 10:18:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:43,741 INFO L93 Difference]: Finished difference Result 273810 states and 303248 transitions. [2020-12-09 10:18:43,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:43,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 557 [2020-12-09 10:18:43,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:43,955 INFO L225 Difference]: With dead ends: 273810 [2020-12-09 10:18:43,955 INFO L226 Difference]: Without dead ends: 174566 [2020-12-09 10:18:43,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1116 GetRequests, 1111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:18:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174566 states. [2020-12-09 10:18:45,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174566 to 160693. [2020-12-09 10:18:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160693 states. [2020-12-09 10:18:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160693 states to 160693 states and 178939 transitions. [2020-12-09 10:18:45,755 INFO L78 Accepts]: Start accepts. Automaton has 160693 states and 178939 transitions. Word has length 557 [2020-12-09 10:18:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:45,756 INFO L481 AbstractCegarLoop]: Abstraction has 160693 states and 178939 transitions. [2020-12-09 10:18:45,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 160693 states and 178939 transitions. [2020-12-09 10:18:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2020-12-09 10:18:45,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:45,961 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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, 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, 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] [2020-12-09 10:18:46,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1429 [2020-12-09 10:18:46,168 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:46,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:46,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1570589187, now seen corresponding path program 1 times [2020-12-09 10:18:46,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:46,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011993752] [2020-12-09 10:18:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 490 proven. 12 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-12-09 10:18:46,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011993752] [2020-12-09 10:18:46,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165920352] [2020-12-09 10:18:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:47,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:18:47,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 770 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-12-09 10:18:47,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 770 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-12-09 10:18:48,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:48,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 5 [2020-12-09 10:18:48,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926441665] [2020-12-09 10:18:48,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:48,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:48,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:48,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:48,100 INFO L87 Difference]: Start difference. First operand 160693 states and 178939 transitions. Second operand 3 states. [2020-12-09 10:18:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:49,376 INFO L93 Difference]: Finished difference Result 422101 states and 468319 transitions. [2020-12-09 10:18:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:49,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 596 [2020-12-09 10:18:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:49,725 INFO L225 Difference]: With dead ends: 422101 [2020-12-09 10:18:49,725 INFO L226 Difference]: Without dead ends: 261510 [2020-12-09 10:18:49,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1193 GetRequests, 1190 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:49,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261510 states. [2020-12-09 10:18:52,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261510 to 246922. [2020-12-09 10:18:52,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246922 states. [2020-12-09 10:18:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246922 states to 246922 states and 274306 transitions. [2020-12-09 10:18:53,001 INFO L78 Accepts]: Start accepts. Automaton has 246922 states and 274306 transitions. Word has length 596 [2020-12-09 10:18:53,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:53,001 INFO L481 AbstractCegarLoop]: Abstraction has 246922 states and 274306 transitions. [2020-12-09 10:18:53,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 246922 states and 274306 transitions. [2020-12-09 10:18:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2020-12-09 10:18:53,105 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:53,105 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:53,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1430 [2020-12-09 10:18:53,306 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:53,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:53,306 INFO L82 PathProgramCache]: Analyzing trace with hash -2099290957, now seen corresponding path program 1 times [2020-12-09 10:18:53,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:53,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121655334] [2020-12-09 10:18:53,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 629 proven. 12 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2020-12-09 10:18:54,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121655334] [2020-12-09 10:18:54,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393498848] [2020-12-09 10:18:54,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:18:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:54,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:18:54,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:18:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 1212 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2020-12-09 10:18:55,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:18:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1637 backedges. 1212 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2020-12-09 10:18:55,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:18:55,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2020-12-09 10:18:55,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654865079] [2020-12-09 10:18:55,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:55,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:55,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:55,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:55,847 INFO L87 Difference]: Start difference. First operand 246922 states and 274306 transitions. Second operand 4 states. [2020-12-09 10:18:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:57,754 INFO L93 Difference]: Finished difference Result 471720 states and 521578 transitions. [2020-12-09 10:18:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:57,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 725 [2020-12-09 10:18:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:57,987 INFO L225 Difference]: With dead ends: 471720 [2020-12-09 10:18:57,987 INFO L226 Difference]: Without dead ends: 224900 [2020-12-09 10:18:58,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1451 GetRequests, 1447 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:58,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224900 states. [2020-12-09 10:19:00,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224900 to 143247. [2020-12-09 10:19:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143247 states. [2020-12-09 10:19:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143247 states to 143247 states and 157926 transitions. [2020-12-09 10:19:00,341 INFO L78 Accepts]: Start accepts. Automaton has 143247 states and 157926 transitions. Word has length 725 [2020-12-09 10:19:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:19:00,342 INFO L481 AbstractCegarLoop]: Abstraction has 143247 states and 157926 transitions. [2020-12-09 10:19:00,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:19:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 143247 states and 157926 transitions. [2020-12-09 10:19:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-12-09 10:19:00,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:19:00,440 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 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 10:19:00,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1431 [2020-12-09 10:19:00,642 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:19:00,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:19:00,644 INFO L82 PathProgramCache]: Analyzing trace with hash -603987342, now seen corresponding path program 1 times [2020-12-09 10:19:00,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:19:00,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275212016] [2020-12-09 10:19:00,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:19:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:19:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2650 backedges. 1119 proven. 88 refuted. 0 times theorem prover too weak. 1443 trivial. 0 not checked. [2020-12-09 10:19:01,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275212016] [2020-12-09 10:19:01,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385678331] [2020-12-09 10:19:01,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/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 10:19:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:19:01,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 10:19:01,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:19:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2650 backedges. 1384 proven. 0 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2020-12-09 10:19:02,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:19:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2650 backedges. 1384 proven. 0 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2020-12-09 10:19:03,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 10:19:03,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 7 [2020-12-09 10:19:03,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755736066] [2020-12-09 10:19:03,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:19:03,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:19:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:19:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:19:03,055 INFO L87 Difference]: Start difference. First operand 143247 states and 157926 transitions. Second operand 4 states. [2020-12-09 10:19:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:19:04,321 INFO L93 Difference]: Finished difference Result 295399 states and 325372 transitions. [2020-12-09 10:19:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:19:04,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 868 [2020-12-09 10:19:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:19:04,323 INFO L225 Difference]: With dead ends: 295399 [2020-12-09 10:19:04,323 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 10:19:04,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1738 GetRequests, 1733 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:19:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 10:19:04,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 10:19:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 10:19:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 10:19:04,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 868 [2020-12-09 10:19:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:19:04,390 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 10:19:04,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:19:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 10:19:04,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 10:19:04,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1432,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:19:04,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 10:19:52,180 WARN L197 SmtUtils]: Spent 47.53 s on a formula simplification. DAG size of input: 4030 DAG size of output: 1868 [2020-12-09 10:20:38,537 WARN L197 SmtUtils]: Spent 46.34 s on a formula simplification. DAG size of input: 3912 DAG size of output: 1868 [2020-12-09 10:21:25,147 WARN L197 SmtUtils]: Spent 46.59 s on a formula simplification. DAG size of input: 1642 DAG size of output: 269 [2020-12-09 10:22:11,126 WARN L197 SmtUtils]: Spent 45.97 s on a formula simplification. DAG size of input: 1642 DAG size of output: 269 [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,130 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,131 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,132 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,133 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1591) no Hoare annotation was computed. [2020-12-09 10:22:11,134 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,135 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,136 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,138 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse5 (= ~a6~0 1))) (let ((.cse13 (= ~a11~0 1)) (.cse24 (or .cse1 .cse5)) (.cse0 (= ~a5~0 1)) (.cse27 (<= ~a26~0 0)) (.cse11 (= ~a3~0 0)) (.cse4 (= ~a26~0 1))) (let ((.cse30 (= ~a12~0 1)) (.cse35 (= ~a2~0 1)) (.cse36 (= ~a12~0 0)) (.cse18 (= ~a15~0 1)) (.cse9 (not .cse5)) (.cse12 (= ~a8~0 0)) (.cse31 (<= ~a11~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a3~0 1)) (.cse32 (not .cse4)) (.cse8 (= ~a16~0 1)) (.cse15 (<= ~a27~0 0)) (.cse34 (or (and .cse0 .cse24 .cse11) (and .cse0 .cse27 .cse11))) (.cse22 (not .cse13)) (.cse16 (= ~a29~0 1)) (.cse14 (not (= ~a7~0 1)))) (let ((.cse28 (or (and .cse32 .cse0 .cse3 .cse8 .cse15 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse31 .cse32 .cse0 .cse3 .cse8 .cse10 .cse5 .cse6 .cse14 .cse16) (and .cse32 .cse8 .cse15 .cse34 .cse22 .cse5 .cse16 .cse14))) (.cse7 (or (and .cse0 .cse8 .cse4 .cse15 .cse9 .cse13 .cse6 .cse14) (and .cse0 .cse4 .cse8 .cse9 .cse10 .cse12 .cse13 .cse6 .cse14))) (.cse33 (or (and .cse0 .cse24 .cse11 .cse22 .cse18) (and .cse0 .cse27 .cse11 .cse22 .cse18))) (.cse21 (<= ~a6~0 0)) (.cse17 (<= 2 ~a3~0)) (.cse2 (<= ~a12~0 0)) (.cse26 (or .cse30 (and .cse35 .cse36))) (.cse29 (or .cse30 .cse4)) (.cse19 (not (= ~a14~0 1))) (.cse23 (or .cse35 (= ~a8~0 1))) (.cse20 (= ~a1~0 1)) (.cse25 (or (and .cse4 .cse36) (and .cse30 (= ~a26~0 0))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (or (and .cse7 .cse2) (and .cse0 .cse8 .cse4 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse9 .cse11 .cse13 .cse14)) .cse16) (and .cse0 .cse1 .cse17 .cse8 .cse18 .cse16 .cse14) (and .cse19 .cse0 .cse1 .cse2 .cse20 .cse8 .cse13 .cse14 .cse21) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9 .cse22 .cse18 .cse6 .cse14) (and .cse0 .cse23 .cse8 .cse24 .cse25 .cse18 .cse14 .cse26) (and .cse0 .cse27 .cse3 .cse8 .cse15 .cse25 .cse13 .cse5 .cse6 .cse14) (and .cse28 .cse25) (and .cse19 .cse0 .cse23 .cse20 .cse3 .cse8 .cse15 .cse25 .cse6 .cse14) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse3 .cse9 .cse13 .cse6 .cse14) (and .cse0 .cse3 .cse8 .cse25 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14) (and .cse0 .cse29 .cse23 .cse3 .cse8 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14 .cse16) (and .cse30 .cse31 .cse0 .cse1 .cse23 .cse8 .cse4 .cse14 .cse16 .cse21) (and .cse0 .cse1 .cse4 .cse3 .cse5 .cse6 .cse14) (and .cse31 .cse0 .cse1 .cse2 .cse23 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14) (and .cse0 .cse29 .cse15 .cse9 .cse11 .cse22 .cse18 .cse14 .cse26) (and .cse0 .cse1 .cse2 .cse9 .cse11 .cse22 .cse18 .cse14 .cse16) (and .cse0 .cse1 .cse4 .cse8 .cse11 .cse5 .cse16) (and .cse0 .cse1 .cse17 .cse19 .cse20 .cse8 .cse18 .cse14) (and .cse0 .cse1 .cse17 .cse23 .cse8 .cse18 .cse14 .cse26) (and .cse0 .cse1 .cse17 .cse19 .cse20 .cse8 .cse16 .cse14) (and .cse1 .cse4 (or (and .cse31 .cse0 .cse5 .cse14 .cse6) (and .cse0 .cse11 .cse5 .cse14))) (and .cse28 .cse29 .cse23) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14) (and .cse19 .cse0 .cse20 .cse8 .cse4 .cse11 .cse18 .cse5 .cse14 .cse26) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse24 .cse16 .cse14) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse15 .cse14 .cse21 .cse26) (and .cse0 .cse1 .cse27 .cse3 .cse8 .cse9 .cse22 .cse18 .cse6 .cse14) (and .cse0 .cse19 .cse20 .cse3 .cse8 .cse15 .cse25 .cse12 .cse5 .cse14) (and .cse31 .cse19 .cse0 .cse20 .cse3 .cse8 .cse4 .cse15 .cse6 .cse14) (and .cse0 .cse1 .cse17 .cse27 .cse8 .cse22 .cse18 .cse5 .cse14) (and .cse0 .cse19 .cse23 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14 .cse26) (and .cse19 .cse0 .cse2 .cse20 .cse3 .cse8 .cse4 .cse15 .cse14 .cse6) (and .cse31 .cse0 .cse29 .cse15 .cse9 .cse11 .cse14 .cse26) (and .cse7 .cse2 .cse25) (and .cse30 .cse31 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse31 .cse0 .cse1 .cse2 .cse8 .cse18 .cse5 .cse14) (and .cse31 .cse1 .cse0 .cse2 .cse9 .cse11 .cse16 .cse14) (and .cse31 .cse19 .cse0 .cse1 .cse17 .cse20 .cse8 .cse5 .cse14) (and .cse0 .cse1 .cse8 .cse4 .cse9 .cse25 .cse11 .cse22 .cse18 .cse14) (and .cse0 .cse19 .cse2 .cse20 .cse8 .cse4 .cse3 .cse9 .cse25 .cse13 .cse6 .cse14) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse13 .cse5 .cse16 .cse14 .cse26) (and .cse19 .cse0 .cse32 .cse1 .cse20 .cse8 .cse13 .cse14 .cse21) (and .cse31 .cse19 .cse0 .cse20 .cse4 .cse3 .cse8 .cse10 .cse5 .cse6 .cse14) (and .cse0 .cse1 .cse17 .cse2 .cse8 .cse18 .cse14) (and .cse8 .cse15 .cse33 .cse25 .cse14) (and .cse31 .cse0 .cse19 .cse27 .cse20 .cse3 .cse8 .cse15 .cse9 .cse6 .cse14) (and .cse31 .cse19 .cse0 .cse1 .cse27 .cse20 .cse8 .cse14 .cse21) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse22 .cse16 .cse6 .cse14) (and .cse30 .cse0 .cse4 .cse9 .cse24 .cse13 .cse6) (and .cse31 .cse0 .cse4 .cse11 .cse5 .cse14 .cse26) (and .cse31 .cse19 .cse27 .cse0 .cse1 .cse20 .cse3 .cse8 .cse9 .cse6 .cse14) (and .cse0 .cse1 .cse2 .cse23 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14) (and .cse0 .cse17 .cse8 .cse15 .cse4 .cse5 .cse18 .cse16 .cse14) (and .cse0 .cse1 .cse17 .cse19 .cse27 .cse20 .cse8 .cse14 .cse21) (and .cse0 .cse1 .cse2 .cse8 .cse11 .cse13 .cse14) (and .cse29 .cse23 .cse8 .cse15 .cse34 .cse5 .cse14 .cse26) (and .cse0 .cse19 .cse23 .cse20 .cse8 .cse24 .cse25 .cse14 .cse26) (and .cse0 .cse19 .cse17 .cse20 .cse8 .cse15 .cse4 .cse22 .cse16 .cse14 .cse26) (and .cse0 .cse3 .cse8 .cse4 .cse15 .cse22 .cse18 .cse6 .cse14) (and .cse30 .cse32 .cse17 .cse0 .cse1 .cse8 .cse13 .cse5 .cse14) (and .cse19 .cse0 .cse2 .cse20 .cse3 .cse8 .cse15 .cse9 .cse6 .cse14) (and .cse32 .cse19 .cse20 .cse8 .cse15 .cse25 .cse34 .cse5 .cse14) (and .cse0 .cse17 .cse23 (or .cse30 .cse35) .cse8 .cse15 .cse4 .cse5 .cse18 .cse14) (and .cse0 .cse1 .cse8 .cse4 .cse9 .cse25 .cse11 .cse13) (and .cse30 .cse0 .cse1 .cse4 .cse13 .cse18 .cse6) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14 .cse26) (and .cse31 .cse17 .cse0 .cse1 .cse8 .cse18 .cse5 .cse14) (and .cse31 .cse32 .cse0 .cse8 .cse15 .cse25 .cse11 .cse14) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse13 .cse18 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse15 .cse11 .cse14 .cse26) (and .cse0 .cse8 .cse4 .cse25 .cse13 .cse18 .cse5 .cse14 .cse16) (and (or (and .cse0 .cse3 .cse8 .cse15 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse8 .cse15 .cse34 .cse22 .cse16 .cse14) (and .cse31 .cse0 .cse4 .cse11 .cse5 .cse14 .cse16)) .cse4) (and .cse0 .cse19 .cse20 .cse3 .cse8 .cse15 .cse4 .cse24 .cse18 .cse14) (and .cse0 .cse8 .cse4 .cse9 .cse24 .cse25 .cse13 .cse18 .cse6) (and .cse0 .cse1 .cse3 .cse8 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse31 .cse0 .cse1 .cse8 .cse4 .cse18 .cse16 .cse14 .cse21 .cse26) (and .cse0 .cse1 .cse2 .cse8 .cse13 .cse18 .cse14 .cse21) (and .cse0 .cse19 .cse1 .cse20 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse15 .cse9 .cse11 .cse13 (= ~a8~0 ~a7~0) .cse26) (and .cse4 .cse33 .cse10 .cse16 .cse14) (and .cse0 .cse1 .cse27 .cse8 .cse22 .cse18 .cse14 .cse21) (and .cse0 .cse1 .cse17 .cse29 .cse23 .cse8 .cse13 .cse5 .cse16 .cse14) (and .cse30 .cse31 .cse0 .cse1 .cse4 .cse3 .cse6 .cse14 .cse16) (and .cse31 .cse0 .cse19 .cse20 .cse8 .cse25 .cse5 .cse14) (and .cse19 .cse27 .cse0 .cse1 .cse2 .cse20 .cse3 .cse8 .cse9 .cse6 .cse14) (and .cse0 .cse8 .cse4 .cse9 .cse11 .cse13 .cse16 .cse14 .cse26) (and .cse19 .cse0 .cse20 .cse3 .cse8 .cse15 .cse9 .cse22 .cse18 .cse6 .cse14) (and (or (and .cse19 .cse0 .cse20 .cse8 .cse4 .cse15 .cse11 .cse14) (and .cse0 .cse19 .cse20 .cse8 .cse15 .cse25 .cse11 .cse14 .cse21)) .cse26) (and .cse0 .cse19 .cse1 .cse23 .cse20 .cse3 .cse8 .cse25 .cse13 .cse14) (and .cse31 .cse19 .cse0 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14) (and .cse0 .cse17 .cse19 .cse23 .cse20 .cse8 .cse4 .cse15 .cse14 .cse26) (and .cse0 .cse17 .cse27 .cse2 .cse8 .cse15 .cse13 .cse18 .cse14 .cse21) (and .cse0 .cse3 .cse8 .cse4 .cse15 .cse22 .cse18 .cse14 .cse26) (and .cse4 .cse33 .cse10 .cse14 .cse26) (and .cse19 .cse0 .cse1 .cse20 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14) (and .cse0 .cse29 .cse3 .cse8 .cse15 .cse13 .cse5 .cse6 .cse32 .cse23 .cse12 .cse18 .cse14) (and .cse30 .cse0 .cse1 .cse23 .cse8 .cse11 .cse13 .cse18 .cse14) (and .cse0 .cse8 .cse4 .cse3 .cse9 .cse25 .cse13 .cse18 .cse6 .cse14) (and .cse30 .cse31 .cse0 .cse1 .cse3 .cse8 .cse4 .cse16 .cse14 .cse21) (and .cse0 .cse1 .cse17 .cse19 .cse27 .cse20 .cse8 .cse5 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse11 .cse22 .cse16 .cse14 .cse26) (and .cse27 .cse0 .cse1 .cse2 .cse8 .cse9 .cse11 .cse14 .cse16) (and .cse31 .cse19 .cse0 .cse1 .cse2 .cse20 .cse8 .cse5 .cse14) (and .cse31 .cse0 .cse2 .cse4 .cse8 .cse3 .cse5 .cse6 .cse14 .cse16) (and .cse0 .cse3 .cse8 .cse15 .cse25 .cse22 .cse12 .cse5 .cse18 .cse14) (and .cse32 .cse0 .cse1 .cse8 .cse9 .cse13 .cse6 .cse14) (and .cse31 .cse0 .cse8 .cse25 .cse18 .cse5 .cse14) (and .cse0 .cse3 .cse8 .cse4 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14) (and .cse0 .cse19 .cse27 .cse17 .cse2 .cse20 .cse8 .cse15 .cse13 .cse14 .cse21) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14 .cse26) (and .cse0 .cse23 .cse3 .cse8 .cse15 .cse4 .cse9 .cse25 .cse6 .cse16 .cse14) (and .cse0 .cse17 .cse2 .cse23 .cse8 .cse15 .cse4 .cse24 .cse18 .cse14) (and .cse19 .cse0 .cse20 .cse3 .cse8 .cse15 .cse25 .cse5 .cse14 .cse6) (and .cse19 .cse20 .cse8 .cse15 .cse25 .cse34 .cse22 .cse16 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse22 .cse18 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse11 .cse12 .cse18 .cse5 .cse14 .cse26) (and .cse30 .cse0 .cse1 .cse4 .cse11) (and .cse0 .cse27 .cse29 .cse23 .cse3 .cse8 .cse15 .cse13 .cse5 .cse18 .cse6 .cse14) (and .cse32 .cse19 .cse23 .cse20 .cse8 .cse15 .cse25 .cse34 .cse14) (and .cse1 .cse0 .cse4 .cse22 .cse5 .cse18 .cse6 .cse14)))))) [2020-12-09 10:22:11,138 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,138 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,138 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,138 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,138 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,139 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a27~0 1)) (.cse5 (= ~a6~0 1))) (let ((.cse13 (= ~a11~0 1)) (.cse24 (or .cse1 .cse5)) (.cse0 (= ~a5~0 1)) (.cse27 (<= ~a26~0 0)) (.cse11 (= ~a3~0 0)) (.cse4 (= ~a26~0 1))) (let ((.cse30 (= ~a12~0 1)) (.cse35 (= ~a2~0 1)) (.cse36 (= ~a12~0 0)) (.cse18 (= ~a15~0 1)) (.cse9 (not .cse5)) (.cse12 (= ~a8~0 0)) (.cse31 (<= ~a11~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a3~0 1)) (.cse32 (not .cse4)) (.cse8 (= ~a16~0 1)) (.cse15 (<= ~a27~0 0)) (.cse34 (or (and .cse0 .cse24 .cse11) (and .cse0 .cse27 .cse11))) (.cse22 (not .cse13)) (.cse16 (= ~a29~0 1)) (.cse14 (not (= ~a7~0 1)))) (let ((.cse28 (or (and .cse32 .cse0 .cse3 .cse8 .cse15 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse31 .cse32 .cse0 .cse3 .cse8 .cse10 .cse5 .cse6 .cse14 .cse16) (and .cse32 .cse8 .cse15 .cse34 .cse22 .cse5 .cse16 .cse14))) (.cse7 (or (and .cse0 .cse8 .cse4 .cse15 .cse9 .cse13 .cse6 .cse14) (and .cse0 .cse4 .cse8 .cse9 .cse10 .cse12 .cse13 .cse6 .cse14))) (.cse33 (or (and .cse0 .cse24 .cse11 .cse22 .cse18) (and .cse0 .cse27 .cse11 .cse22 .cse18))) (.cse21 (<= ~a6~0 0)) (.cse17 (<= 2 ~a3~0)) (.cse2 (<= ~a12~0 0)) (.cse26 (or .cse30 (and .cse35 .cse36))) (.cse29 (or .cse30 .cse4)) (.cse19 (not (= ~a14~0 1))) (.cse23 (or .cse35 (= ~a8~0 1))) (.cse20 (= ~a1~0 1)) (.cse25 (or (and .cse4 .cse36) (and .cse30 (= ~a26~0 0))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (or (and .cse7 .cse2) (and .cse0 .cse8 .cse4 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse9 .cse11 .cse13 .cse14)) .cse16) (and .cse0 .cse1 .cse17 .cse8 .cse18 .cse16 .cse14) (and .cse19 .cse0 .cse1 .cse2 .cse20 .cse8 .cse13 .cse14 .cse21) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse9 .cse22 .cse18 .cse6 .cse14) (and .cse0 .cse23 .cse8 .cse24 .cse25 .cse18 .cse14 .cse26) (and .cse0 .cse27 .cse3 .cse8 .cse15 .cse25 .cse13 .cse5 .cse6 .cse14) (and .cse28 .cse25) (and .cse19 .cse0 .cse23 .cse20 .cse3 .cse8 .cse15 .cse25 .cse6 .cse14) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse3 .cse9 .cse13 .cse6 .cse14) (and .cse0 .cse3 .cse8 .cse25 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14) (and .cse0 .cse29 .cse23 .cse3 .cse8 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14 .cse16) (and .cse30 .cse31 .cse0 .cse1 .cse23 .cse8 .cse4 .cse14 .cse16 .cse21) (and .cse0 .cse1 .cse4 .cse3 .cse5 .cse6 .cse14) (and .cse31 .cse0 .cse1 .cse2 .cse23 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14) (and .cse0 .cse29 .cse15 .cse9 .cse11 .cse22 .cse18 .cse14 .cse26) (and .cse0 .cse1 .cse2 .cse9 .cse11 .cse22 .cse18 .cse14 .cse16) (and .cse0 .cse1 .cse4 .cse8 .cse11 .cse5 .cse16) (and .cse0 .cse1 .cse17 .cse19 .cse20 .cse8 .cse18 .cse14) (and .cse0 .cse1 .cse17 .cse23 .cse8 .cse18 .cse14 .cse26) (and .cse0 .cse1 .cse17 .cse19 .cse20 .cse8 .cse16 .cse14) (and .cse1 .cse4 (or (and .cse31 .cse0 .cse5 .cse14 .cse6) (and .cse0 .cse11 .cse5 .cse14))) (and .cse28 .cse29 .cse23) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14) (and .cse19 .cse0 .cse20 .cse8 .cse4 .cse11 .cse18 .cse5 .cse14 .cse26) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse24 .cse16 .cse14) (and .cse0 .cse17 .cse19 .cse20 .cse8 .cse4 .cse15 .cse14 .cse21 .cse26) (and .cse0 .cse1 .cse27 .cse3 .cse8 .cse9 .cse22 .cse18 .cse6 .cse14) (and .cse0 .cse19 .cse20 .cse3 .cse8 .cse15 .cse25 .cse12 .cse5 .cse14) (and .cse31 .cse19 .cse0 .cse20 .cse3 .cse8 .cse4 .cse15 .cse6 .cse14) (and .cse0 .cse1 .cse17 .cse27 .cse8 .cse22 .cse18 .cse5 .cse14) (and .cse0 .cse19 .cse23 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14 .cse26) (and .cse19 .cse0 .cse2 .cse20 .cse3 .cse8 .cse4 .cse15 .cse14 .cse6) (and .cse31 .cse0 .cse29 .cse15 .cse9 .cse11 .cse14 .cse26) (and .cse7 .cse2 .cse25) (and .cse30 .cse31 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse31 .cse0 .cse1 .cse2 .cse8 .cse18 .cse5 .cse14) (and .cse31 .cse1 .cse0 .cse2 .cse9 .cse11 .cse16 .cse14) (and .cse31 .cse19 .cse0 .cse1 .cse17 .cse20 .cse8 .cse5 .cse14) (and .cse0 .cse1 .cse8 .cse4 .cse9 .cse25 .cse11 .cse22 .cse18 .cse14) (and .cse0 .cse19 .cse2 .cse20 .cse8 .cse4 .cse3 .cse9 .cse25 .cse13 .cse6 .cse14) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse13 .cse5 .cse16 .cse14 .cse26) (and .cse19 .cse0 .cse32 .cse1 .cse20 .cse8 .cse13 .cse14 .cse21) (and .cse31 .cse19 .cse0 .cse20 .cse4 .cse3 .cse8 .cse10 .cse5 .cse6 .cse14) (and .cse0 .cse1 .cse17 .cse2 .cse8 .cse18 .cse14) (and .cse8 .cse15 .cse33 .cse25 .cse14) (and .cse31 .cse0 .cse19 .cse27 .cse20 .cse3 .cse8 .cse15 .cse9 .cse6 .cse14) (and .cse31 .cse19 .cse0 .cse1 .cse27 .cse20 .cse8 .cse14 .cse21) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse22 .cse16 .cse6 .cse14) (and .cse30 .cse0 .cse4 .cse9 .cse24 .cse13 .cse6) (and .cse31 .cse0 .cse4 .cse11 .cse5 .cse14 .cse26) (and .cse31 .cse19 .cse27 .cse0 .cse1 .cse20 .cse3 .cse8 .cse9 .cse6 .cse14) (and .cse0 .cse1 .cse2 .cse23 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14) (and .cse0 .cse17 .cse8 .cse15 .cse4 .cse5 .cse18 .cse16 .cse14) (and .cse0 .cse1 .cse17 .cse19 .cse27 .cse20 .cse8 .cse14 .cse21) (and .cse0 .cse1 .cse2 .cse8 .cse11 .cse13 .cse14) (and .cse29 .cse23 .cse8 .cse15 .cse34 .cse5 .cse14 .cse26) (and .cse0 .cse19 .cse23 .cse20 .cse8 .cse24 .cse25 .cse14 .cse26) (and .cse0 .cse19 .cse17 .cse20 .cse8 .cse15 .cse4 .cse22 .cse16 .cse14 .cse26) (and .cse0 .cse3 .cse8 .cse4 .cse15 .cse22 .cse18 .cse6 .cse14) (and .cse30 .cse32 .cse17 .cse0 .cse1 .cse8 .cse13 .cse5 .cse14) (and .cse19 .cse0 .cse2 .cse20 .cse3 .cse8 .cse15 .cse9 .cse6 .cse14) (and .cse32 .cse19 .cse20 .cse8 .cse15 .cse25 .cse34 .cse5 .cse14) (and .cse0 .cse17 .cse23 (or .cse30 .cse35) .cse8 .cse15 .cse4 .cse5 .cse18 .cse14) (and .cse0 .cse1 .cse8 .cse4 .cse9 .cse25 .cse11 .cse13) (and .cse30 .cse0 .cse1 .cse4 .cse13 .cse18 .cse6) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14 .cse26) (and .cse31 .cse17 .cse0 .cse1 .cse8 .cse18 .cse5 .cse14) (and .cse31 .cse32 .cse0 .cse8 .cse15 .cse25 .cse11 .cse14) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse13 .cse18 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse15 .cse11 .cse14 .cse26) (and .cse0 .cse8 .cse4 .cse25 .cse13 .cse18 .cse5 .cse14 .cse16) (and (or (and .cse0 .cse3 .cse8 .cse15 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse8 .cse15 .cse34 .cse22 .cse16 .cse14) (and .cse31 .cse0 .cse4 .cse11 .cse5 .cse14 .cse16)) .cse4) (and .cse0 .cse19 .cse20 .cse3 .cse8 .cse15 .cse4 .cse24 .cse18 .cse14) (and .cse0 .cse8 .cse4 .cse9 .cse24 .cse25 .cse13 .cse18 .cse6) (and .cse0 .cse1 .cse3 .cse8 .cse22 .cse5 .cse16 .cse14 .cse6) (and .cse31 .cse0 .cse1 .cse8 .cse4 .cse18 .cse16 .cse14 .cse21 .cse26) (and .cse0 .cse1 .cse2 .cse8 .cse13 .cse18 .cse14 .cse21) (and .cse0 .cse19 .cse1 .cse20 .cse3 .cse8 .cse4 .cse13 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse15 .cse9 .cse11 .cse13 (= ~a8~0 ~a7~0) .cse26) (and .cse4 .cse33 .cse10 .cse16 .cse14) (and .cse0 .cse1 .cse27 .cse8 .cse22 .cse18 .cse14 .cse21) (and .cse0 .cse1 .cse17 .cse29 .cse23 .cse8 .cse13 .cse5 .cse16 .cse14) (and .cse30 .cse31 .cse0 .cse1 .cse4 .cse3 .cse6 .cse14 .cse16) (and .cse31 .cse0 .cse19 .cse20 .cse8 .cse25 .cse5 .cse14) (and .cse19 .cse27 .cse0 .cse1 .cse2 .cse20 .cse3 .cse8 .cse9 .cse6 .cse14) (and .cse0 .cse8 .cse4 .cse9 .cse11 .cse13 .cse16 .cse14 .cse26) (and .cse19 .cse0 .cse20 .cse3 .cse8 .cse15 .cse9 .cse22 .cse18 .cse6 .cse14) (and (or (and .cse19 .cse0 .cse20 .cse8 .cse4 .cse15 .cse11 .cse14) (and .cse0 .cse19 .cse20 .cse8 .cse15 .cse25 .cse11 .cse14 .cse21)) .cse26) (and .cse0 .cse19 .cse1 .cse23 .cse20 .cse3 .cse8 .cse25 .cse13 .cse14) (and .cse31 .cse19 .cse0 .cse20 .cse8 .cse4 .cse15 .cse5 .cse14) (and .cse0 .cse17 .cse19 .cse23 .cse20 .cse8 .cse4 .cse15 .cse14 .cse26) (and .cse0 .cse17 .cse27 .cse2 .cse8 .cse15 .cse13 .cse18 .cse14 .cse21) (and .cse0 .cse3 .cse8 .cse4 .cse15 .cse22 .cse18 .cse14 .cse26) (and .cse4 .cse33 .cse10 .cse14 .cse26) (and .cse19 .cse0 .cse1 .cse20 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14) (and .cse0 .cse29 .cse3 .cse8 .cse15 .cse13 .cse5 .cse6 .cse32 .cse23 .cse12 .cse18 .cse14) (and .cse30 .cse0 .cse1 .cse23 .cse8 .cse11 .cse13 .cse18 .cse14) (and .cse0 .cse8 .cse4 .cse3 .cse9 .cse25 .cse13 .cse18 .cse6 .cse14) (and .cse30 .cse31 .cse0 .cse1 .cse3 .cse8 .cse4 .cse16 .cse14 .cse21) (and .cse0 .cse1 .cse17 .cse19 .cse27 .cse20 .cse8 .cse5 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse11 .cse22 .cse16 .cse14 .cse26) (and .cse27 .cse0 .cse1 .cse2 .cse8 .cse9 .cse11 .cse14 .cse16) (and .cse31 .cse19 .cse0 .cse1 .cse2 .cse20 .cse8 .cse5 .cse14) (and .cse31 .cse0 .cse2 .cse4 .cse8 .cse3 .cse5 .cse6 .cse14 .cse16) (and .cse0 .cse3 .cse8 .cse15 .cse25 .cse22 .cse12 .cse5 .cse18 .cse14) (and .cse32 .cse0 .cse1 .cse8 .cse9 .cse13 .cse6 .cse14) (and .cse31 .cse0 .cse8 .cse25 .cse18 .cse5 .cse14) (and .cse0 .cse3 .cse8 .cse4 .cse10 .cse22 .cse18 .cse5 .cse6 .cse14) (and .cse0 .cse19 .cse27 .cse17 .cse2 .cse20 .cse8 .cse15 .cse13 .cse14 .cse21) (and .cse0 .cse1 .cse23 .cse3 .cse8 .cse4 .cse9 .cse6 .cse14 .cse26) (and .cse0 .cse23 .cse3 .cse8 .cse15 .cse4 .cse9 .cse25 .cse6 .cse16 .cse14) (and .cse0 .cse17 .cse2 .cse23 .cse8 .cse15 .cse4 .cse24 .cse18 .cse14) (and .cse19 .cse0 .cse20 .cse3 .cse8 .cse15 .cse25 .cse5 .cse14 .cse6) (and .cse19 .cse20 .cse8 .cse15 .cse25 .cse34 .cse22 .cse16 .cse14) (and .cse0 .cse8 .cse4 .cse15 .cse22 .cse18 .cse5 .cse14) (and .cse0 .cse23 .cse8 .cse4 .cse11 .cse12 .cse18 .cse5 .cse14 .cse26) (and .cse30 .cse0 .cse1 .cse4 .cse11) (and .cse0 .cse27 .cse29 .cse23 .cse3 .cse8 .cse15 .cse13 .cse5 .cse18 .cse6 .cse14) (and .cse32 .cse19 .cse23 .cse20 .cse8 .cse15 .cse25 .cse34 .cse14) (and .cse1 .cse0 .cse4 .cse22 .cse5 .cse18 .cse6 .cse14)))))) [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,141 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,142 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,143 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-09 10:22:11,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:22:11 BoogieIcfgContainer [2020-12-09 10:22:11,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:22:11,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:22:11,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:22:11,219 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:22:11,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:02" (3/4) ... [2020-12-09 10:22:11,222 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 10:22:11,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2020-12-09 10:22:11,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 10:22:11,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 10:22:11,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 10:22:11,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0879157d-f77e-42ac-b6bd-f9f2766326bd/bin/utaipan/witness.graphml [2020-12-09 10:22:11,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:22:11,427 INFO L168 Benchmark]: Toolchain (without parser) took 372231.54 ms. Allocated memory was 102.8 MB in the beginning and 8.9 GB in the end (delta: 8.8 GB). Free memory was 61.7 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 6.1 GB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,427 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:22:11,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.71 ms. Allocated memory is still 102.8 MB. Free memory was 61.5 MB in the beginning and 54.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.44 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 54.2 MB in the beginning and 91.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,428 INFO L168 Benchmark]: Boogie Preprocessor took 81.18 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 81.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,429 INFO L168 Benchmark]: RCFGBuilder took 2150.65 ms. Allocated memory was 127.9 MB in the beginning and 161.5 MB in the end (delta: 33.6 MB). Free memory was 81.0 MB in the beginning and 48.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,429 INFO L168 Benchmark]: TraceAbstraction took 369061.26 ms. Allocated memory was 161.5 MB in the beginning and 8.9 GB in the end (delta: 8.7 GB). Free memory was 48.3 MB in the beginning and 2.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,429 INFO L168 Benchmark]: Witness Printer took 207.54 ms. Allocated memory is still 8.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:22:11,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory is still 83.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.71 ms. Allocated memory is still 102.8 MB. Free memory was 61.5 MB in the beginning and 54.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.44 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 54.2 MB in the beginning and 91.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.18 ms. Allocated memory is still 127.9 MB. Free memory was 91.5 MB in the beginning and 81.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2150.65 ms. Allocated memory was 127.9 MB in the beginning and 161.5 MB in the end (delta: 33.6 MB). Free memory was 81.0 MB in the beginning and 48.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 369061.26 ms. Allocated memory was 161.5 MB in the beginning and 8.9 GB in the end (delta: 8.7 GB). Free memory was 48.3 MB in the beginning and 2.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 8.0 GB. Max. memory is 16.1 GB. * Witness Printer took 207.54 ms. Allocated memory is still 8.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1591]: 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a12 <= 0) && 1 <= a3) && a26 == 1) && a6 == 1) && a3 <= 1) || ((((((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1)) || ((((((((a5 == 1 && a26 == 1) && a16 == 1) && !(a6 == 1)) && !(a27 == 1)) && a8 == 0) && a11 == 1) && a3 <= 1) && !(a7 == 1))) && a12 <= 0) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && !(a27 == 1)) && a3 == 0) && a8 == 0) && a11 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && a11 == 1) && !(a7 == 1))) && a29 == 1)) || ((((((a5 == 1 && a27 == 1) && 2 <= a3) && a16 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((!(a14 == 1) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && a16 == 1) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && a26 <= 0) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((((!(a26 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((!(a26 == 1) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1))) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && (a2 == 1 || a8 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && !(a7 == 1)) && a29 == 1) && a6 <= 0)) || ((((((a5 == 1 && a27 == 1) && a26 == 1) && 1 <= a3) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && a27 == 1) && a12 <= 0) && !(a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && a29 == 1)) || ((((((a5 == 1 && a27 == 1) && a26 == 1) && a16 == 1) && a3 == 0) && a6 == 1) && a29 == 1)) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a15 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && (a2 == 1 || a8 == 1)) && a16 == 1) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a29 == 1) && !(a7 == 1))) || ((a27 == 1 && a26 == 1) && (((((a11 <= 0 && a5 == 1) && a6 == 1) && !(a7 == 1)) && a3 <= 1) || (((a5 == 1 && a3 == 0) && a6 == 1) && !(a7 == 1))))) || (((((((((((((!(a26 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((!(a26 == 1) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1))) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1))) || ((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a3 == 0) && a15 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && (a27 == 1 || a6 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && a6 <= 0) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && a27 == 1) && a26 <= 0) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a8 == 0) && a6 == 1) && !(a7 == 1))) || (((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a16 == 1) && !(a11 == 1)) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && a3 <= 1)) || (((((((a11 <= 0 && a5 == 1) && (a12 == 1 || a26 == 1)) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1)) || ((((((((a5 == 1 && a26 == 1) && a16 == 1) && !(a6 == 1)) && !(a27 == 1)) && a8 == 0) && a11 == 1) && a3 <= 1) && !(a7 == 1))) && a12 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0)))) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && a26 == 1) && a6 == 1) && a3 <= 1)) || (((((((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && a16 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a11 <= 0 && a27 == 1) && a5 == 1) && a12 <= 0) && !(a6 == 1)) && a3 == 0) && a29 == 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && 2 <= a3) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1))) || (((((((((((a5 == 1 && !(a14 == 1)) && a12 <= 0) && a1 == 1) && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((!(a14 == 1) && a5 == 1) && !(a26 == 1)) && a27 == 1) && a1 == 1) && a16 == 1) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && a26 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a16 == 1) && a15 == 1) && !(a7 == 1))) || ((((a16 == 1 && a27 <= 0) && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a7 == 1))) || ((((((((((a11 <= 0 && a5 == 1) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && a26 <= 0) && a1 == 1) && a16 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a11 == 1)) && a29 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a12 == 1 && a5 == 1) && a26 == 1) && !(a6 == 1)) && (a27 == 1 || a6 == 1)) && a11 == 1) && a3 <= 1)) || ((((((a11 <= 0 && a5 == 1) && a26 == 1) && a3 == 0) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a11 <= 0 && !(a14 == 1)) && a26 <= 0) && a5 == 1) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a12 <= 0) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && 2 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && a6 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && a16 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a3 == 0) && a11 == 1) && !(a7 == 1))) || ((((((((a12 == 1 || a26 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && !(a14 == 1)) && 2 <= a3) && a1 == 1) && a16 == 1) && a27 <= 0) && a26 == 1) && !(a11 == 1)) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((a12 == 1 && !(a26 == 1)) && 2 <= a3) && a5 == 1) && a27 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((!(a26 == 1) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && (a2 == 1 || a8 == 1)) && (a12 == 1 || a2 == 1)) && a16 == 1) && a27 <= 0) && a26 == 1) && a6 == 1) && a15 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && a11 == 1)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a26 == 1) && a11 == 1) && a15 == 1) && a3 <= 1)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a11 <= 0 && 2 <= a3) && a5 == 1) && a27 == 1) && a16 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1)) && a29 == 1)) || (((((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((a16 == 1 && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a29 == 1) && !(a7 == 1))) || ((((((a11 <= 0 && a5 == 1) && a26 == 1) && a3 == 0) && a6 == 1) && !(a7 == 1)) && a29 == 1)) && a26 == 1)) || (((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && (a27 == 1 || a6 == 1)) && a15 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a3 <= 1)) || ((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1)) || (((((((((a11 <= 0 && a5 == 1) && a27 == 1) && a16 == 1) && a26 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1)) && a6 <= 0) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a11 == 1) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && !(a14 == 1)) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && a11 == 1) && a8 == a7) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a26 == 1 && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && !(a27 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && a26 <= 0) && a16 == 1) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && 2 <= a3) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && a16 == 1) && a11 == 1) && a6 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && a26 == 1) && 1 <= a3) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((a11 <= 0 && a5 == 1) && !(a14 == 1)) && a1 == 1) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a6 == 1) && !(a7 == 1))) || ((((((((((!(a14 == 1) && a26 <= 0) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 == 0) && a11 == 1) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a7 == 1)) || ((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a7 == 1)) && a6 <= 0)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && !(a14 == 1)) && a27 == 1) && (a2 == 1 || a8 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a12 <= 0) && a16 == 1) && a27 <= 0) && a11 == 1) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a26 == 1 && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && !(a27 == 1)) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a3 <= 1) && !(a26 == 1)) && (a2 == 1 || a8 == 1)) && a8 == 0) && a15 == 1) && !(a7 == 1))) || ((((((((a12 == 1 && a5 == 1) && a27 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a3 == 0) && a11 == 1) && a15 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a29 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a11 == 1)) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a26 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && a16 == 1) && !(a6 == 1)) && a3 == 0) && !(a7 == 1)) && a29 == 1)) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a11 <= 0 && a5 == 1) && a12 <= 0) && a26 == 1) && a16 == 1) && 1 <= a3) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a11 == 1)) && a8 == 0) && a6 == 1) && a15 == 1) && !(a7 == 1))) || (((((((!(a26 == 1) && a5 == 1) && a27 == 1) && a16 == 1) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a11 <= 0 && a5 == 1) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((a5 == 1 && !(a14 == 1)) && a26 <= 0) && 2 <= a3) && a12 <= 0) && a1 == 1) && a16 == 1) && a27 <= 0) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 <= 1) && a29 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && a12 <= 0) && (a2 == 1 || a8 == 1)) && a16 == 1) && a27 <= 0) && a26 == 1) && (a27 == 1 || a6 == 1)) && a15 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a6 == 1) && !(a7 == 1)) && a3 <= 1)) || ((((((((!(a14 == 1) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a3 == 0) && a8 == 0) && a15 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0)) || (((((((((((a5 == 1 && a26 <= 0) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((!(a26 == 1) && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a7 == 1))) || (((((((a27 == 1 && a5 == 1) && a26 == 1) && !(a11 == 1)) && a6 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && a27 == 1) && a12 <= 0) && 1 <= a3) && a26 == 1) && a6 == 1) && a3 <= 1) || ((((((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1)) || ((((((((a5 == 1 && a26 == 1) && a16 == 1) && !(a6 == 1)) && !(a27 == 1)) && a8 == 0) && a11 == 1) && a3 <= 1) && !(a7 == 1))) && a12 <= 0) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && !(a27 == 1)) && a3 == 0) && a8 == 0) && a11 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && a11 == 1) && !(a7 == 1))) && a29 == 1)) || ((((((a5 == 1 && a27 == 1) && 2 <= a3) && a16 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((!(a14 == 1) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && a16 == 1) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && a26 <= 0) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((((!(a26 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((!(a26 == 1) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1))) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && (a2 == 1 || a8 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && !(a7 == 1)) && a29 == 1) && a6 <= 0)) || ((((((a5 == 1 && a27 == 1) && a26 == 1) && 1 <= a3) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && a27 == 1) && a12 <= 0) && !(a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && a29 == 1)) || ((((((a5 == 1 && a27 == 1) && a26 == 1) && a16 == 1) && a3 == 0) && a6 == 1) && a29 == 1)) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a15 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && (a2 == 1 || a8 == 1)) && a16 == 1) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a29 == 1) && !(a7 == 1))) || ((a27 == 1 && a26 == 1) && (((((a11 <= 0 && a5 == 1) && a6 == 1) && !(a7 == 1)) && a3 <= 1) || (((a5 == 1 && a3 == 0) && a6 == 1) && !(a7 == 1))))) || (((((((((((((!(a26 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((!(a26 == 1) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1))) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1))) || ((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a3 == 0) && a15 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && (a27 == 1 || a6 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && a6 <= 0) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && a27 == 1) && a26 <= 0) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a8 == 0) && a6 == 1) && !(a7 == 1))) || (((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a16 == 1) && !(a11 == 1)) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && a3 <= 1)) || (((((((a11 <= 0 && a5 == 1) && (a12 == 1 || a26 == 1)) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1)) || ((((((((a5 == 1 && a26 == 1) && a16 == 1) && !(a6 == 1)) && !(a27 == 1)) && a8 == 0) && a11 == 1) && a3 <= 1) && !(a7 == 1))) && a12 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0)))) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && a26 == 1) && a6 == 1) && a3 <= 1)) || (((((((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && a16 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a11 <= 0 && a27 == 1) && a5 == 1) && a12 <= 0) && !(a6 == 1)) && a3 == 0) && a29 == 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && 2 <= a3) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1))) || (((((((((((a5 == 1 && !(a14 == 1)) && a12 <= 0) && a1 == 1) && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((!(a14 == 1) && a5 == 1) && !(a26 == 1)) && a27 == 1) && a1 == 1) && a16 == 1) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && a26 == 1) && 1 <= a3) && a16 == 1) && !(a27 == 1)) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a5 == 1 && a27 == 1) && 2 <= a3) && a12 <= 0) && a16 == 1) && a15 == 1) && !(a7 == 1))) || ((((a16 == 1 && a27 <= 0) && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a7 == 1))) || ((((((((((a11 <= 0 && a5 == 1) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && a26 <= 0) && a1 == 1) && a16 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a11 == 1)) && a29 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a12 == 1 && a5 == 1) && a26 == 1) && !(a6 == 1)) && (a27 == 1 || a6 == 1)) && a11 == 1) && a3 <= 1)) || ((((((a11 <= 0 && a5 == 1) && a26 == 1) && a3 == 0) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a11 <= 0 && !(a14 == 1)) && a26 <= 0) && a5 == 1) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || (((((((((a5 == 1 && a27 == 1) && a12 <= 0) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && 2 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && a6 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && a16 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a3 == 0) && a11 == 1) && !(a7 == 1))) || ((((((((a12 == 1 || a26 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && !(a14 == 1)) && 2 <= a3) && a1 == 1) && a16 == 1) && a27 <= 0) && a26 == 1) && !(a11 == 1)) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((a12 == 1 && !(a26 == 1)) && 2 <= a3) && a5 == 1) && a27 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((!(a26 == 1) && !(a14 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && (a2 == 1 || a8 == 1)) && (a12 == 1 || a2 == 1)) && a16 == 1) && a27 <= 0) && a26 == 1) && a6 == 1) && a15 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && a11 == 1)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a26 == 1) && a11 == 1) && a15 == 1) && a3 <= 1)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a11 <= 0 && 2 <= a3) && a5 == 1) && a27 == 1) && a16 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a11 <= 0 && !(a26 == 1)) && a5 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a7 == 1))) || ((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a6 == 1) && !(a7 == 1)) && a29 == 1)) || (((((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1) || (((((a16 == 1 && a27 <= 0) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a29 == 1) && !(a7 == 1))) || ((((((a11 <= 0 && a5 == 1) && a26 == 1) && a3 == 0) && a6 == 1) && !(a7 == 1)) && a29 == 1)) && a26 == 1)) || (((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && (a27 == 1 || a6 == 1)) && a15 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && (a27 == 1 || a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a3 <= 1)) || ((((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && !(a11 == 1)) && a6 == 1) && a29 == 1) && !(a7 == 1)) && a3 <= 1)) || (((((((((a11 <= 0 && a5 == 1) && a27 == 1) && a16 == 1) && a26 == 1) && a15 == 1) && a29 == 1) && !(a7 == 1)) && a6 <= 0) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((a5 == 1 && a27 == 1) && a12 <= 0) && a16 == 1) && a11 == 1) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && !(a14 == 1)) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a6 == 1)) && a3 == 0) && a11 == 1) && a8 == a7) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a26 == 1 && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && !(a27 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a27 == 1) && a26 <= 0) && a16 == 1) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && 2 <= a3) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && a16 == 1) && a11 == 1) && a6 == 1) && a29 == 1) && !(a7 == 1))) || ((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && a26 == 1) && 1 <= a3) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((a11 <= 0 && a5 == 1) && !(a14 == 1)) && a1 == 1) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a6 == 1) && !(a7 == 1))) || ((((((((((!(a14 == 1) && a26 <= 0) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && 1 <= a3) && a16 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 == 0) && a11 == 1) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && !(a6 == 1)) && !(a11 == 1)) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a7 == 1)) || ((((((((a5 == 1 && !(a14 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 == 0) && !(a7 == 1)) && a6 <= 0)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && !(a14 == 1)) && a27 == 1) && (a2 == 1 || a8 == 1)) && a1 == 1) && 1 <= a3) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && !(a7 == 1))) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((a5 == 1 && 2 <= a3) && a26 <= 0) && a12 <= 0) && a16 == 1) && a27 <= 0) && a11 == 1) && a15 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a26 == 1 && (((((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) && !(a11 == 1)) && a15 == 1) || ((((a5 == 1 && a26 <= 0) && a3 == 0) && !(a11 == 1)) && a15 == 1))) && !(a27 == 1)) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || (((((((((!(a14 == 1) && a5 == 1) && a27 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1))) || ((((((((((((a5 == 1 && (a12 == 1 || a26 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a3 <= 1) && !(a26 == 1)) && (a2 == 1 || a8 == 1)) && a8 == 0) && a15 == 1) && !(a7 == 1))) || ((((((((a12 == 1 && a5 == 1) && a27 == 1) && (a2 == 1 || a8 == 1)) && a16 == 1) && a3 == 0) && a11 == 1) && a15 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && a16 == 1) && a26 == 1) && 1 <= a3) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a11 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || (((((((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a29 == 1) && !(a7 == 1)) && a6 <= 0)) || ((((((((a5 == 1 && a27 == 1) && 2 <= a3) && !(a14 == 1)) && a26 <= 0) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || ((((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && !(a11 == 1)) && a29 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((a26 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0) && a16 == 1) && !(a6 == 1)) && a3 == 0) && !(a7 == 1)) && a29 == 1)) || ((((((((a11 <= 0 && !(a14 == 1)) && a5 == 1) && a27 == 1) && a12 <= 0) && a1 == 1) && a16 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a11 <= 0 && a5 == 1) && a12 <= 0) && a26 == 1) && a16 == 1) && 1 <= a3) && a6 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1)) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && !(a11 == 1)) && a8 == 0) && a6 == 1) && a15 == 1) && !(a7 == 1))) || (((((((!(a26 == 1) && a5 == 1) && a27 == 1) && a16 == 1) && !(a6 == 1)) && a11 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((a11 <= 0 && a5 == 1) && a16 == 1) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 1 <= a3) && a16 == 1) && a26 == 1) && !(a27 == 1)) && !(a11 == 1)) && a15 == 1) && a6 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((((a5 == 1 && !(a14 == 1)) && a26 <= 0) && 2 <= a3) && a12 <= 0) && a1 == 1) && a16 == 1) && a27 <= 0) && a11 == 1) && !(a7 == 1)) && a6 <= 0)) || (((((((((a5 == 1 && a27 == 1) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a26 == 1) && !(a6 == 1)) && a3 <= 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a26 == 1) && !(a6 == 1)) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a3 <= 1) && a29 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && 2 <= a3) && a12 <= 0) && (a2 == 1 || a8 == 1)) && a16 == 1) && a27 <= 0) && a26 == 1) && (a27 == 1 || a6 == 1)) && a15 == 1) && !(a7 == 1))) || (((((((((!(a14 == 1) && a5 == 1) && a1 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && a6 == 1) && !(a7 == 1)) && a3 <= 1)) || ((((((((!(a14 == 1) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a11 == 1)) && a29 == 1) && !(a7 == 1))) || (((((((a5 == 1 && a16 == 1) && a26 == 1) && a27 <= 0) && !(a11 == 1)) && a15 == 1) && a6 == 1) && !(a7 == 1))) || (((((((((a5 == 1 && (a2 == 1 || a8 == 1)) && a16 == 1) && a26 == 1) && a3 == 0) && a8 == 0) && a15 == 1) && a6 == 1) && !(a7 == 1)) && (a12 == 1 || (a2 == 1 && a12 == 0)))) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0)) || (((((((((((a5 == 1 && a26 <= 0) && (a12 == 1 || a26 == 1)) && (a2 == 1 || a8 == 1)) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1))) || ((((((((!(a26 == 1) && !(a14 == 1)) && (a2 == 1 || a8 == 1)) && a1 == 1) && a16 == 1) && a27 <= 0) && ((a26 == 1 && a12 == 0) || (a12 == 1 && a26 == 0))) && (((a5 == 1 && (a27 == 1 || a6 == 1)) && a3 == 0) || ((a5 == 1 && a26 <= 0) && a3 == 0))) && !(a7 == 1))) || (((((((a27 == 1 && a5 == 1) && a26 == 1) && !(a11 == 1)) && a6 == 1) && a15 == 1) && a3 <= 1) && !(a7 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 148 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 182.3s, OverallIterations: 29, TraceHistogramMax: 10, AutomataDifference: 41.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 186.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3379 SDtfs, 6442 SDslu, 749 SDs, 0 SdLazy, 20415 SolverSat, 3609 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12579 GetRequests, 12432 SyntacticMatches, 31 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246922occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.1s AutomataMinimizationTime, 29 MinimizatonAttempts, 216379 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 2128 NumberOfFragments, 9903 HoareAnnotationTreeSize, 3 FomulaSimplifications, 16185361 FormulaSimplificationTreeSizeReduction, 93.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2662820 FormulaSimplificationTreeSizeReductionInter, 92.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 16123 NumberOfCodeBlocks, 16123 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 22162 ConstructedInterpolants, 0 QuantifiedInterpolants, 33183632 SizeOfPredicates, 151 NumberOfNonLiveVariables, 10582 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 57 InterpolantComputations, 36 PerfectInterpolantSequences, 29104/31073 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: OVERALL_TIME[ms]: 36426, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 121, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 246, TOOLS_POST_TIME[ms]: 241, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 188, TOOLS_QUANTIFIERELIM_TIME[ms]: 188, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 112, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 364, FLUID_YES_ANSWERS: 265, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 1169, DOMAIN_ALPHA_APPLICATIONS: 265, DOMAIN_ALPHA_TIME[ms]: 34191, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 121, DOMAIN_ISBOTTOM_TIME[ms]: 481, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2574, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2574, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 265, DAG_COMPRESSION_PROCESSED_NODES: 16407, DAG_COMPRESSION_RETAINED_NODES: 428, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...