./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_cev_3.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_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_cev_3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/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 ebf988d31fcd3cadbe9186e5c12b1dc7e415d801 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:38:48,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:38:48,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:38:48,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:38:48,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:38:48,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:38:48,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:38:48,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:38:48,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:38:48,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:38:48,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:38:48,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:38:48,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:38:48,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:38:48,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:38:48,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:38:48,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:38:48,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:38:48,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:38:48,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:38:48,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:38:48,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:38:48,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:38:48,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:38:48,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:38:48,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:38:48,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:38:48,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:38:48,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:38:48,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:38:48,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:38:48,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:38:48,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:38:48,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:38:48,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:38:48,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:38:48,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:38:48,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:38:48,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:38:48,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:38:48,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:38:48,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:38:48,342 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:38:48,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:38:48,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:38:48,343 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:38:48,343 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:38:48,343 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:38:48,343 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:38:48,343 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:38:48,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:38:48,344 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:38:48,344 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:38:48,344 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:38:48,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:38:48,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:38:48,344 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:38:48,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:38:48,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:38:48,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:38:48,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:38:48,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:38:48,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:38:48,347 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_559451ab-a8b7-4419-9c4c-c41199c59b07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebf988d31fcd3cadbe9186e5c12b1dc7e415d801 [2020-12-09 09:38:48,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:38:48,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:38:48,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:38:48,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:38:48,533 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:38:48,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_cev_3.c [2020-12-09 09:38:48,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/data/22e952e6c/59db67deab6a409994e434500ad10137/FLAG94a4cbd72 [2020-12-09 09:38:56,215 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:38:56,216 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/sv-benchmarks/c/psyco/psyco_cev_3.c [2020-12-09 09:38:58,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/data/22e952e6c/59db67deab6a409994e434500ad10137/FLAG94a4cbd72 [2020-12-09 09:38:58,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/data/22e952e6c/59db67deab6a409994e434500ad10137 [2020-12-09 09:38:58,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:38:58,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:38:58,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:38:58,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:38:58,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:38:58,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:38:58" (1/1) ... [2020-12-09 09:38:58,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@daf8fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:38:58, skipping insertion in model container [2020-12-09 09:38:58,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:38:58" (1/1) ... [2020-12-09 09:38:58,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:39:04,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:41:09,057 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_559451ab-a8b7-4419-9c4c-c41199c59b07/sv-benchmarks/c/psyco/psyco_cev_3.c[81003072,81003085] [2020-12-09 09:41:09,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:41:09,408 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:42:39,979 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_559451ab-a8b7-4419-9c4c-c41199c59b07/sv-benchmarks/c/psyco/psyco_cev_3.c[81003072,81003085] [2020-12-09 09:42:40,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:42:40,336 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:42:40,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40 WrapperNode [2020-12-09 09:42:40,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:42:40,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:42:40,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:42:40,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:42:40,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:42:45,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:00,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:43:00,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:43:00,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:43:00,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:43:00,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:00,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:04,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:04,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:12,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:13,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:16,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... [2020-12-09 09:43:20,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:43:20,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:43:20,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:43:20,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:43:20,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/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 09:43:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:43:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:43:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:43:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:43:42,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:43:42,072 INFO L299 CfgBuilder]: Removed 202 assume(true) statements. [2020-12-09 09:43:42,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:42 BoogieIcfgContainer [2020-12-09 09:43:42,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:43:42,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:43:42,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:43:42,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:43:42,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:38:58" (1/3) ... [2020-12-09 09:43:42,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266b95e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:43:42, skipping insertion in model container [2020-12-09 09:43:42,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:42:40" (2/3) ... [2020-12-09 09:43:42,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@266b95e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:43:42, skipping insertion in model container [2020-12-09 09:43:42,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:42" (3/3) ... [2020-12-09 09:43:42,088 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_cev_3.c [2020-12-09 09:43:42,100 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:43:42,110 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:43:42,120 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:43:42,162 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:43:42,162 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:43:42,162 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:43:42,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:43:42,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:43:42,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:43:42,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:43:42,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:43:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8321 states. [2020-12-09 09:43:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 09:43:42,246 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:42,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:42,247 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -968480975, now seen corresponding path program 1 times [2020-12-09 09:43:42,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:42,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065553751] [2020-12-09 09:43:42,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:42,396 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 09:43:42,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065553751] [2020-12-09 09:43:42,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:42,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:42,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105087153] [2020-12-09 09:43:42,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 09:43:42,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 09:43:42,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:43:42,411 INFO L87 Difference]: Start difference. First operand 8321 states. Second operand 2 states. [2020-12-09 09:43:42,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:42,541 INFO L93 Difference]: Finished difference Result 14081 states and 28149 transitions. [2020-12-09 09:43:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 09:43:42,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 09:43:42,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:42,582 INFO L225 Difference]: With dead ends: 14081 [2020-12-09 09:43:42,582 INFO L226 Difference]: Without dead ends: 5714 [2020-12-09 09:43:42,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:43:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2020-12-09 09:43:42,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 5714. [2020-12-09 09:43:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5714 states. [2020-12-09 09:43:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 8499 transitions. [2020-12-09 09:43:42,722 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 8499 transitions. Word has length 8 [2020-12-09 09:43:42,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:42,722 INFO L481 AbstractCegarLoop]: Abstraction has 5714 states and 8499 transitions. [2020-12-09 09:43:42,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 09:43:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 8499 transitions. [2020-12-09 09:43:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:43:42,723 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:42,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:42,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:43:42,723 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:42,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:42,724 INFO L82 PathProgramCache]: Analyzing trace with hash 573034783, now seen corresponding path program 1 times [2020-12-09 09:43:42,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:42,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119157629] [2020-12-09 09:43:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:42,792 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 09:43:42,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119157629] [2020-12-09 09:43:42,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:42,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:42,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258738684] [2020-12-09 09:43:42,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:42,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:42,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:42,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:42,795 INFO L87 Difference]: Start difference. First operand 5714 states and 8499 transitions. Second operand 3 states. [2020-12-09 09:43:43,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:43,121 INFO L93 Difference]: Finished difference Result 11430 states and 17001 transitions. [2020-12-09 09:43:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:43,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-09 09:43:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:43,152 INFO L225 Difference]: With dead ends: 11430 [2020-12-09 09:43:43,152 INFO L226 Difference]: Without dead ends: 5717 [2020-12-09 09:43:43,161 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 09:43:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5717 states. [2020-12-09 09:43:43,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5717 to 5717. [2020-12-09 09:43:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5717 states. [2020-12-09 09:43:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5717 states to 5717 states and 8502 transitions. [2020-12-09 09:43:43,278 INFO L78 Accepts]: Start accepts. Automaton has 5717 states and 8502 transitions. Word has length 9 [2020-12-09 09:43:43,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:43,278 INFO L481 AbstractCegarLoop]: Abstraction has 5717 states and 8502 transitions. [2020-12-09 09:43:43,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5717 states and 8502 transitions. [2020-12-09 09:43:43,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 09:43:43,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:43,279 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:43,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 09:43:43,280 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:43,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:43,280 INFO L82 PathProgramCache]: Analyzing trace with hash -2139236780, now seen corresponding path program 1 times [2020-12-09 09:43:43,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:43,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915585789] [2020-12-09 09:43:43,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:43:43,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915585789] [2020-12-09 09:43:43,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:43,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:43,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425683947] [2020-12-09 09:43:43,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:43,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:43,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:43,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:43,356 INFO L87 Difference]: Start difference. First operand 5717 states and 8502 transitions. Second operand 3 states. [2020-12-09 09:43:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:43,684 INFO L93 Difference]: Finished difference Result 11438 states and 17010 transitions. [2020-12-09 09:43:43,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:43,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-09 09:43:43,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:43,715 INFO L225 Difference]: With dead ends: 11438 [2020-12-09 09:43:43,715 INFO L226 Difference]: Without dead ends: 5723 [2020-12-09 09:43:43,723 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 09:43:43,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-12-09 09:43:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5721. [2020-12-09 09:43:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5721 states. [2020-12-09 09:43:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 8506 transitions. [2020-12-09 09:43:43,842 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 8506 transitions. Word has length 14 [2020-12-09 09:43:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:43,842 INFO L481 AbstractCegarLoop]: Abstraction has 5721 states and 8506 transitions. [2020-12-09 09:43:43,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 8506 transitions. [2020-12-09 09:43:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 09:43:43,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:43,843 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:43,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 09:43:43,844 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:43,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:43,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1992907981, now seen corresponding path program 1 times [2020-12-09 09:43:43,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:43,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859987597] [2020-12-09 09:43:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:43,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859987597] [2020-12-09 09:43:43,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:43,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:43,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667062182] [2020-12-09 09:43:43,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:43,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:43,905 INFO L87 Difference]: Start difference. First operand 5721 states and 8506 transitions. Second operand 3 states. [2020-12-09 09:43:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:44,519 INFO L93 Difference]: Finished difference Result 17149 states and 25504 transitions. [2020-12-09 09:43:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:44,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 09:43:44,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:44,575 INFO L225 Difference]: With dead ends: 17149 [2020-12-09 09:43:44,576 INFO L226 Difference]: Without dead ends: 11416 [2020-12-09 09:43:44,586 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 09:43:44,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11416 states. [2020-12-09 09:43:44,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11416 to 11336. [2020-12-09 09:43:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11336 states. [2020-12-09 09:43:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11336 states to 11336 states and 16875 transitions. [2020-12-09 09:43:44,815 INFO L78 Accepts]: Start accepts. Automaton has 11336 states and 16875 transitions. Word has length 17 [2020-12-09 09:43:44,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:44,815 INFO L481 AbstractCegarLoop]: Abstraction has 11336 states and 16875 transitions. [2020-12-09 09:43:44,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 11336 states and 16875 transitions. [2020-12-09 09:43:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 09:43:44,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:44,816 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:44,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 09:43:44,817 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:44,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1285145383, now seen corresponding path program 1 times [2020-12-09 09:43:44,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:44,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589763526] [2020-12-09 09:43:44,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:44,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589763526] [2020-12-09 09:43:44,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:44,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:44,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347485498] [2020-12-09 09:43:44,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:44,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:44,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:44,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:44,884 INFO L87 Difference]: Start difference. First operand 11336 states and 16875 transitions. Second operand 3 states. [2020-12-09 09:43:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:45,272 INFO L93 Difference]: Finished difference Result 22081 states and 32874 transitions. [2020-12-09 09:43:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:45,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-12-09 09:43:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:45,290 INFO L225 Difference]: With dead ends: 22081 [2020-12-09 09:43:45,290 INFO L226 Difference]: Without dead ends: 10747 [2020-12-09 09:43:45,302 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 09:43:45,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10747 states. [2020-12-09 09:43:45,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10747 to 10745. [2020-12-09 09:43:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10745 states. [2020-12-09 09:43:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10745 states to 10745 states and 15994 transitions. [2020-12-09 09:43:45,434 INFO L78 Accepts]: Start accepts. Automaton has 10745 states and 15994 transitions. Word has length 23 [2020-12-09 09:43:45,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:45,434 INFO L481 AbstractCegarLoop]: Abstraction has 10745 states and 15994 transitions. [2020-12-09 09:43:45,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 10745 states and 15994 transitions. [2020-12-09 09:43:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 09:43:45,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:45,436 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:43:45,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 09:43:45,437 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash 411134691, now seen corresponding path program 1 times [2020-12-09 09:43:45,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:45,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034097808] [2020-12-09 09:43:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:45,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034097808] [2020-12-09 09:43:45,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:45,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:45,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545789854] [2020-12-09 09:43:45,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:45,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:45,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:45,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:45,481 INFO L87 Difference]: Start difference. First operand 10745 states and 15994 transitions. Second operand 3 states. [2020-12-09 09:43:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:45,758 INFO L93 Difference]: Finished difference Result 20926 states and 31150 transitions. [2020-12-09 09:43:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:45,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-09 09:43:45,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:45,781 INFO L225 Difference]: With dead ends: 20926 [2020-12-09 09:43:45,781 INFO L226 Difference]: Without dead ends: 10757 [2020-12-09 09:43:45,804 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 09:43:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10757 states. [2020-12-09 09:43:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10757 to 10755. [2020-12-09 09:43:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10755 states. [2020-12-09 09:43:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10755 states to 10755 states and 16004 transitions. [2020-12-09 09:43:45,930 INFO L78 Accepts]: Start accepts. Automaton has 10755 states and 16004 transitions. Word has length 28 [2020-12-09 09:43:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:45,930 INFO L481 AbstractCegarLoop]: Abstraction has 10755 states and 16004 transitions. [2020-12-09 09:43:45,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10755 states and 16004 transitions. [2020-12-09 09:43:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-09 09:43:45,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:45,939 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:45,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 09:43:45,940 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:45,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:45,940 INFO L82 PathProgramCache]: Analyzing trace with hash -214452239, now seen corresponding path program 1 times [2020-12-09 09:43:45,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:45,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168880426] [2020-12-09 09:43:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:46,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168880426] [2020-12-09 09:43:46,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:46,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:46,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784762363] [2020-12-09 09:43:46,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:46,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:46,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:46,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:46,148 INFO L87 Difference]: Start difference. First operand 10755 states and 16004 transitions. Second operand 3 states. [2020-12-09 09:43:46,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:46,387 INFO L93 Difference]: Finished difference Result 10759 states and 16006 transitions. [2020-12-09 09:43:46,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:46,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-12-09 09:43:46,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:46,403 INFO L225 Difference]: With dead ends: 10759 [2020-12-09 09:43:46,403 INFO L226 Difference]: Without dead ends: 10753 [2020-12-09 09:43:46,406 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 09:43:46,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10753 states. [2020-12-09 09:43:46,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10753 to 10751. [2020-12-09 09:43:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10751 states. [2020-12-09 09:43:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10751 states to 10751 states and 15998 transitions. [2020-12-09 09:43:46,533 INFO L78 Accepts]: Start accepts. Automaton has 10751 states and 15998 transitions. Word has length 280 [2020-12-09 09:43:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:46,533 INFO L481 AbstractCegarLoop]: Abstraction has 10751 states and 15998 transitions. [2020-12-09 09:43:46,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 10751 states and 15998 transitions. [2020-12-09 09:43:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-09 09:43:46,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:46,537 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:46,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 09:43:46,537 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:46,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1952173582, now seen corresponding path program 1 times [2020-12-09 09:43:46,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:46,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440546301] [2020-12-09 09:43:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:46,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440546301] [2020-12-09 09:43:46,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:46,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:46,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987719787] [2020-12-09 09:43:46,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:46,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:46,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:46,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:46,765 INFO L87 Difference]: Start difference. First operand 10751 states and 15998 transitions. Second operand 3 states. [2020-12-09 09:43:47,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:47,271 INFO L93 Difference]: Finished difference Result 31100 states and 46295 transitions. [2020-12-09 09:43:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:47,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-12-09 09:43:47,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:47,298 INFO L225 Difference]: With dead ends: 31100 [2020-12-09 09:43:47,298 INFO L226 Difference]: Without dead ends: 20921 [2020-12-09 09:43:47,309 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 09:43:47,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20921 states. [2020-12-09 09:43:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20921 to 20857. [2020-12-09 09:43:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20857 states. [2020-12-09 09:43:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20857 states to 20857 states and 31054 transitions. [2020-12-09 09:43:47,527 INFO L78 Accepts]: Start accepts. Automaton has 20857 states and 31054 transitions. Word has length 281 [2020-12-09 09:43:47,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:47,527 INFO L481 AbstractCegarLoop]: Abstraction has 20857 states and 31054 transitions. [2020-12-09 09:43:47,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 20857 states and 31054 transitions. [2020-12-09 09:43:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-09 09:43:47,531 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:47,531 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:47,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 09:43:47,532 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:47,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1920998374, now seen corresponding path program 1 times [2020-12-09 09:43:47,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:47,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440869486] [2020-12-09 09:43:47,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:47,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440869486] [2020-12-09 09:43:47,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:47,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:47,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978807597] [2020-12-09 09:43:47,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:47,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:47,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:47,686 INFO L87 Difference]: Start difference. First operand 20857 states and 31054 transitions. Second operand 3 states. [2020-12-09 09:43:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:48,069 INFO L93 Difference]: Finished difference Result 41133 states and 61255 transitions. [2020-12-09 09:43:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:48,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-12-09 09:43:48,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:48,088 INFO L225 Difference]: With dead ends: 41133 [2020-12-09 09:43:48,088 INFO L226 Difference]: Without dead ends: 20848 [2020-12-09 09:43:48,099 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 09:43:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20848 states. [2020-12-09 09:43:48,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20848 to 20848. [2020-12-09 09:43:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20848 states. [2020-12-09 09:43:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20848 states to 20848 states and 31027 transitions. [2020-12-09 09:43:48,306 INFO L78 Accepts]: Start accepts. Automaton has 20848 states and 31027 transitions. Word has length 289 [2020-12-09 09:43:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:48,307 INFO L481 AbstractCegarLoop]: Abstraction has 20848 states and 31027 transitions. [2020-12-09 09:43:48,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 20848 states and 31027 transitions. [2020-12-09 09:43:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-12-09 09:43:48,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:48,311 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:48,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 09:43:48,311 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:48,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1742625296, now seen corresponding path program 1 times [2020-12-09 09:43:48,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:48,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24469250] [2020-12-09 09:43:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:48,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24469250] [2020-12-09 09:43:48,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:48,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:48,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5460962] [2020-12-09 09:43:48,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:48,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:48,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:48,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:48,428 INFO L87 Difference]: Start difference. First operand 20848 states and 31027 transitions. Second operand 3 states. [2020-12-09 09:43:48,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:48,697 INFO L93 Difference]: Finished difference Result 41150 states and 61243 transitions. [2020-12-09 09:43:48,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:48,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-12-09 09:43:48,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:48,717 INFO L225 Difference]: With dead ends: 41150 [2020-12-09 09:43:48,717 INFO L226 Difference]: Without dead ends: 20874 [2020-12-09 09:43:48,730 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 09:43:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20874 states. [2020-12-09 09:43:48,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20874 to 20872. [2020-12-09 09:43:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20872 states. [2020-12-09 09:43:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20872 states to 20872 states and 31051 transitions. [2020-12-09 09:43:49,004 INFO L78 Accepts]: Start accepts. Automaton has 20872 states and 31051 transitions. Word has length 299 [2020-12-09 09:43:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:49,005 INFO L481 AbstractCegarLoop]: Abstraction has 20872 states and 31051 transitions. [2020-12-09 09:43:49,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20872 states and 31051 transitions. [2020-12-09 09:43:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-12-09 09:43:49,009 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:49,009 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:49,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 09:43:49,009 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:49,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:49,010 INFO L82 PathProgramCache]: Analyzing trace with hash 995698508, now seen corresponding path program 1 times [2020-12-09 09:43:49,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:49,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947151072] [2020-12-09 09:43:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 09:43:49,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947151072] [2020-12-09 09:43:49,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:49,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:49,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271540809] [2020-12-09 09:43:49,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:43:49,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:49,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:43:49,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:43:49,728 INFO L87 Difference]: Start difference. First operand 20872 states and 31051 transitions. Second operand 4 states. [2020-12-09 09:43:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:50,342 INFO L93 Difference]: Finished difference Result 22587 states and 33585 transitions. [2020-12-09 09:43:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 09:43:50,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 299 [2020-12-09 09:43:50,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:50,363 INFO L225 Difference]: With dead ends: 22587 [2020-12-09 09:43:50,363 INFO L226 Difference]: Without dead ends: 22585 [2020-12-09 09:43:50,368 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 09:43:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22585 states. [2020-12-09 09:43:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22585 to 22571. [2020-12-09 09:43:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22571 states. [2020-12-09 09:43:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22571 states to 22571 states and 33570 transitions. [2020-12-09 09:43:50,576 INFO L78 Accepts]: Start accepts. Automaton has 22571 states and 33570 transitions. Word has length 299 [2020-12-09 09:43:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:50,576 INFO L481 AbstractCegarLoop]: Abstraction has 22571 states and 33570 transitions. [2020-12-09 09:43:50,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:43:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22571 states and 33570 transitions. [2020-12-09 09:43:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-12-09 09:43:50,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:50,579 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:50,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 09:43:50,579 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:50,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:50,580 INFO L82 PathProgramCache]: Analyzing trace with hash -423652659, now seen corresponding path program 1 times [2020-12-09 09:43:50,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:50,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210190747] [2020-12-09 09:43:50,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:43:50,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210190747] [2020-12-09 09:43:50,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:50,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:50,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713026795] [2020-12-09 09:43:50,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:50,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:50,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:50,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:50,712 INFO L87 Difference]: Start difference. First operand 22571 states and 33570 transitions. Second operand 3 states. [2020-12-09 09:43:50,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:50,971 INFO L93 Difference]: Finished difference Result 40607 states and 60416 transitions. [2020-12-09 09:43:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:50,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2020-12-09 09:43:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:50,992 INFO L225 Difference]: With dead ends: 40607 [2020-12-09 09:43:50,992 INFO L226 Difference]: Without dead ends: 20307 [2020-12-09 09:43:51,005 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 09:43:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20307 states. [2020-12-09 09:43:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20307 to 20305. [2020-12-09 09:43:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20305 states. [2020-12-09 09:43:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 30200 transitions. [2020-12-09 09:43:51,196 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 30200 transitions. Word has length 299 [2020-12-09 09:43:51,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:51,196 INFO L481 AbstractCegarLoop]: Abstraction has 20305 states and 30200 transitions. [2020-12-09 09:43:51,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 30200 transitions. [2020-12-09 09:43:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-09 09:43:51,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:51,198 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:51,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 09:43:51,199 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:51,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:51,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1485921260, now seen corresponding path program 1 times [2020-12-09 09:43:51,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:51,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031189411] [2020-12-09 09:43:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:43:51,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031189411] [2020-12-09 09:43:51,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:51,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:51,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347371342] [2020-12-09 09:43:51,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:51,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:51,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:51,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:51,420 INFO L87 Difference]: Start difference. First operand 20305 states and 30200 transitions. Second operand 3 states. [2020-12-09 09:43:51,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:51,858 INFO L93 Difference]: Finished difference Result 38417 states and 57118 transitions. [2020-12-09 09:43:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:51,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-12-09 09:43:51,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:51,879 INFO L225 Difference]: With dead ends: 38417 [2020-12-09 09:43:51,879 INFO L226 Difference]: Without dead ends: 20375 [2020-12-09 09:43:51,891 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 09:43:51,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20375 states. [2020-12-09 09:43:52,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20375 to 20309. [2020-12-09 09:43:52,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20309 states. [2020-12-09 09:43:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20309 states to 20309 states and 30184 transitions. [2020-12-09 09:43:52,099 INFO L78 Accepts]: Start accepts. Automaton has 20309 states and 30184 transitions. Word has length 301 [2020-12-09 09:43:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:52,099 INFO L481 AbstractCegarLoop]: Abstraction has 20309 states and 30184 transitions. [2020-12-09 09:43:52,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 20309 states and 30184 transitions. [2020-12-09 09:43:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-12-09 09:43:52,101 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:52,101 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:52,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 09:43:52,102 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:52,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:52,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1859969279, now seen corresponding path program 1 times [2020-12-09 09:43:52,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:52,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053571547] [2020-12-09 09:43:52,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:43:52,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053571547] [2020-12-09 09:43:52,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:52,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:52,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130945699] [2020-12-09 09:43:52,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:52,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:52,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:52,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:52,220 INFO L87 Difference]: Start difference. First operand 20309 states and 30184 transitions. Second operand 3 states. [2020-12-09 09:43:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:52,461 INFO L93 Difference]: Finished difference Result 38373 states and 57034 transitions. [2020-12-09 09:43:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:52,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-12-09 09:43:52,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:52,481 INFO L225 Difference]: With dead ends: 38373 [2020-12-09 09:43:52,481 INFO L226 Difference]: Without dead ends: 20339 [2020-12-09 09:43:52,493 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 09:43:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20339 states. [2020-12-09 09:43:52,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20339 to 20337. [2020-12-09 09:43:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20337 states. [2020-12-09 09:43:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20337 states to 20337 states and 30212 transitions. [2020-12-09 09:43:52,680 INFO L78 Accepts]: Start accepts. Automaton has 20337 states and 30212 transitions. Word has length 302 [2020-12-09 09:43:52,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:52,681 INFO L481 AbstractCegarLoop]: Abstraction has 20337 states and 30212 transitions. [2020-12-09 09:43:52,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 20337 states and 30212 transitions. [2020-12-09 09:43:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-12-09 09:43:52,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:52,684 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:52,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 09:43:52,684 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:52,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:52,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1559273919, now seen corresponding path program 1 times [2020-12-09 09:43:52,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:52,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293895457] [2020-12-09 09:43:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-09 09:43:52,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293895457] [2020-12-09 09:43:52,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:52,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:52,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955427501] [2020-12-09 09:43:52,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:52,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:52,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:52,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:52,804 INFO L87 Difference]: Start difference. First operand 20337 states and 30212 transitions. Second operand 3 states. [2020-12-09 09:43:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:53,041 INFO L93 Difference]: Finished difference Result 36701 states and 54537 transitions. [2020-12-09 09:43:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:53,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-12-09 09:43:53,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:53,059 INFO L225 Difference]: With dead ends: 36701 [2020-12-09 09:43:53,059 INFO L226 Difference]: Without dead ends: 18639 [2020-12-09 09:43:53,070 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 09:43:53,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18639 states. [2020-12-09 09:43:53,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18639 to 18637. [2020-12-09 09:43:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18637 states. [2020-12-09 09:43:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18637 states to 18637 states and 27687 transitions. [2020-12-09 09:43:53,254 INFO L78 Accepts]: Start accepts. Automaton has 18637 states and 27687 transitions. Word has length 316 [2020-12-09 09:43:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:53,255 INFO L481 AbstractCegarLoop]: Abstraction has 18637 states and 27687 transitions. [2020-12-09 09:43:53,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18637 states and 27687 transitions. [2020-12-09 09:43:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-09 09:43:53,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:53,258 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:53,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 09:43:53,258 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:53,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:53,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1763092431, now seen corresponding path program 1 times [2020-12-09 09:43:53,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:53,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501735851] [2020-12-09 09:43:53,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-09 09:43:53,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501735851] [2020-12-09 09:43:53,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:53,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:53,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572069242] [2020-12-09 09:43:53,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:53,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:53,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:53,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:53,382 INFO L87 Difference]: Start difference. First operand 18637 states and 27687 transitions. Second operand 3 states. [2020-12-09 09:43:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:53,664 INFO L93 Difference]: Finished difference Result 35057 states and 52088 transitions. [2020-12-09 09:43:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:53,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-12-09 09:43:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:53,679 INFO L225 Difference]: With dead ends: 35057 [2020-12-09 09:43:53,679 INFO L226 Difference]: Without dead ends: 18695 [2020-12-09 09:43:53,688 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 09:43:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18695 states. [2020-12-09 09:43:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18695 to 18693. [2020-12-09 09:43:53,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18693 states. [2020-12-09 09:43:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18693 states to 18693 states and 27747 transitions. [2020-12-09 09:43:53,860 INFO L78 Accepts]: Start accepts. Automaton has 18693 states and 27747 transitions. Word has length 318 [2020-12-09 09:43:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:53,861 INFO L481 AbstractCegarLoop]: Abstraction has 18693 states and 27747 transitions. [2020-12-09 09:43:53,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 18693 states and 27747 transitions. [2020-12-09 09:43:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-12-09 09:43:53,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:53,864 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:53,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 09:43:53,864 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:53,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1363027243, now seen corresponding path program 1 times [2020-12-09 09:43:53,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:53,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130538305] [2020-12-09 09:43:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-09 09:43:53,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130538305] [2020-12-09 09:43:53,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:53,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:53,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526170081] [2020-12-09 09:43:53,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:53,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:53,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:53,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:53,986 INFO L87 Difference]: Start difference. First operand 18693 states and 27747 transitions. Second operand 3 states. [2020-12-09 09:43:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:54,229 INFO L93 Difference]: Finished difference Result 35145 states and 52164 transitions. [2020-12-09 09:43:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:54,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2020-12-09 09:43:54,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:54,247 INFO L225 Difference]: With dead ends: 35145 [2020-12-09 09:43:54,247 INFO L226 Difference]: Without dead ends: 18727 [2020-12-09 09:43:54,258 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 09:43:54,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18727 states. [2020-12-09 09:43:54,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18727 to 18725. [2020-12-09 09:43:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18725 states. [2020-12-09 09:43:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18725 states to 18725 states and 27779 transitions. [2020-12-09 09:43:54,430 INFO L78 Accepts]: Start accepts. Automaton has 18725 states and 27779 transitions. Word has length 319 [2020-12-09 09:43:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:54,431 INFO L481 AbstractCegarLoop]: Abstraction has 18725 states and 27779 transitions. [2020-12-09 09:43:54,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 18725 states and 27779 transitions. [2020-12-09 09:43:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-12-09 09:43:54,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:54,434 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:54,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 09:43:54,434 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:54,434 INFO L82 PathProgramCache]: Analyzing trace with hash 56479789, now seen corresponding path program 1 times [2020-12-09 09:43:54,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:54,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108381918] [2020-12-09 09:43:54,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-09 09:43:54,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108381918] [2020-12-09 09:43:54,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:54,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:54,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765438746] [2020-12-09 09:43:54,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:54,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:54,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:54,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:54,561 INFO L87 Difference]: Start difference. First operand 18725 states and 27779 transitions. Second operand 3 states. [2020-12-09 09:43:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:54,809 INFO L93 Difference]: Finished difference Result 35213 states and 52236 transitions. [2020-12-09 09:43:54,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:54,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-12-09 09:43:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:54,827 INFO L225 Difference]: With dead ends: 35213 [2020-12-09 09:43:54,827 INFO L226 Difference]: Without dead ends: 18763 [2020-12-09 09:43:54,838 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 09:43:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18763 states. [2020-12-09 09:43:55,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18763 to 18761. [2020-12-09 09:43:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18761 states. [2020-12-09 09:43:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18761 states to 18761 states and 27815 transitions. [2020-12-09 09:43:55,025 INFO L78 Accepts]: Start accepts. Automaton has 18761 states and 27815 transitions. Word has length 336 [2020-12-09 09:43:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:55,025 INFO L481 AbstractCegarLoop]: Abstraction has 18761 states and 27815 transitions. [2020-12-09 09:43:55,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 18761 states and 27815 transitions. [2020-12-09 09:43:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2020-12-09 09:43:55,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:55,033 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:55,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 09:43:55,033 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:55,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:55,033 INFO L82 PathProgramCache]: Analyzing trace with hash 853259564, now seen corresponding path program 1 times [2020-12-09 09:43:55,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:55,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914870763] [2020-12-09 09:43:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:43:55,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914870763] [2020-12-09 09:43:55,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:55,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:43:55,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801408946] [2020-12-09 09:43:55,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:55,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:55,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:55,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:55,372 INFO L87 Difference]: Start difference. First operand 18761 states and 27815 transitions. Second operand 3 states. [2020-12-09 09:43:55,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:55,705 INFO L93 Difference]: Finished difference Result 20491 states and 30364 transitions. [2020-12-09 09:43:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:55,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 565 [2020-12-09 09:43:55,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:55,726 INFO L225 Difference]: With dead ends: 20491 [2020-12-09 09:43:55,726 INFO L226 Difference]: Without dead ends: 20481 [2020-12-09 09:43:55,730 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 09:43:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20481 states. [2020-12-09 09:43:55,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20481 to 20465. [2020-12-09 09:43:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20465 states. [2020-12-09 09:43:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20465 states to 20465 states and 30336 transitions. [2020-12-09 09:43:55,961 INFO L78 Accepts]: Start accepts. Automaton has 20465 states and 30336 transitions. Word has length 565 [2020-12-09 09:43:55,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:55,962 INFO L481 AbstractCegarLoop]: Abstraction has 20465 states and 30336 transitions. [2020-12-09 09:43:55,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 20465 states and 30336 transitions. [2020-12-09 09:43:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2020-12-09 09:43:55,968 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:55,968 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:55,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 09:43:55,968 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:55,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1688586960, now seen corresponding path program 1 times [2020-12-09 09:43:55,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:55,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591272004] [2020-12-09 09:43:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:43:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-09 09:43:56,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591272004] [2020-12-09 09:43:56,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:43:56,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:43:56,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503273334] [2020-12-09 09:43:56,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:43:56,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:43:56,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:43:56,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:43:56,386 INFO L87 Difference]: Start difference. First operand 20465 states and 30336 transitions. Second operand 3 states. [2020-12-09 09:43:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:43:56,915 INFO L93 Difference]: Finished difference Result 57981 states and 85954 transitions. [2020-12-09 09:43:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:43:56,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 571 [2020-12-09 09:43:56,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:43:56,955 INFO L225 Difference]: With dead ends: 57981 [2020-12-09 09:43:56,955 INFO L226 Difference]: Without dead ends: 39779 [2020-12-09 09:43:56,970 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 09:43:56,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39779 states. [2020-12-09 09:43:57,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39779 to 39535. [2020-12-09 09:43:57,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39535 states. [2020-12-09 09:43:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39535 states to 39535 states and 58713 transitions. [2020-12-09 09:43:57,349 INFO L78 Accepts]: Start accepts. Automaton has 39535 states and 58713 transitions. Word has length 571 [2020-12-09 09:43:57,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:43:57,349 INFO L481 AbstractCegarLoop]: Abstraction has 39535 states and 58713 transitions. [2020-12-09 09:43:57,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:43:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39535 states and 58713 transitions. [2020-12-09 09:43:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-12-09 09:43:57,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:43:57,358 INFO L422 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:57,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 09:43:57,358 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:43:57,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:43:57,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1260095072, now seen corresponding path program 1 times [2020-12-09 09:43:57,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:43:57,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15299759] [2020-12-09 09:43:57,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:43:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:43:57,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:43:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:43:57,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:43:57,881 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 09:43:57,882 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 09:43:57,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 09:43:58,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:43:58 BoogieIcfgContainer [2020-12-09 09:43:58,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:43:58,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:43:58,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:43:58,040 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:43:58,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:42" (3/4) ... [2020-12-09 09:43:58,042 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 09:43:58,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_559451ab-a8b7-4419-9c4c-c41199c59b07/bin/utaipan/witness.graphml [2020-12-09 09:43:58,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:43:58,202 INFO L168 Benchmark]: Toolchain (without parser) took 299639.85 ms. Allocated memory was 8.1 GB in the beginning and 13.5 GB in the end (delta: 5.3 GB). Free memory was 6.9 GB in the beginning and 2.9 GB in the end (delta: 4.0 GB). Peak memory consumption was 9.3 GB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,202 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory was 78.1 MB in the beginning and 78.1 MB in the end (delta: 72.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:43:58,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221773.78 ms. Allocated memory is still 8.1 GB. Free memory was 6.9 GB in the beginning and 1.5 GB in the end (delta: 5.4 GB). Peak memory consumption was 9.1 GB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 20073.36 ms. Allocated memory was 8.1 GB in the beginning and 11.8 GB in the end (delta: 3.6 GB). Free memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,203 INFO L168 Benchmark]: Boogie Preprocessor took 20268.72 ms. Allocated memory was 11.8 GB in the beginning and 13.5 GB in the end (delta: 1.7 GB). Free memory was 3.4 GB in the beginning and 2.5 GB in the end (delta: 929.0 MB). Peak memory consumption was 2.9 GB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,203 INFO L168 Benchmark]: RCFGBuilder took 21399.66 ms. Allocated memory is still 13.5 GB. Free memory was 2.5 GB in the beginning and 3.1 GB in the end (delta: -564.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,203 INFO L168 Benchmark]: TraceAbstraction took 15958.14 ms. Allocated memory is still 13.5 GB. Free memory was 3.1 GB in the beginning and 2.9 GB in the end (delta: 142.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,204 INFO L168 Benchmark]: Witness Printer took 161.26 ms. Allocated memory is still 13.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:43:58,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory was 78.1 MB in the beginning and 78.1 MB in the end (delta: 72.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 221773.78 ms. Allocated memory is still 8.1 GB. Free memory was 6.9 GB in the beginning and 1.5 GB in the end (delta: 5.4 GB). Peak memory consumption was 9.1 GB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 20073.36 ms. Allocated memory was 8.1 GB in the beginning and 11.8 GB in the end (delta: 3.6 GB). Free memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20268.72 ms. Allocated memory was 11.8 GB in the beginning and 13.5 GB in the end (delta: 1.7 GB). Free memory was 3.4 GB in the beginning and 2.5 GB in the end (delta: 929.0 MB). Peak memory consumption was 2.9 GB. Max. memory is 16.1 GB. * RCFGBuilder took 21399.66 ms. Allocated memory is still 13.5 GB. Free memory was 2.5 GB in the beginning and 3.1 GB in the end (delta: -564.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * TraceAbstraction took 15958.14 ms. Allocated memory is still 13.5 GB. Free memory was 3.1 GB in the beginning and 2.9 GB in the end (delta: 142.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 16.1 GB. * Witness Printer took 161.26 ms. Allocated memory is still 13.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44382]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_stage2Separation = 1; [L8] int m_completion = 2; [L9] int m_tliBurn = 3; [L10] int m_loiBurn = 4; [L11] int m_stage1Separation = 5; [L12] int m_edsSeparation = 6; [L13] int m_lsamAscentRendezvous = 7; [L14] int m_smSeparation = 8; [L15] int m_eiBurn = 9; [L16] int m_lsamRendezvous = 10; [L17] int m_teiBurn = 11; [L18] int m_CEV = 12; [L19] int m_abort = 13; [L20] int m_enterOrbitOps = 14; [L21] int m_failure = 15; [L22] int m_lsamSeparation = 16; [L23] int m_abortPassiveLAScompletion = 17; [L24] int m_lasJettison = 18; [L25] int m_lsamAscentBurn = 19; [L26] int m_srbIgnition = 20; [L27] int m_deOrbit = 21; [L32] int q = 0; [L33] int method_id; [L36] int this_spacecraft_cLSAM_ASCENT = 0; [L37] int this_spacecraft_cEDS = 0; [L38] int this_spacecraft_cLSAM_DESCENT = 0; [L39] int this_spacecraft_cLAS = 1; [L40] int this_spacecraft_cStage1 = 1; [L41] int this_spacecraft_cStage2 = 1; [L42] int this_spacecraft_cCM = 1; [L43] int this_spacecraft_cSM = 1; VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND TRUE q == 0 [L58] COND TRUE __VERIFIER_nondet_int() [L62] method_id = 12 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L64] COND FALSE !(0) [L68] q = 2 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND TRUE __VERIFIER_nondet_int() [L293] method_id = 8 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L295] COND FALSE !(0) [L299] q = 2 [L301] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L301] this_spacecraft_cCM=this_spacecraft_cCM [L301] this_spacecraft_cSM=0 [L301] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L301] this_spacecraft_cEDS=this_spacecraft_cEDS [L301] this_spacecraft_cLAS=this_spacecraft_cLAS [L301] this_spacecraft_cStage2=this_spacecraft_cStage2 [L301] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L176] COND TRUE q == 2 [L177] COND FALSE !(__VERIFIER_nondet_int()) [L193] COND FALSE !(__VERIFIER_nondet_int()) [L209] COND FALSE !(__VERIFIER_nondet_int()) [L225] COND FALSE !(__VERIFIER_nondet_int()) [L241] COND FALSE !(__VERIFIER_nondet_int()) [L257] COND FALSE !(__VERIFIER_nondet_int()) [L273] COND FALSE !(__VERIFIER_nondet_int()) [L289] COND FALSE !(__VERIFIER_nondet_int()) [L305] COND FALSE !(__VERIFIER_nondet_int()) [L321] COND FALSE !(__VERIFIER_nondet_int()) [L337] COND FALSE !(__VERIFIER_nondet_int()) [L353] COND FALSE !(__VERIFIER_nondet_int()) [L369] COND FALSE !(__VERIFIER_nondet_int()) [L385] COND FALSE !(__VERIFIER_nondet_int()) [L401] COND FALSE !(__VERIFIER_nondet_int()) [L417] COND FALSE !(__VERIFIER_nondet_int()) [L433] COND FALSE !(__VERIFIER_nondet_int()) [L449] COND FALSE !(__VERIFIER_nondet_int()) [L465] COND FALSE !(__VERIFIER_nondet_int()) [L481] COND FALSE !(__VERIFIER_nondet_int()) [L497] COND FALSE !(__VERIFIER_nondet_int()) [L513] COND FALSE !(__VERIFIER_nondet_int()) [L529] COND FALSE !(__VERIFIER_nondet_int()) [L545] COND FALSE !(__VERIFIER_nondet_int()) [L561] COND FALSE !(__VERIFIER_nondet_int()) [L577] COND FALSE !(__VERIFIER_nondet_int()) [L593] COND FALSE !(__VERIFIER_nondet_int()) [L609] COND FALSE !(__VERIFIER_nondet_int()) [L625] COND FALSE !(__VERIFIER_nondet_int()) [L641] COND FALSE !(__VERIFIER_nondet_int()) [L657] COND FALSE !(__VERIFIER_nondet_int()) [L673] COND FALSE !(__VERIFIER_nondet_int()) [L689] COND FALSE !(__VERIFIER_nondet_int()) [L705] COND FALSE !(__VERIFIER_nondet_int()) [L721] COND FALSE !(__VERIFIER_nondet_int()) [L737] COND FALSE !(__VERIFIER_nondet_int()) [L753] COND FALSE !(__VERIFIER_nondet_int()) [L769] COND FALSE !(__VERIFIER_nondet_int()) [L785] COND FALSE !(__VERIFIER_nondet_int()) [L801] COND FALSE !(__VERIFIER_nondet_int()) [L817] COND FALSE !(__VERIFIER_nondet_int()) [L833] COND FALSE !(__VERIFIER_nondet_int()) [L849] COND FALSE !(__VERIFIER_nondet_int()) [L865] COND FALSE !(__VERIFIER_nondet_int()) [L881] COND FALSE !(__VERIFIER_nondet_int()) [L897] COND FALSE !(__VERIFIER_nondet_int()) [L913] COND FALSE !(__VERIFIER_nondet_int()) [L929] COND FALSE !(__VERIFIER_nondet_int()) [L945] COND FALSE !(__VERIFIER_nondet_int()) [L961] COND FALSE !(__VERIFIER_nondet_int()) [L977] COND FALSE !(__VERIFIER_nondet_int()) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L1009] COND FALSE !(__VERIFIER_nondet_int()) [L1025] COND FALSE !(__VERIFIER_nondet_int()) [L1041] COND FALSE !(__VERIFIER_nondet_int()) [L1057] COND FALSE !(__VERIFIER_nondet_int()) [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1089] COND FALSE !(__VERIFIER_nondet_int()) [L1105] COND FALSE !(__VERIFIER_nondet_int()) [L1121] COND FALSE !(__VERIFIER_nondet_int()) [L1137] COND FALSE !(__VERIFIER_nondet_int()) [L1153] COND FALSE !(__VERIFIER_nondet_int()) [L1169] COND FALSE !(__VERIFIER_nondet_int()) [L1185] COND FALSE !(__VERIFIER_nondet_int()) [L1201] COND FALSE !(__VERIFIER_nondet_int()) [L1217] COND FALSE !(__VERIFIER_nondet_int()) [L1233] COND FALSE !(__VERIFIER_nondet_int()) [L1249] COND FALSE !(__VERIFIER_nondet_int()) [L1265] COND FALSE !(__VERIFIER_nondet_int()) [L1281] COND FALSE !(__VERIFIER_nondet_int()) [L1297] COND FALSE !(__VERIFIER_nondet_int()) [L1313] COND FALSE !(__VERIFIER_nondet_int()) [L1329] COND FALSE !(__VERIFIER_nondet_int()) [L1345] COND FALSE !(__VERIFIER_nondet_int()) [L1361] COND FALSE !(__VERIFIER_nondet_int()) [L1377] COND FALSE !(__VERIFIER_nondet_int()) [L1393] COND FALSE !(__VERIFIER_nondet_int()) [L1409] COND FALSE !(__VERIFIER_nondet_int()) [L1425] COND FALSE !(__VERIFIER_nondet_int()) [L1441] COND FALSE !(__VERIFIER_nondet_int()) [L1457] COND FALSE !(__VERIFIER_nondet_int()) [L1473] COND FALSE !(__VERIFIER_nondet_int()) [L1489] COND FALSE !(__VERIFIER_nondet_int()) [L1505] COND FALSE !(__VERIFIER_nondet_int()) [L1521] COND FALSE !(__VERIFIER_nondet_int()) [L1537] COND FALSE !(__VERIFIER_nondet_int()) [L1553] COND FALSE !(__VERIFIER_nondet_int()) [L1569] COND FALSE !(__VERIFIER_nondet_int()) [L1585] COND FALSE !(__VERIFIER_nondet_int()) [L1601] COND FALSE !(__VERIFIER_nondet_int()) [L1617] COND FALSE !(__VERIFIER_nondet_int()) [L1633] COND FALSE !(__VERIFIER_nondet_int()) [L1649] COND FALSE !(__VERIFIER_nondet_int()) [L1665] COND FALSE !(__VERIFIER_nondet_int()) [L1681] COND FALSE !(__VERIFIER_nondet_int()) [L1697] COND FALSE !(__VERIFIER_nondet_int()) [L1713] COND FALSE !(__VERIFIER_nondet_int()) [L1729] COND FALSE !(__VERIFIER_nondet_int()) [L1745] COND FALSE !(__VERIFIER_nondet_int()) [L1761] COND FALSE !(__VERIFIER_nondet_int()) [L1777] COND FALSE !(__VERIFIER_nondet_int()) [L1793] COND FALSE !(__VERIFIER_nondet_int()) [L1809] COND FALSE !(__VERIFIER_nondet_int()) [L1825] COND FALSE !(__VERIFIER_nondet_int()) [L1841] COND FALSE !(__VERIFIER_nondet_int()) [L1857] COND FALSE !(__VERIFIER_nondet_int()) [L1873] COND FALSE !(__VERIFIER_nondet_int()) [L1889] COND FALSE !(__VERIFIER_nondet_int()) [L1905] COND FALSE !(__VERIFIER_nondet_int()) [L1921] COND FALSE !(__VERIFIER_nondet_int()) [L1937] COND FALSE !(__VERIFIER_nondet_int()) [L1953] COND FALSE !(__VERIFIER_nondet_int()) [L1969] COND FALSE !(__VERIFIER_nondet_int()) [L1985] COND FALSE !(__VERIFIER_nondet_int()) [L2001] COND FALSE !(__VERIFIER_nondet_int()) [L2017] COND FALSE !(__VERIFIER_nondet_int()) [L2033] COND FALSE !(__VERIFIER_nondet_int()) [L2049] COND FALSE !(__VERIFIER_nondet_int()) [L2065] COND FALSE !(__VERIFIER_nondet_int()) [L2081] COND FALSE !(__VERIFIER_nondet_int()) [L2097] COND FALSE !(__VERIFIER_nondet_int()) [L2113] COND FALSE !(__VERIFIER_nondet_int()) [L2129] COND FALSE !(__VERIFIER_nondet_int()) [L2145] COND FALSE !(__VERIFIER_nondet_int()) [L2161] COND FALSE !(__VERIFIER_nondet_int()) [L2177] COND FALSE !(__VERIFIER_nondet_int()) [L2193] COND FALSE !(__VERIFIER_nondet_int()) [L2209] COND FALSE !(__VERIFIER_nondet_int()) [L2225] COND FALSE !(__VERIFIER_nondet_int()) [L2241] COND FALSE !(__VERIFIER_nondet_int()) [L2257] COND FALSE !(__VERIFIER_nondet_int()) [L2273] COND FALSE !(__VERIFIER_nondet_int()) [L2289] COND FALSE !(__VERIFIER_nondet_int()) [L2305] COND FALSE !(__VERIFIER_nondet_int()) [L2321] COND FALSE !(__VERIFIER_nondet_int()) [L2337] COND FALSE !(__VERIFIER_nondet_int()) [L2353] COND FALSE !(__VERIFIER_nondet_int()) [L2369] COND FALSE !(__VERIFIER_nondet_int()) [L2385] COND FALSE !(__VERIFIER_nondet_int()) [L2401] COND FALSE !(__VERIFIER_nondet_int()) [L2417] COND FALSE !(__VERIFIER_nondet_int()) [L2433] COND FALSE !(__VERIFIER_nondet_int()) [L2449] COND FALSE !(__VERIFIER_nondet_int()) [L2465] COND FALSE !(__VERIFIER_nondet_int()) [L2481] COND FALSE !(__VERIFIER_nondet_int()) [L2497] COND FALSE !(__VERIFIER_nondet_int()) [L2513] COND FALSE !(__VERIFIER_nondet_int()) [L2529] COND FALSE !(__VERIFIER_nondet_int()) [L2545] COND FALSE !(__VERIFIER_nondet_int()) [L2561] COND FALSE !(__VERIFIER_nondet_int()) [L2577] COND FALSE !(__VERIFIER_nondet_int()) [L2593] COND FALSE !(__VERIFIER_nondet_int()) [L2609] COND FALSE !(__VERIFIER_nondet_int()) [L2625] COND FALSE !(__VERIFIER_nondet_int()) [L2641] COND FALSE !(__VERIFIER_nondet_int()) [L2657] COND FALSE !(__VERIFIER_nondet_int()) [L2673] COND FALSE !(__VERIFIER_nondet_int()) [L2689] COND FALSE !(__VERIFIER_nondet_int()) [L2705] COND FALSE !(__VERIFIER_nondet_int()) [L2721] COND FALSE !(__VERIFIER_nondet_int()) [L2737] COND FALSE !(__VERIFIER_nondet_int()) [L2753] COND FALSE !(__VERIFIER_nondet_int()) [L2769] COND FALSE !(__VERIFIER_nondet_int()) [L2785] COND FALSE !(__VERIFIER_nondet_int()) [L2801] COND FALSE !(__VERIFIER_nondet_int()) [L2817] COND FALSE !(__VERIFIER_nondet_int()) [L2833] COND FALSE !(__VERIFIER_nondet_int()) [L2849] COND FALSE !(__VERIFIER_nondet_int()) [L2865] COND FALSE !(__VERIFIER_nondet_int()) [L2881] COND FALSE !(__VERIFIER_nondet_int()) [L2897] COND FALSE !(__VERIFIER_nondet_int()) [L2913] COND FALSE !(__VERIFIER_nondet_int()) [L2929] COND FALSE !(__VERIFIER_nondet_int()) [L2945] COND FALSE !(__VERIFIER_nondet_int()) [L2961] COND FALSE !(__VERIFIER_nondet_int()) [L2977] COND FALSE !(__VERIFIER_nondet_int()) [L2993] COND FALSE !(__VERIFIER_nondet_int()) [L3009] COND FALSE !(__VERIFIER_nondet_int()) [L3025] COND FALSE !(__VERIFIER_nondet_int()) [L3041] COND FALSE !(__VERIFIER_nondet_int()) [L3057] COND FALSE !(__VERIFIER_nondet_int()) [L3073] COND FALSE !(__VERIFIER_nondet_int()) [L3089] COND FALSE !(__VERIFIER_nondet_int()) [L3105] COND FALSE !(__VERIFIER_nondet_int()) [L3121] COND FALSE !(__VERIFIER_nondet_int()) [L3137] COND FALSE !(__VERIFIER_nondet_int()) [L3153] COND FALSE !(__VERIFIER_nondet_int()) [L3169] COND FALSE !(__VERIFIER_nondet_int()) [L3185] COND FALSE !(__VERIFIER_nondet_int()) [L3201] COND FALSE !(__VERIFIER_nondet_int()) [L3217] COND FALSE !(__VERIFIER_nondet_int()) [L3233] COND FALSE !(__VERIFIER_nondet_int()) [L3249] COND FALSE !(__VERIFIER_nondet_int()) [L3265] COND FALSE !(__VERIFIER_nondet_int()) [L3281] COND FALSE !(__VERIFIER_nondet_int()) [L3297] COND FALSE !(__VERIFIER_nondet_int()) [L3313] COND FALSE !(__VERIFIER_nondet_int()) [L3329] COND FALSE !(__VERIFIER_nondet_int()) [L3345] COND FALSE !(__VERIFIER_nondet_int()) [L3361] COND FALSE !(__VERIFIER_nondet_int()) [L3377] COND FALSE !(__VERIFIER_nondet_int()) [L3393] COND FALSE !(__VERIFIER_nondet_int()) [L3409] COND FALSE !(__VERIFIER_nondet_int()) [L3425] COND FALSE !(__VERIFIER_nondet_int()) [L3441] COND FALSE !(__VERIFIER_nondet_int()) [L3457] COND FALSE !(__VERIFIER_nondet_int()) [L3473] COND FALSE !(__VERIFIER_nondet_int()) [L3489] COND FALSE !(__VERIFIER_nondet_int()) [L3505] COND FALSE !(__VERIFIER_nondet_int()) [L3521] COND FALSE !(__VERIFIER_nondet_int()) [L3537] COND FALSE !(__VERIFIER_nondet_int()) [L3553] COND FALSE !(__VERIFIER_nondet_int()) [L3569] COND FALSE !(__VERIFIER_nondet_int()) [L3585] COND FALSE !(__VERIFIER_nondet_int()) [L3601] COND FALSE !(__VERIFIER_nondet_int()) [L3617] COND FALSE !(__VERIFIER_nondet_int()) [L3633] COND FALSE !(__VERIFIER_nondet_int()) [L3649] COND FALSE !(__VERIFIER_nondet_int()) [L3665] COND FALSE !(__VERIFIER_nondet_int()) [L3681] COND FALSE !(__VERIFIER_nondet_int()) [L3697] COND FALSE !(__VERIFIER_nondet_int()) [L3713] COND FALSE !(__VERIFIER_nondet_int()) [L3729] COND FALSE !(__VERIFIER_nondet_int()) [L3745] COND FALSE !(__VERIFIER_nondet_int()) [L3761] COND FALSE !(__VERIFIER_nondet_int()) [L3777] COND FALSE !(__VERIFIER_nondet_int()) [L3793] COND FALSE !(__VERIFIER_nondet_int()) [L3809] COND FALSE !(__VERIFIER_nondet_int()) [L3825] COND FALSE !(__VERIFIER_nondet_int()) [L3841] COND FALSE !(__VERIFIER_nondet_int()) [L3857] COND FALSE !(__VERIFIER_nondet_int()) [L3873] COND FALSE !(__VERIFIER_nondet_int()) [L3889] COND FALSE !(__VERIFIER_nondet_int()) [L3905] COND FALSE !(__VERIFIER_nondet_int()) [L3921] COND FALSE !(__VERIFIER_nondet_int()) [L3937] COND FALSE !(__VERIFIER_nondet_int()) [L3953] COND FALSE !(__VERIFIER_nondet_int()) [L3969] COND FALSE !(__VERIFIER_nondet_int()) [L3985] COND FALSE !(__VERIFIER_nondet_int()) [L4001] COND FALSE !(__VERIFIER_nondet_int()) [L4017] COND FALSE !(__VERIFIER_nondet_int()) [L4033] COND FALSE !(__VERIFIER_nondet_int()) [L4049] COND FALSE !(__VERIFIER_nondet_int()) [L4065] COND FALSE !(__VERIFIER_nondet_int()) [L4081] COND FALSE !(__VERIFIER_nondet_int()) [L4097] COND FALSE !(__VERIFIER_nondet_int()) [L4113] COND FALSE !(__VERIFIER_nondet_int()) [L4129] COND FALSE !(__VERIFIER_nondet_int()) [L4145] COND FALSE !(__VERIFIER_nondet_int()) [L4161] COND FALSE !(__VERIFIER_nondet_int()) [L4177] COND FALSE !(__VERIFIER_nondet_int()) [L4193] COND FALSE !(__VERIFIER_nondet_int()) [L4209] COND FALSE !(__VERIFIER_nondet_int()) [L4225] COND FALSE !(__VERIFIER_nondet_int()) [L4241] COND FALSE !(__VERIFIER_nondet_int()) [L4257] COND FALSE !(__VERIFIER_nondet_int()) [L4273] COND FALSE !(__VERIFIER_nondet_int()) [L4289] COND FALSE !(__VERIFIER_nondet_int()) [L4305] COND FALSE !(__VERIFIER_nondet_int()) [L4321] COND FALSE !(__VERIFIER_nondet_int()) [L4337] COND FALSE !(__VERIFIER_nondet_int()) [L4353] COND FALSE !(__VERIFIER_nondet_int()) [L4369] COND FALSE !(__VERIFIER_nondet_int()) [L4385] COND FALSE !(__VERIFIER_nondet_int()) [L4401] COND FALSE !(__VERIFIER_nondet_int()) [L4417] COND FALSE !(__VERIFIER_nondet_int()) [L4433] COND FALSE !(__VERIFIER_nondet_int()) [L4449] COND FALSE !(__VERIFIER_nondet_int()) [L4465] COND FALSE !(__VERIFIER_nondet_int()) [L4481] COND FALSE !(__VERIFIER_nondet_int()) [L4497] COND FALSE !(__VERIFIER_nondet_int()) [L4513] COND FALSE !(__VERIFIER_nondet_int()) [L4529] COND TRUE __VERIFIER_nondet_int() [L4533] method_id = 18 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L4535] COND FALSE !(0) [L4539] q = 4 [L4541] this_spacecraft_cLSAM_ASCENT=this_spacecraft_cLSAM_ASCENT [L4541] this_spacecraft_cCM=this_spacecraft_cCM [L4541] this_spacecraft_cSM=this_spacecraft_cSM [L4541] this_spacecraft_cLSAM_DESCENT=this_spacecraft_cLSAM_DESCENT [L4541] this_spacecraft_cEDS=this_spacecraft_cEDS [L4541] this_spacecraft_cLAS=0 [L4541] this_spacecraft_cStage2=this_spacecraft_cStage2 [L4541] this_spacecraft_cStage1=this_spacecraft_cStage1 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L46] COND TRUE 1 [L49] _Bool P1=__VERIFIER_nondet_int(); [L50] _Bool P2=__VERIFIER_nondet_int(); [L51] int P3=__VERIFIER_nondet_int(); [L52] _Bool P4=__VERIFIER_nondet_int(); [L53] int P5=__VERIFIER_nondet_int(); [L57] COND FALSE !(q == 0) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L76] COND FALSE !(q == 1) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L176] COND FALSE !(q == 2) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L4596] COND FALSE !(q == 3) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L9016] COND TRUE q == 4 [L9017] COND FALSE !(__VERIFIER_nondet_int()) [L9033] COND FALSE !(__VERIFIER_nondet_int()) [L9049] COND FALSE !(__VERIFIER_nondet_int()) [L9065] COND FALSE !(__VERIFIER_nondet_int()) [L9081] COND FALSE !(__VERIFIER_nondet_int()) [L9097] COND FALSE !(__VERIFIER_nondet_int()) [L9113] COND FALSE !(__VERIFIER_nondet_int()) [L9129] COND FALSE !(__VERIFIER_nondet_int()) [L9145] COND FALSE !(__VERIFIER_nondet_int()) [L9161] COND FALSE !(__VERIFIER_nondet_int()) [L9177] COND FALSE !(__VERIFIER_nondet_int()) [L9193] COND FALSE !(__VERIFIER_nondet_int()) [L9209] COND FALSE !(__VERIFIER_nondet_int()) [L9225] COND FALSE !(__VERIFIER_nondet_int()) [L9241] COND FALSE !(__VERIFIER_nondet_int()) [L9257] COND FALSE !(__VERIFIER_nondet_int()) [L9273] COND FALSE !(__VERIFIER_nondet_int()) [L9289] COND FALSE !(__VERIFIER_nondet_int()) [L9305] COND FALSE !(__VERIFIER_nondet_int()) [L9321] COND FALSE !(__VERIFIER_nondet_int()) [L9337] COND FALSE !(__VERIFIER_nondet_int()) [L9353] COND FALSE !(__VERIFIER_nondet_int()) [L9369] COND FALSE !(__VERIFIER_nondet_int()) [L9385] COND FALSE !(__VERIFIER_nondet_int()) [L9401] COND FALSE !(__VERIFIER_nondet_int()) [L9417] COND FALSE !(__VERIFIER_nondet_int()) [L9433] COND FALSE !(__VERIFIER_nondet_int()) [L9449] COND FALSE !(__VERIFIER_nondet_int()) [L9465] COND FALSE !(__VERIFIER_nondet_int()) [L9481] COND FALSE !(__VERIFIER_nondet_int()) [L9497] COND FALSE !(__VERIFIER_nondet_int()) [L9513] COND FALSE !(__VERIFIER_nondet_int()) [L9529] COND FALSE !(__VERIFIER_nondet_int()) [L9545] COND FALSE !(__VERIFIER_nondet_int()) [L9561] COND FALSE !(__VERIFIER_nondet_int()) [L9577] COND FALSE !(__VERIFIER_nondet_int()) [L9593] COND FALSE !(__VERIFIER_nondet_int()) [L9609] COND FALSE !(__VERIFIER_nondet_int()) [L9625] COND FALSE !(__VERIFIER_nondet_int()) [L9641] COND FALSE !(__VERIFIER_nondet_int()) [L9657] COND FALSE !(__VERIFIER_nondet_int()) [L9673] COND FALSE !(__VERIFIER_nondet_int()) [L9689] COND FALSE !(__VERIFIER_nondet_int()) [L9705] COND FALSE !(__VERIFIER_nondet_int()) [L9721] COND FALSE !(__VERIFIER_nondet_int()) [L9737] COND FALSE !(__VERIFIER_nondet_int()) [L9753] COND FALSE !(__VERIFIER_nondet_int()) [L9769] COND FALSE !(__VERIFIER_nondet_int()) [L9785] COND FALSE !(__VERIFIER_nondet_int()) [L9801] COND FALSE !(__VERIFIER_nondet_int()) [L9817] COND FALSE !(__VERIFIER_nondet_int()) [L9833] COND FALSE !(__VERIFIER_nondet_int()) [L9849] COND FALSE !(__VERIFIER_nondet_int()) [L9865] COND FALSE !(__VERIFIER_nondet_int()) [L9881] COND FALSE !(__VERIFIER_nondet_int()) [L9897] COND FALSE !(__VERIFIER_nondet_int()) [L9913] COND FALSE !(__VERIFIER_nondet_int()) [L9929] COND FALSE !(__VERIFIER_nondet_int()) [L9945] COND FALSE !(__VERIFIER_nondet_int()) [L9961] COND FALSE !(__VERIFIER_nondet_int()) [L9977] COND FALSE !(__VERIFIER_nondet_int()) [L9993] COND FALSE !(__VERIFIER_nondet_int()) [L10009] COND FALSE !(__VERIFIER_nondet_int()) [L10025] COND FALSE !(__VERIFIER_nondet_int()) [L10041] COND FALSE !(__VERIFIER_nondet_int()) [L10057] COND FALSE !(__VERIFIER_nondet_int()) [L10073] COND FALSE !(__VERIFIER_nondet_int()) [L10089] COND FALSE !(__VERIFIER_nondet_int()) [L10105] COND FALSE !(__VERIFIER_nondet_int()) [L10121] COND FALSE !(__VERIFIER_nondet_int()) [L10137] COND FALSE !(__VERIFIER_nondet_int()) [L10153] COND FALSE !(__VERIFIER_nondet_int()) [L10169] COND FALSE !(__VERIFIER_nondet_int()) [L10185] COND FALSE !(__VERIFIER_nondet_int()) [L10201] COND FALSE !(__VERIFIER_nondet_int()) [L10217] COND FALSE !(__VERIFIER_nondet_int()) [L10233] COND FALSE !(__VERIFIER_nondet_int()) [L10249] COND FALSE !(__VERIFIER_nondet_int()) [L10265] COND FALSE !(__VERIFIER_nondet_int()) [L10281] COND FALSE !(__VERIFIER_nondet_int()) [L10297] COND FALSE !(__VERIFIER_nondet_int()) [L10313] COND FALSE !(__VERIFIER_nondet_int()) [L10329] COND FALSE !(__VERIFIER_nondet_int()) [L10345] COND FALSE !(__VERIFIER_nondet_int()) [L10361] COND FALSE !(__VERIFIER_nondet_int()) [L10377] COND FALSE !(__VERIFIER_nondet_int()) [L10393] COND FALSE !(__VERIFIER_nondet_int()) [L10409] COND FALSE !(__VERIFIER_nondet_int()) [L10425] COND FALSE !(__VERIFIER_nondet_int()) [L10441] COND FALSE !(__VERIFIER_nondet_int()) [L10457] COND FALSE !(__VERIFIER_nondet_int()) [L10473] COND FALSE !(__VERIFIER_nondet_int()) [L10489] COND FALSE !(__VERIFIER_nondet_int()) [L10505] COND FALSE !(__VERIFIER_nondet_int()) [L10521] COND FALSE !(__VERIFIER_nondet_int()) [L10537] COND FALSE !(__VERIFIER_nondet_int()) [L10553] COND FALSE !(__VERIFIER_nondet_int()) [L10569] COND FALSE !(__VERIFIER_nondet_int()) [L10585] COND FALSE !(__VERIFIER_nondet_int()) [L10601] COND FALSE !(__VERIFIER_nondet_int()) [L10617] COND FALSE !(__VERIFIER_nondet_int()) [L10633] COND FALSE !(__VERIFIER_nondet_int()) [L10649] COND FALSE !(__VERIFIER_nondet_int()) [L10665] COND FALSE !(__VERIFIER_nondet_int()) [L10681] COND FALSE !(__VERIFIER_nondet_int()) [L10697] COND FALSE !(__VERIFIER_nondet_int()) [L10713] COND FALSE !(__VERIFIER_nondet_int()) [L10729] COND FALSE !(__VERIFIER_nondet_int()) [L10745] COND FALSE !(__VERIFIER_nondet_int()) [L10761] COND FALSE !(__VERIFIER_nondet_int()) [L10777] COND FALSE !(__VERIFIER_nondet_int()) [L10793] COND FALSE !(__VERIFIER_nondet_int()) [L10809] COND FALSE !(__VERIFIER_nondet_int()) [L10825] COND FALSE !(__VERIFIER_nondet_int()) [L10841] COND FALSE !(__VERIFIER_nondet_int()) [L10857] COND FALSE !(__VERIFIER_nondet_int()) [L10873] COND FALSE !(__VERIFIER_nondet_int()) [L10889] COND FALSE !(__VERIFIER_nondet_int()) [L10905] COND FALSE !(__VERIFIER_nondet_int()) [L10921] COND FALSE !(__VERIFIER_nondet_int()) [L10937] COND FALSE !(__VERIFIER_nondet_int()) [L10953] COND FALSE !(__VERIFIER_nondet_int()) [L10969] COND FALSE !(__VERIFIER_nondet_int()) [L10985] COND FALSE !(__VERIFIER_nondet_int()) [L11001] COND FALSE !(__VERIFIER_nondet_int()) [L11017] COND FALSE !(__VERIFIER_nondet_int()) [L11033] COND FALSE !(__VERIFIER_nondet_int()) [L11049] COND FALSE !(__VERIFIER_nondet_int()) [L11065] COND FALSE !(__VERIFIER_nondet_int()) [L11081] COND FALSE !(__VERIFIER_nondet_int()) [L11097] COND FALSE !(__VERIFIER_nondet_int()) [L11113] COND FALSE !(__VERIFIER_nondet_int()) [L11129] COND FALSE !(__VERIFIER_nondet_int()) [L11145] COND FALSE !(__VERIFIER_nondet_int()) [L11161] COND FALSE !(__VERIFIER_nondet_int()) [L11177] COND FALSE !(__VERIFIER_nondet_int()) [L11193] COND FALSE !(__VERIFIER_nondet_int()) [L11209] COND FALSE !(__VERIFIER_nondet_int()) [L11225] COND FALSE !(__VERIFIER_nondet_int()) [L11241] COND FALSE !(__VERIFIER_nondet_int()) [L11257] COND FALSE !(__VERIFIER_nondet_int()) [L11273] COND FALSE !(__VERIFIER_nondet_int()) [L11289] COND FALSE !(__VERIFIER_nondet_int()) [L11305] COND FALSE !(__VERIFIER_nondet_int()) [L11321] COND FALSE !(__VERIFIER_nondet_int()) [L11337] COND FALSE !(__VERIFIER_nondet_int()) [L11353] COND FALSE !(__VERIFIER_nondet_int()) [L11369] COND FALSE !(__VERIFIER_nondet_int()) [L11385] COND FALSE !(__VERIFIER_nondet_int()) [L11401] COND FALSE !(__VERIFIER_nondet_int()) [L11417] COND FALSE !(__VERIFIER_nondet_int()) [L11433] COND FALSE !(__VERIFIER_nondet_int()) [L11449] COND FALSE !(__VERIFIER_nondet_int()) [L11465] COND FALSE !(__VERIFIER_nondet_int()) [L11481] COND FALSE !(__VERIFIER_nondet_int()) [L11497] COND FALSE !(__VERIFIER_nondet_int()) [L11513] COND FALSE !(__VERIFIER_nondet_int()) [L11529] COND FALSE !(__VERIFIER_nondet_int()) [L11545] COND FALSE !(__VERIFIER_nondet_int()) [L11561] COND FALSE !(__VERIFIER_nondet_int()) [L11577] COND FALSE !(__VERIFIER_nondet_int()) [L11593] COND FALSE !(__VERIFIER_nondet_int()) [L11609] COND FALSE !(__VERIFIER_nondet_int()) [L11625] COND FALSE !(__VERIFIER_nondet_int()) [L11641] COND FALSE !(__VERIFIER_nondet_int()) [L11657] COND FALSE !(__VERIFIER_nondet_int()) [L11673] COND FALSE !(__VERIFIER_nondet_int()) [L11689] COND FALSE !(__VERIFIER_nondet_int()) [L11705] COND FALSE !(__VERIFIER_nondet_int()) [L11721] COND FALSE !(__VERIFIER_nondet_int()) [L11737] COND FALSE !(__VERIFIER_nondet_int()) [L11753] COND FALSE !(__VERIFIER_nondet_int()) [L11769] COND FALSE !(__VERIFIER_nondet_int()) [L11785] COND FALSE !(__VERIFIER_nondet_int()) [L11801] COND FALSE !(__VERIFIER_nondet_int()) [L11817] COND FALSE !(__VERIFIER_nondet_int()) [L11833] COND FALSE !(__VERIFIER_nondet_int()) [L11849] COND FALSE !(__VERIFIER_nondet_int()) [L11865] COND FALSE !(__VERIFIER_nondet_int()) [L11881] COND FALSE !(__VERIFIER_nondet_int()) [L11897] COND FALSE !(__VERIFIER_nondet_int()) [L11913] COND FALSE !(__VERIFIER_nondet_int()) [L11929] COND FALSE !(__VERIFIER_nondet_int()) [L11945] COND FALSE !(__VERIFIER_nondet_int()) [L11961] COND FALSE !(__VERIFIER_nondet_int()) [L11977] COND FALSE !(__VERIFIER_nondet_int()) [L11993] COND FALSE !(__VERIFIER_nondet_int()) [L12009] COND FALSE !(__VERIFIER_nondet_int()) [L12025] COND FALSE !(__VERIFIER_nondet_int()) [L12041] COND FALSE !(__VERIFIER_nondet_int()) [L12057] COND FALSE !(__VERIFIER_nondet_int()) [L12073] COND FALSE !(__VERIFIER_nondet_int()) [L12089] COND FALSE !(__VERIFIER_nondet_int()) [L12105] COND FALSE !(__VERIFIER_nondet_int()) [L12121] COND FALSE !(__VERIFIER_nondet_int()) [L12137] COND FALSE !(__VERIFIER_nondet_int()) [L12153] COND FALSE !(__VERIFIER_nondet_int()) [L12169] COND FALSE !(__VERIFIER_nondet_int()) [L12185] COND FALSE !(__VERIFIER_nondet_int()) [L12201] COND FALSE !(__VERIFIER_nondet_int()) [L12217] COND FALSE !(__VERIFIER_nondet_int()) [L12233] COND FALSE !(__VERIFIER_nondet_int()) [L12249] COND FALSE !(__VERIFIER_nondet_int()) [L12265] COND FALSE !(__VERIFIER_nondet_int()) [L12281] COND FALSE !(__VERIFIER_nondet_int()) [L12297] COND FALSE !(__VERIFIER_nondet_int()) [L12313] COND FALSE !(__VERIFIER_nondet_int()) [L12329] COND FALSE !(__VERIFIER_nondet_int()) [L12345] COND FALSE !(__VERIFIER_nondet_int()) [L12361] COND FALSE !(__VERIFIER_nondet_int()) [L12377] COND FALSE !(__VERIFIER_nondet_int()) [L12393] COND FALSE !(__VERIFIER_nondet_int()) [L12409] COND FALSE !(__VERIFIER_nondet_int()) [L12425] COND FALSE !(__VERIFIER_nondet_int()) [L12441] COND FALSE !(__VERIFIER_nondet_int()) [L12457] COND FALSE !(__VERIFIER_nondet_int()) [L12473] COND FALSE !(__VERIFIER_nondet_int()) [L12489] COND FALSE !(__VERIFIER_nondet_int()) [L12505] COND FALSE !(__VERIFIER_nondet_int()) [L12521] COND FALSE !(__VERIFIER_nondet_int()) [L12537] COND FALSE !(__VERIFIER_nondet_int()) [L12553] COND FALSE !(__VERIFIER_nondet_int()) [L12569] COND FALSE !(__VERIFIER_nondet_int()) [L12585] COND FALSE !(__VERIFIER_nondet_int()) [L12601] COND FALSE !(__VERIFIER_nondet_int()) [L12617] COND FALSE !(__VERIFIER_nondet_int()) [L12633] COND FALSE !(__VERIFIER_nondet_int()) [L12649] COND FALSE !(__VERIFIER_nondet_int()) [L12665] COND FALSE !(__VERIFIER_nondet_int()) [L12681] COND FALSE !(__VERIFIER_nondet_int()) [L12697] COND FALSE !(__VERIFIER_nondet_int()) [L12713] COND FALSE !(__VERIFIER_nondet_int()) [L12729] COND FALSE !(__VERIFIER_nondet_int()) [L12745] COND FALSE !(__VERIFIER_nondet_int()) [L12761] COND FALSE !(__VERIFIER_nondet_int()) [L12777] COND FALSE !(__VERIFIER_nondet_int()) [L12793] COND FALSE !(__VERIFIER_nondet_int()) [L12809] COND FALSE !(__VERIFIER_nondet_int()) [L12825] COND FALSE !(__VERIFIER_nondet_int()) [L12841] COND FALSE !(__VERIFIER_nondet_int()) [L12857] COND FALSE !(__VERIFIER_nondet_int()) [L12873] COND FALSE !(__VERIFIER_nondet_int()) [L12889] COND FALSE !(__VERIFIER_nondet_int()) [L12905] COND FALSE !(__VERIFIER_nondet_int()) [L12921] COND FALSE !(__VERIFIER_nondet_int()) [L12937] COND FALSE !(__VERIFIER_nondet_int()) [L12953] COND FALSE !(__VERIFIER_nondet_int()) [L12969] COND FALSE !(__VERIFIER_nondet_int()) [L12985] COND FALSE !(__VERIFIER_nondet_int()) [L13001] COND FALSE !(__VERIFIER_nondet_int()) [L13017] COND FALSE !(__VERIFIER_nondet_int()) [L13033] COND FALSE !(__VERIFIER_nondet_int()) [L13049] COND FALSE !(__VERIFIER_nondet_int()) [L13065] COND FALSE !(__VERIFIER_nondet_int()) [L13081] COND FALSE !(__VERIFIER_nondet_int()) [L13097] COND FALSE !(__VERIFIER_nondet_int()) [L13113] COND FALSE !(__VERIFIER_nondet_int()) [L13129] COND FALSE !(__VERIFIER_nondet_int()) [L13145] COND FALSE !(__VERIFIER_nondet_int()) [L13161] COND FALSE !(__VERIFIER_nondet_int()) [L13177] COND FALSE !(__VERIFIER_nondet_int()) [L13193] COND FALSE !(__VERIFIER_nondet_int()) [L13209] COND FALSE !(__VERIFIER_nondet_int()) [L13225] COND FALSE !(__VERIFIER_nondet_int()) [L13241] COND FALSE !(__VERIFIER_nondet_int()) [L13257] COND FALSE !(__VERIFIER_nondet_int()) [L13273] COND FALSE !(__VERIFIER_nondet_int()) [L13289] COND FALSE !(__VERIFIER_nondet_int()) [L13305] COND FALSE !(__VERIFIER_nondet_int()) [L13321] COND FALSE !(__VERIFIER_nondet_int()) [L13337] COND FALSE !(__VERIFIER_nondet_int()) [L13353] COND FALSE !(__VERIFIER_nondet_int()) [L13369] COND FALSE !(__VERIFIER_nondet_int()) [L13385] COND FALSE !(__VERIFIER_nondet_int()) [L13401] COND FALSE !(__VERIFIER_nondet_int()) [L13417] COND TRUE __VERIFIER_nondet_int() [L13421] method_id = 21 VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L13423] COND TRUE (!this_spacecraft_cEDS && (!this_spacecraft_cLSAM_ASCENT && (!this_spacecraft_cSM && !this_spacecraft_cLAS))) VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] [L44382] reach_error() VAL [m_abort=13, m_abortPassiveLAScompletion=17, m_CEV=12, m_completion=2, m_deOrbit=21, m_edsSeparation=6, m_eiBurn=9, m_enterOrbitOps=14, m_failure=15, m_lasJettison=18, m_loiBurn=4, m_lsamAscentBurn=19, m_lsamAscentRendezvous=7, m_lsamRendezvous=10, m_lsamSeparation=16, m_smSeparation=8, m_srbIgnition=20, m_stage1Separation=5, m_stage2Separation=1, m_teiBurn=11, m_tliBurn=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8321 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.7s, OverallIterations: 21, TraceHistogramMax: 6, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 175983 SDtfs, 68821 SDslu, 131513 SDs, 0 SdLazy, 3778 SolverSat, 1333 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39535occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 506 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 5459 NumberOfCodeBlocks, 5459 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4854 ConstructedInterpolants, 0 QuantifiedInterpolants, 5767414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 311/311 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...