./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bee55207936bfc858217d6eb21ff7cffafc0723 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:04:39,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:04:39,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:04:39,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:04:39,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:04:39,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:04:39,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:04:39,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:04:39,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:04:39,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:04:39,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:04:39,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:04:39,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:04:39,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:04:39,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:04:39,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:04:39,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:04:39,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:04:39,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:04:39,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:04:39,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:04:39,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:04:39,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:04:39,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:04:39,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:04:39,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:04:39,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:04:39,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:04:39,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:04:39,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:04:39,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:04:39,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:04:39,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:04:39,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:04:39,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:04:39,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:04:39,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:04:39,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:04:39,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:04:39,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:04:39,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:04:39,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:04:39,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:04:39,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:04:39,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:04:39,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:04:39,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:04:39,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:04:39,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:04:39,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:04:39,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:04:39,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:04:39,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:04:39,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:04:39,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:04:39,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:04:39,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:04:39,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:04:39,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:04:39,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:04:39,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:04:39,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:04:39,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:04:39,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:04:39,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:04:39,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:04:39,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:04:39,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:04:39,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:04:39,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:04:39,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 4bee55207936bfc858217d6eb21ff7cffafc0723 [2019-11-19 23:04:39,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:04:39,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:04:39,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:04:39,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:04:39,259 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:04:39,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2019-11-19 23:04:39,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/data/9a6f80ffd/89bc42eac5d14411879150d706e845a7/FLAG5d5716595 [2019-11-19 23:04:39,799 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:04:39,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/sv-benchmarks/c/eca-rers2012/Problem14_label00.c [2019-11-19 23:04:39,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/data/9a6f80ffd/89bc42eac5d14411879150d706e845a7/FLAG5d5716595 [2019-11-19 23:04:40,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/data/9a6f80ffd/89bc42eac5d14411879150d706e845a7 [2019-11-19 23:04:40,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:04:40,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:04:40,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:40,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:04:40,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:04:40,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:40,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7212ef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40, skipping insertion in model container [2019-11-19 23:04:40,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:40,297 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:04:40,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:04:40,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:40,831 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:04:40,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:04:40,998 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:04:40,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40 WrapperNode [2019-11-19 23:04:40,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:04:40,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:40,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:04:40,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:04:41,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:04:41,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:04:41,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:04:41,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:04:41,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... [2019-11-19 23:04:41,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:04:41,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:04:41,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:04:41,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:04:41,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/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 [2019-11-19 23:04:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:04:41,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:04:42,659 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:04:42,660 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:04:42,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:42 BoogieIcfgContainer [2019-11-19 23:04:42,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:04:42,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:04:42,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:04:42,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:04:42,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:04:40" (1/3) ... [2019-11-19 23:04:42,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e62c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:04:42, skipping insertion in model container [2019-11-19 23:04:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:04:40" (2/3) ... [2019-11-19 23:04:42,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e62c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:04:42, skipping insertion in model container [2019-11-19 23:04:42,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:42" (3/3) ... [2019-11-19 23:04:42,668 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label00.c [2019-11-19 23:04:42,676 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:04:42,682 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:04:42,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:04:42,719 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:04:42,719 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:04:42,720 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:04:42,720 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:04:42,720 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:04:42,720 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:04:42,720 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:04:42,721 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:04:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-19 23:04:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 23:04:42,755 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:42,756 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:42,757 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:42,762 INFO L82 PathProgramCache]: Analyzing trace with hash -92557335, now seen corresponding path program 1 times [2019-11-19 23:04:42,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:42,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074690739] [2019-11-19 23:04:42,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:43,083 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074690739] [2019-11-19 23:04:43,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:43,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:43,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182357279] [2019-11-19 23:04:43,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:43,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:43,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:43,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:43,105 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-19 23:04:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:44,906 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-19 23:04:44,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:44,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2019-11-19 23:04:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:44,923 INFO L225 Difference]: With dead ends: 850 [2019-11-19 23:04:44,924 INFO L226 Difference]: Without dead ends: 538 [2019-11-19 23:04:44,928 INFO L630 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 [2019-11-19 23:04:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-19 23:04:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-19 23:04:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-19 23:04:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-19 23:04:44,997 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 53 [2019-11-19 23:04:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:44,998 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-19 23:04:44,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-19 23:04:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-19 23:04:45,003 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:45,003 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:45,003 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:45,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:45,004 INFO L82 PathProgramCache]: Analyzing trace with hash 665233748, now seen corresponding path program 1 times [2019-11-19 23:04:45,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:45,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804397559] [2019-11-19 23:04:45,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:45,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804397559] [2019-11-19 23:04:45,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:45,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:45,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895284968] [2019-11-19 23:04:45,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:45,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:45,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:45,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:45,205 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-19 23:04:46,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:46,480 INFO L93 Difference]: Finished difference Result 2142 states and 3296 transitions. [2019-11-19 23:04:46,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:46,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2019-11-19 23:04:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:46,491 INFO L225 Difference]: With dead ends: 2142 [2019-11-19 23:04:46,491 INFO L226 Difference]: Without dead ends: 1606 [2019-11-19 23:04:46,497 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-19 23:04:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2019-11-19 23:04:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2019-11-19 23:04:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2256 transitions. [2019-11-19 23:04:46,570 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2256 transitions. Word has length 118 [2019-11-19 23:04:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:46,571 INFO L462 AbstractCegarLoop]: Abstraction has 1606 states and 2256 transitions. [2019-11-19 23:04:46,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2256 transitions. [2019-11-19 23:04:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-19 23:04:46,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:46,576 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:46,576 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:46,576 INFO L82 PathProgramCache]: Analyzing trace with hash -282099970, now seen corresponding path program 1 times [2019-11-19 23:04:46,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:46,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214319005] [2019-11-19 23:04:46,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:46,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214319005] [2019-11-19 23:04:46,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:04:46,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:04:46,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617239931] [2019-11-19 23:04:46,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:46,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:46,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:04:46,691 INFO L87 Difference]: Start difference. First operand 1606 states and 2256 transitions. Second operand 4 states. [2019-11-19 23:04:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:47,959 INFO L93 Difference]: Finished difference Result 4992 states and 7086 transitions. [2019-11-19 23:04:47,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:47,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-11-19 23:04:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:47,979 INFO L225 Difference]: With dead ends: 4992 [2019-11-19 23:04:47,980 INFO L226 Difference]: Without dead ends: 3388 [2019-11-19 23:04:47,982 INFO L630 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 [2019-11-19 23:04:47,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2019-11-19 23:04:48,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3208. [2019-11-19 23:04:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-19 23:04:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4196 transitions. [2019-11-19 23:04:48,057 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4196 transitions. Word has length 121 [2019-11-19 23:04:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:48,059 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 4196 transitions. [2019-11-19 23:04:48,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4196 transitions. [2019-11-19 23:04:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 23:04:48,070 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:48,070 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:48,070 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:48,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1253085156, now seen corresponding path program 1 times [2019-11-19 23:04:48,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:48,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751343027] [2019-11-19 23:04:48,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 46 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:48,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751343027] [2019-11-19 23:04:48,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899252302] [2019-11-19 23:04:48,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:48,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:04:48,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:04:48,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:48,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 23:04:48,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722987858] [2019-11-19 23:04:48,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:04:48,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:48,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:04:48,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:48,462 INFO L87 Difference]: Start difference. First operand 3208 states and 4196 transitions. Second operand 3 states. [2019-11-19 23:04:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:49,290 INFO L93 Difference]: Finished difference Result 7482 states and 9887 transitions. [2019-11-19 23:04:49,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:04:49,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-11-19 23:04:49,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:49,315 INFO L225 Difference]: With dead ends: 7482 [2019-11-19 23:04:49,315 INFO L226 Difference]: Without dead ends: 4454 [2019-11-19 23:04:49,397 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-11-19 23:04:49,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 3920. [2019-11-19 23:04:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-19 23:04:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 5028 transitions. [2019-11-19 23:04:49,494 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 5028 transitions. Word has length 133 [2019-11-19 23:04:49,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:49,495 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 5028 transitions. [2019-11-19 23:04:49,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:04:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 5028 transitions. [2019-11-19 23:04:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-11-19 23:04:49,501 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:49,501 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:49,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:49,705 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:49,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:49,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1257352591, now seen corresponding path program 1 times [2019-11-19 23:04:49,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:49,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585832894] [2019-11-19 23:04:49,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 23:04:50,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585832894] [2019-11-19 23:04:50,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917157953] [2019-11-19 23:04:50,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:50,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:04:50,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-19 23:04:50,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:50,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 23:04:50,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489657981] [2019-11-19 23:04:50,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:04:50,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:50,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:04:50,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:50,272 INFO L87 Difference]: Start difference. First operand 3920 states and 5028 transitions. Second operand 3 states. [2019-11-19 23:04:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:51,131 INFO L93 Difference]: Finished difference Result 8372 states and 10883 transitions. [2019-11-19 23:04:51,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:04:51,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-11-19 23:04:51,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:51,155 INFO L225 Difference]: With dead ends: 8372 [2019-11-19 23:04:51,155 INFO L226 Difference]: Without dead ends: 4632 [2019-11-19 23:04:51,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2019-11-19 23:04:51,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 3920. [2019-11-19 23:04:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-19 23:04:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4839 transitions. [2019-11-19 23:04:51,240 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4839 transitions. Word has length 294 [2019-11-19 23:04:51,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:51,242 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4839 transitions. [2019-11-19 23:04:51,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:04:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4839 transitions. [2019-11-19 23:04:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-19 23:04:51,251 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:51,251 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:51,457 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:51,457 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:51,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash 2139630150, now seen corresponding path program 1 times [2019-11-19 23:04:51,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:51,458 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495785907] [2019-11-19 23:04:51,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 262 proven. 4 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-11-19 23:04:51,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495785907] [2019-11-19 23:04:51,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467766457] [2019-11-19 23:04:51,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:51,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:04:51,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-11-19 23:04:52,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:52,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 23:04:52,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239045557] [2019-11-19 23:04:52,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:04:52,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:52,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:04:52,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:52,083 INFO L87 Difference]: Start difference. First operand 3920 states and 4839 transitions. Second operand 3 states. [2019-11-19 23:04:52,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:52,850 INFO L93 Difference]: Finished difference Result 7482 states and 9302 transitions. [2019-11-19 23:04:52,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:04:52,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2019-11-19 23:04:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:52,871 INFO L225 Difference]: With dead ends: 7482 [2019-11-19 23:04:52,871 INFO L226 Difference]: Without dead ends: 3920 [2019-11-19 23:04:52,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-11-19 23:04:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2019-11-19 23:04:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-19 23:04:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4546 transitions. [2019-11-19 23:04:52,946 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4546 transitions. Word has length 354 [2019-11-19 23:04:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:52,948 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 4546 transitions. [2019-11-19 23:04:52,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:04:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4546 transitions. [2019-11-19 23:04:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-11-19 23:04:52,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:52,957 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:53,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:53,161 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:53,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:53,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1290220651, now seen corresponding path program 1 times [2019-11-19 23:04:53,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:53,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436453523] [2019-11-19 23:04:53,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 261 proven. 4 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-11-19 23:04:53,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436453523] [2019-11-19 23:04:53,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143421586] [2019-11-19 23:04:53,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:53,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 23:04:53,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-19 23:04:53,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:53,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-11-19 23:04:53,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69229227] [2019-11-19 23:04:53,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:53,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:53,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:53,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:04:53,867 INFO L87 Difference]: Start difference. First operand 3742 states and 4546 transitions. Second operand 4 states. [2019-11-19 23:04:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:54,982 INFO L93 Difference]: Finished difference Result 8914 states and 10948 transitions. [2019-11-19 23:04:54,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:04:54,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 361 [2019-11-19 23:04:54,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:55,006 INFO L225 Difference]: With dead ends: 8914 [2019-11-19 23:04:55,007 INFO L226 Difference]: Without dead ends: 5344 [2019-11-19 23:04:55,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:04:55,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2019-11-19 23:04:55,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4810. [2019-11-19 23:04:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2019-11-19 23:04:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5833 transitions. [2019-11-19 23:04:55,096 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5833 transitions. Word has length 361 [2019-11-19 23:04:55,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:55,097 INFO L462 AbstractCegarLoop]: Abstraction has 4810 states and 5833 transitions. [2019-11-19 23:04:55,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5833 transitions. [2019-11-19 23:04:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2019-11-19 23:04:55,109 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:55,110 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:55,313 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:55,313 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:55,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:55,313 INFO L82 PathProgramCache]: Analyzing trace with hash 135550644, now seen corresponding path program 1 times [2019-11-19 23:04:55,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:55,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536082768] [2019-11-19 23:04:55,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 262 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-11-19 23:04:55,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536082768] [2019-11-19 23:04:55,748 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096894938] [2019-11-19 23:04:55,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:55,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:04:55,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-11-19 23:04:56,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:04:56,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-19 23:04:56,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353230050] [2019-11-19 23:04:56,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:04:56,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:56,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:04:56,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:56,062 INFO L87 Difference]: Start difference. First operand 4810 states and 5833 transitions. Second operand 4 states. [2019-11-19 23:04:56,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:04:56,746 INFO L93 Difference]: Finished difference Result 9320 states and 11342 transitions. [2019-11-19 23:04:56,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:04:56,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 418 [2019-11-19 23:04:56,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:04:56,764 INFO L225 Difference]: With dead ends: 9320 [2019-11-19 23:04:56,764 INFO L226 Difference]: Without dead ends: 4810 [2019-11-19 23:04:56,769 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 417 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:04:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2019-11-19 23:04:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4632. [2019-11-19 23:04:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2019-11-19 23:04:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5079 transitions. [2019-11-19 23:04:56,830 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5079 transitions. Word has length 418 [2019-11-19 23:04:56,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:04:56,830 INFO L462 AbstractCegarLoop]: Abstraction has 4632 states and 5079 transitions. [2019-11-19 23:04:56,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:04:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5079 transitions. [2019-11-19 23:04:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2019-11-19 23:04:56,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:04:56,847 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:04:57,050 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:57,050 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:04:57,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:04:57,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1744234854, now seen corresponding path program 1 times [2019-11-19 23:04:57,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:04:57,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576555571] [2019-11-19 23:04:57,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:04:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 452 proven. 65 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-19 23:04:57,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576555571] [2019-11-19 23:04:57,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734623315] [2019-11-19 23:04:57,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:04:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:04:57,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 23:04:57,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:04:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 553 proven. 134 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-19 23:04:58,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:04:58,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2019-11-19 23:04:58,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509994418] [2019-11-19 23:04:58,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-19 23:04:58,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:04:58,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-19 23:04:58,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-11-19 23:04:58,508 INFO L87 Difference]: Start difference. First operand 4632 states and 5079 transitions. Second operand 11 states. [2019-11-19 23:05:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:02,836 INFO L93 Difference]: Finished difference Result 11410 states and 12607 transitions. [2019-11-19 23:05:02,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-19 23:05:02,837 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 513 [2019-11-19 23:05:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:02,856 INFO L225 Difference]: With dead ends: 11410 [2019-11-19 23:05:02,856 INFO L226 Difference]: Without dead ends: 5350 [2019-11-19 23:05:02,862 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 509 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2019-11-19 23:05:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5350 states. [2019-11-19 23:05:02,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5350 to 4454. [2019-11-19 23:05:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2019-11-19 23:05:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4692 transitions. [2019-11-19 23:05:02,931 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4692 transitions. Word has length 513 [2019-11-19 23:05:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:02,932 INFO L462 AbstractCegarLoop]: Abstraction has 4454 states and 4692 transitions. [2019-11-19 23:05:02,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-19 23:05:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4692 transitions. [2019-11-19 23:05:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2019-11-19 23:05:02,950 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:02,952 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:03,155 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:05:03,155 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:03,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:03,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1910546673, now seen corresponding path program 1 times [2019-11-19 23:05:03,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:03,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645162077] [2019-11-19 23:05:03,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-19 23:05:04,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645162077] [2019-11-19 23:05:04,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:04,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:05:04,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883868655] [2019-11-19 23:05:04,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:05:04,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:04,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:05:04,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:05:04,807 INFO L87 Difference]: Start difference. First operand 4454 states and 4692 transitions. Second operand 6 states. [2019-11-19 23:05:05,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:05,612 INFO L93 Difference]: Finished difference Result 9461 states and 9951 transitions. [2019-11-19 23:05:05,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:05:05,613 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 939 [2019-11-19 23:05:05,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:05,620 INFO L225 Difference]: With dead ends: 9461 [2019-11-19 23:05:05,620 INFO L226 Difference]: Without dead ends: 5365 [2019-11-19 23:05:05,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:05:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5365 states. [2019-11-19 23:05:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5365 to 4454. [2019-11-19 23:05:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2019-11-19 23:05:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4692 transitions. [2019-11-19 23:05:05,676 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4692 transitions. Word has length 939 [2019-11-19 23:05:05,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:05,677 INFO L462 AbstractCegarLoop]: Abstraction has 4454 states and 4692 transitions. [2019-11-19 23:05:05,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:05:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4692 transitions. [2019-11-19 23:05:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2019-11-19 23:05:05,688 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:05,689 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:05,690 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:05,690 INFO L82 PathProgramCache]: Analyzing trace with hash 29750968, now seen corresponding path program 1 times [2019-11-19 23:05:05,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:05,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772878451] [2019-11-19 23:05:05,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1781 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2019-11-19 23:05:07,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772878451] [2019-11-19 23:05:07,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:07,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 23:05:07,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662029210] [2019-11-19 23:05:07,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:05:07,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:07,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:05:07,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:05:07,675 INFO L87 Difference]: Start difference. First operand 4454 states and 4692 transitions. Second operand 7 states. [2019-11-19 23:05:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:08,491 INFO L93 Difference]: Finished difference Result 9443 states and 9932 transitions. [2019-11-19 23:05:08,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:05:08,492 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 946 [2019-11-19 23:05:08,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:08,502 INFO L225 Difference]: With dead ends: 9443 [2019-11-19 23:05:08,502 INFO L226 Difference]: Without dead ends: 5169 [2019-11-19 23:05:08,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:05:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2019-11-19 23:05:08,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 4632. [2019-11-19 23:05:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2019-11-19 23:05:08,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4872 transitions. [2019-11-19 23:05:08,559 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4872 transitions. Word has length 946 [2019-11-19 23:05:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:08,560 INFO L462 AbstractCegarLoop]: Abstraction has 4632 states and 4872 transitions. [2019-11-19 23:05:08,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:05:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4872 transitions. [2019-11-19 23:05:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2019-11-19 23:05:08,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:08,572 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 23:05:08,572 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:08,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:08,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1371405250, now seen corresponding path program 1 times [2019-11-19 23:05:08,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:08,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711242840] [2019-11-19 23:05:08,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 1094 proven. 617 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2019-11-19 23:05:10,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711242840] [2019-11-19 23:05:10,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799018214] [2019-11-19 23:05:10,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:05:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:11,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 23:05:11,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:05:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 859 proven. 267 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2019-11-19 23:05:12,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:05:12,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-11-19 23:05:12,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865702987] [2019-11-19 23:05:12,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 23:05:12,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:12,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 23:05:12,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:05:12,585 INFO L87 Difference]: Start difference. First operand 4632 states and 4872 transitions. Second operand 9 states. [2019-11-19 23:05:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:15,435 INFO L93 Difference]: Finished difference Result 10235 states and 10806 transitions. [2019-11-19 23:05:15,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-19 23:05:15,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1014 [2019-11-19 23:05:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:15,444 INFO L225 Difference]: With dead ends: 10235 [2019-11-19 23:05:15,445 INFO L226 Difference]: Without dead ends: 5783 [2019-11-19 23:05:15,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1011 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2019-11-19 23:05:15,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2019-11-19 23:05:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5166. [2019-11-19 23:05:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2019-11-19 23:05:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5406 transitions. [2019-11-19 23:05:15,514 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5406 transitions. Word has length 1014 [2019-11-19 23:05:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:15,515 INFO L462 AbstractCegarLoop]: Abstraction has 5166 states and 5406 transitions. [2019-11-19 23:05:15,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 23:05:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5406 transitions. [2019-11-19 23:05:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2019-11-19 23:05:15,529 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:15,529 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:15,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:05:15,733 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:15,734 INFO L82 PathProgramCache]: Analyzing trace with hash -263384217, now seen corresponding path program 1 times [2019-11-19 23:05:15,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:15,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26008196] [2019-11-19 23:05:15,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 1306 proven. 0 refuted. 0 times theorem prover too weak. 2510 trivial. 0 not checked. [2019-11-19 23:05:17,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26008196] [2019-11-19 23:05:17,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:17,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 23:05:17,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954817398] [2019-11-19 23:05:17,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:05:17,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:17,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:05:17,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:05:17,248 INFO L87 Difference]: Start difference. First operand 5166 states and 5406 transitions. Second operand 7 states. [2019-11-19 23:05:17,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:17,761 INFO L93 Difference]: Finished difference Result 10068 states and 10526 transitions. [2019-11-19 23:05:17,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:05:17,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1105 [2019-11-19 23:05:17,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:17,770 INFO L225 Difference]: With dead ends: 10068 [2019-11-19 23:05:17,770 INFO L226 Difference]: Without dead ends: 4988 [2019-11-19 23:05:17,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:05:17,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2019-11-19 23:05:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4988. [2019-11-19 23:05:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2019-11-19 23:05:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5195 transitions. [2019-11-19 23:05:17,828 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5195 transitions. Word has length 1105 [2019-11-19 23:05:17,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:17,829 INFO L462 AbstractCegarLoop]: Abstraction has 4988 states and 5195 transitions. [2019-11-19 23:05:17,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:05:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5195 transitions. [2019-11-19 23:05:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2019-11-19 23:05:17,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:17,846 INFO L410 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:17,846 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:17,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:17,847 INFO L82 PathProgramCache]: Analyzing trace with hash 668795038, now seen corresponding path program 1 times [2019-11-19 23:05:17,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:17,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604617120] [2019-11-19 23:05:17,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4652 backedges. 1455 proven. 0 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2019-11-19 23:05:19,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604617120] [2019-11-19 23:05:19,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:19,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:05:19,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662465935] [2019-11-19 23:05:19,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 23:05:19,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:19,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 23:05:19,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:05:19,121 INFO L87 Difference]: Start difference. First operand 4988 states and 5195 transitions. Second operand 5 states. [2019-11-19 23:05:20,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:20,062 INFO L93 Difference]: Finished difference Result 11042 states and 11541 transitions. [2019-11-19 23:05:20,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:05:20,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1199 [2019-11-19 23:05:20,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:20,066 INFO L225 Difference]: With dead ends: 11042 [2019-11-19 23:05:20,066 INFO L226 Difference]: Without dead ends: 4276 [2019-11-19 23:05:20,070 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:05:20,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-11-19 23:05:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3920. [2019-11-19 23:05:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2019-11-19 23:05:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4024 transitions. [2019-11-19 23:05:20,107 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4024 transitions. Word has length 1199 [2019-11-19 23:05:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:20,108 INFO L462 AbstractCegarLoop]: Abstraction has 3920 states and 4024 transitions. [2019-11-19 23:05:20,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 23:05:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4024 transitions. [2019-11-19 23:05:20,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2019-11-19 23:05:20,123 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:20,124 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:20,124 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash 33821815, now seen corresponding path program 1 times [2019-11-19 23:05:20,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:20,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761959135] [2019-11-19 23:05:20,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4145 backedges. 1331 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2019-11-19 23:05:21,484 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761959135] [2019-11-19 23:05:21,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:21,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:05:21,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683726740] [2019-11-19 23:05:21,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:05:21,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:21,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:05:21,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:21,485 INFO L87 Difference]: Start difference. First operand 3920 states and 4024 transitions. Second operand 4 states. [2019-11-19 23:05:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:22,102 INFO L93 Difference]: Finished difference Result 7836 states and 8047 transitions. [2019-11-19 23:05:22,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:05:22,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1201 [2019-11-19 23:05:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:22,103 INFO L225 Difference]: With dead ends: 7836 [2019-11-19 23:05:22,103 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:05:22,107 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:22,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:05:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:05:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:05:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:05:22,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1201 [2019-11-19 23:05:22,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:22,109 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:05:22,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:05:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:05:22,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:05:22,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:05:22,371 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 172 [2019-11-19 23:05:22,592 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 170 [2019-11-19 23:05:23,533 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2019-11-19 23:05:24,223 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2019-11-19 23:05:24,225 INFO L444 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,226 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-19 23:05:24,227 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 23:05:24,228 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-19 23:05:24,229 INFO L444 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-19 23:05:24,230 INFO L444 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 23:05:24,231 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,232 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,233 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,234 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,235 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L440 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse18 (+ ~a12~0 43))) (let ((.cse4 (<= .cse18 0)) (.cse5 (< 11 ~a12~0))) (let ((.cse11 (<= ~a12~0 80)) (.cse15 (or .cse4 .cse5)) (.cse6 (not (= 9 ~a15~0)))) (let ((.cse3 (not (= 5 ~a15~0))) (.cse12 (and .cse11 .cse15 (<= 8 ~a21~0) .cse6)) (.cse2 (= ~a21~0 7)) (.cse13 (< 0 .cse18)) (.cse10 (<= 9 ~a21~0)) (.cse16 (<= ~a12~0 11)) (.cse0 (<= 58 ~a12~0)) (.cse9 (<= ~a15~0 7)) (.cse7 (<= (+ ~a12~0 49) 0)) (.cse8 (<= ~a21~0 6)) (.cse14 (= 8 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse17 (= ~a21~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (or .cse4 .cse5 (not (= 1 ULTIMATE.start_calculate_output_~input))) (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse6 .cse7 .cse8) (and .cse1 (= ~a15~0 5) .cse8) (and .cse9 .cse1 (and .cse10 .cse3)) (and .cse1 (= 7 ~a15~0)) (and .cse11 .cse0 .cse1) (and .cse10 .cse0 .cse1) (and .cse12 .cse1 .cse13) (and .cse12 .cse9 .cse1) (and .cse14 .cse1 .cse2 .cse7) (and (and .cse10 .cse15 .cse16) .cse1) (and .cse0 .cse1 .cse8) (and .cse14 .cse1 .cse2 .cse16 .cse13) (and .cse15 .cse9 .cse1 .cse8) (and .cse1 (and .cse10 (not .cse17) .cse16)) (and .cse0 .cse14 .cse1) (and .cse9 .cse7 .cse8) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse14 .cse1 .cse17)))))) [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-19 23:05:24,236 INFO L444 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-19 23:05:24,237 INFO L444 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L447 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,239 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L444 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-19 23:05:24,240 INFO L440 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse18 (+ ~a12~0 43))) (let ((.cse4 (<= .cse18 0)) (.cse5 (< 11 ~a12~0))) (let ((.cse11 (<= ~a12~0 80)) (.cse15 (or .cse4 .cse5)) (.cse6 (not (= 9 ~a15~0)))) (let ((.cse3 (not (= 5 ~a15~0))) (.cse12 (and .cse11 .cse15 (<= 8 ~a21~0) .cse6)) (.cse2 (= ~a21~0 7)) (.cse13 (< 0 .cse18)) (.cse10 (<= 9 ~a21~0)) (.cse16 (<= ~a12~0 11)) (.cse0 (<= 58 ~a12~0)) (.cse9 (<= ~a15~0 7)) (.cse7 (<= (+ ~a12~0 49) 0)) (.cse8 (<= ~a21~0 6)) (.cse14 (= 8 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse17 (= ~a21~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (or .cse4 .cse5 (not (= 1 ULTIMATE.start_calculate_output_~input))) (= ~a21~0 8) (= ~a15~0 9)) (and .cse1 .cse6 .cse7 .cse8) (and .cse1 (= ~a15~0 5) .cse8) (and .cse9 .cse1 (and .cse10 .cse3)) (and .cse1 (= 7 ~a15~0)) (and .cse11 .cse0 .cse1) (and .cse10 .cse0 .cse1) (and .cse12 .cse1 .cse13) (and .cse12 .cse9 .cse1) (and .cse14 .cse1 .cse2 .cse7) (and (and .cse10 .cse15 .cse16) .cse1) (and .cse0 .cse1 .cse8) (and .cse14 .cse1 .cse2 .cse16 .cse13) (and .cse15 .cse9 .cse1 .cse8) (and .cse1 (and .cse10 (not .cse17) .cse16)) (and .cse0 .cse14 .cse1) (and .cse9 .cse7 .cse8) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse14 .cse1 .cse17)))))) [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 23:05:24,241 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-19 23:05:24,242 INFO L444 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-19 23:05:24,243 INFO L444 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-19 23:05:24,244 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 23:05:24,244 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 23:05:24,244 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 23:05:24,244 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-19 23:05:24,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:05:24 BoogieIcfgContainer [2019-11-19 23:05:24,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:05:24,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:05:24,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:05:24,273 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:05:24,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:04:42" (3/4) ... [2019-11-19 23:05:24,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:05:24,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:05:24,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:05:24,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5eccdf46-8d39-4f3d-8e4e-1ed093ba8660/bin/uautomizer/witness.graphml [2019-11-19 23:05:24,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:05:24,444 INFO L168 Benchmark]: Toolchain (without parser) took 44161.96 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 939.3 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 866.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,444 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:05:24,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,445 INFO L168 Benchmark]: Boogie Preprocessor took 90.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,445 INFO L168 Benchmark]: RCFGBuilder took 1460.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.3 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,446 INFO L168 Benchmark]: TraceAbstraction took 41610.12 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 964.3 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 684.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,446 INFO L168 Benchmark]: Witness Printer took 170.21 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:24,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 716.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1460.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.3 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41610.12 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 964.3 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 684.3 MB. Max. memory is 11.5 GB. * Witness Printer took 170.21 ms. Allocated memory is still 3.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((58 <= a12 && a24 == 1) && a21 == 7) && !(5 == a15)) || (((a24 == 1 && ((a12 + 43 <= 0 || 11 < a12) || !(1 == input))) && a21 == 8) && a15 == 9)) || (((a24 == 1 && !(9 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || ((a24 == 1 && a15 == 5) && a21 <= 6)) || ((a15 <= 7 && a24 == 1) && 9 <= a21 && !(5 == a15))) || (a24 == 1 && 7 == a15)) || ((a12 <= 80 && 58 <= a12) && a24 == 1)) || ((9 <= a21 && 58 <= a12) && a24 == 1)) || (((((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && 8 <= a21) && !(9 == a15)) && a24 == 1) && 0 < a12 + 43)) || (((((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && 8 <= a21) && !(9 == a15)) && a15 <= 7) && a24 == 1)) || (((8 == a15 && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || (((9 <= a21 && (a12 + 43 <= 0 || 11 < a12)) && a12 <= 11) && a24 == 1)) || ((58 <= a12 && a24 == 1) && a21 <= 6)) || ((((8 == a15 && a24 == 1) && a21 == 7) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 + 43 <= 0 || 11 < a12) && a15 <= 7) && a24 == 1) && a21 <= 6)) || (a24 == 1 && (9 <= a21 && !(a21 == 9)) && a12 <= 11)) || ((58 <= a12 && 8 == a15) && a24 == 1)) || ((a15 <= 7 && a12 + 49 <= 0) && a21 <= 6)) || (((!(5 == input) && 8 == a15) && a24 == 1) && a21 == 9) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((((((((((((((((58 <= a12 && a24 == 1) && a21 == 7) && !(5 == a15)) || (((a24 == 1 && ((a12 + 43 <= 0 || 11 < a12) || !(1 == input))) && a21 == 8) && a15 == 9)) || (((a24 == 1 && !(9 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || ((a24 == 1 && a15 == 5) && a21 <= 6)) || ((a15 <= 7 && a24 == 1) && 9 <= a21 && !(5 == a15))) || (a24 == 1 && 7 == a15)) || ((a12 <= 80 && 58 <= a12) && a24 == 1)) || ((9 <= a21 && 58 <= a12) && a24 == 1)) || (((((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && 8 <= a21) && !(9 == a15)) && a24 == 1) && 0 < a12 + 43)) || (((((a12 <= 80 && (a12 + 43 <= 0 || 11 < a12)) && 8 <= a21) && !(9 == a15)) && a15 <= 7) && a24 == 1)) || (((8 == a15 && a24 == 1) && a21 == 7) && a12 + 49 <= 0)) || (((9 <= a21 && (a12 + 43 <= 0 || 11 < a12)) && a12 <= 11) && a24 == 1)) || ((58 <= a12 && a24 == 1) && a21 <= 6)) || ((((8 == a15 && a24 == 1) && a21 == 7) && a12 <= 11) && 0 < a12 + 43)) || ((((a12 + 43 <= 0 || 11 < a12) && a15 <= 7) && a24 == 1) && a21 <= 6)) || (a24 == 1 && (9 <= a21 && !(a21 == 9)) && a12 <= 11)) || ((58 <= a12 && 8 == a15) && a24 == 1)) || ((a15 <= 7 && a12 + 49 <= 0) && a21 <= 6)) || (((!(5 == input) && 8 == a15) && a24 == 1) && a21 == 9) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 41.5s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 1375 SDtfs, 5653 SDslu, 259 SDs, 0 SdLazy, 18995 SolverSat, 1893 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3189 GetRequests, 3085 SyntacticMatches, 9 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 5633 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 110 NumberOfFragments, 591 HoareAnnotationTreeSize, 3 FomulaSimplifications, 24832 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 11124 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 11856 NumberOfCodeBlocks, 11856 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 11834 ConstructedInterpolants, 0 QuantifiedInterpolants, 36086440 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3873 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 22 InterpolantComputations, 13 PerfectInterpolantSequences, 26873/27976 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...