./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:48:46,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:48:46,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:48:46,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:48:46,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:48:46,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:48:46,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:48:46,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:48:46,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:48:46,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:48:46,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:48:46,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:48:46,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:48:46,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:48:46,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:48:46,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:48:46,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:48:46,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:48:46,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:48:46,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:48:46,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:48:46,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:48:46,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:48:46,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:48:46,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:48:46,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:48:46,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:48:46,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:48:46,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:48:46,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:48:46,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:48:46,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:48:46,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:48:46,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:48:46,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:48:46,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:48:46,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:48:46,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:48:46,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:48:46,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:48:46,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:48:46,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:48:46,500 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:48:46,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:48:46,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:48:46,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:48:46,502 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:48:46,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:48:46,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:48:46,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:48:46,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:48:46,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:48:46,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:48:46,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:48:46,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:48:46,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:48:46,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:48:46,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:48:46,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:48:46,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:48:46,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:48:46,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:48:46,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:48:46,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:48:46,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:48:46,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:48:46,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:48:46,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:48:46,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:48:46,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:48:46,509 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_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2019-11-15 23:48:46,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:48:46,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:48:46,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:48:46,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:48:46,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:48:46,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2019-11-15 23:48:46,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/data/47c36a388/32d4dd28521a470c94f7e5b69c6f94db/FLAGc3f1b90ab [2019-11-15 23:48:47,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:48:47,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2019-11-15 23:48:47,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/data/47c36a388/32d4dd28521a470c94f7e5b69c6f94db/FLAGc3f1b90ab [2019-11-15 23:48:47,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/data/47c36a388/32d4dd28521a470c94f7e5b69c6f94db [2019-11-15 23:48:47,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:48:47,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:48:47,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:47,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:48:47,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:48:47,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:47" (1/1) ... [2019-11-15 23:48:47,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33407b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:47, skipping insertion in model container [2019-11-15 23:48:47,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:48:47" (1/1) ... [2019-11-15 23:48:47,385 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:48:47,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:48:47,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:48,000 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:48:48,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:48:48,173 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:48:48,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48 WrapperNode [2019-11-15 23:48:48,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:48:48,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:48,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:48:48,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:48:48,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:48:48,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:48:48,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:48:48,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:48:48,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... [2019-11-15 23:48:48,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:48:48,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:48:48,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:48:48,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:48:48,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:48:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:48:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:48:49,807 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:48:49,807 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:48:49,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:49 BoogieIcfgContainer [2019-11-15 23:48:49,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:48:49,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:48:49,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:48:49,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:48:49,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:48:47" (1/3) ... [2019-11-15 23:48:49,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e8dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:49, skipping insertion in model container [2019-11-15 23:48:49,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:48:48" (2/3) ... [2019-11-15 23:48:49,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e8dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:48:49, skipping insertion in model container [2019-11-15 23:48:49,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:49" (3/3) ... [2019-11-15 23:48:49,817 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c [2019-11-15 23:48:49,825 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:48:49,833 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:48:49,843 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:48:49,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:48:49,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:48:49,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:48:49,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:48:49,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:48:49,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:48:49,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:48:49,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:48:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-15 23:48:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-15 23:48:49,898 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:49,899 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:49,901 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:49,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:49,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2019-11-15 23:48:49,915 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:49,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783490818] [2019-11-15 23:48:49,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:49,917 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:49,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:50,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783490818] [2019-11-15 23:48:50,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:50,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:48:50,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762620646] [2019-11-15 23:48:50,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:48:50,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:50,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:48:50,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:48:50,294 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-15 23:48:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:52,147 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-15 23:48:52,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:48:52,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2019-11-15 23:48:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:52,178 INFO L225 Difference]: With dead ends: 850 [2019-11-15 23:48:52,178 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 23:48:52,187 INFO L600 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 [2019-11-15 23:48:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 23:48:52,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 23:48:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 23:48:52,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 796 transitions. [2019-11-15 23:48:52,272 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 796 transitions. Word has length 56 [2019-11-15 23:48:52,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:52,272 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 796 transitions. [2019-11-15 23:48:52,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:48:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 796 transitions. [2019-11-15 23:48:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-15 23:48:52,278 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:52,278 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:52,279 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:52,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:52,279 INFO L82 PathProgramCache]: Analyzing trace with hash 448247055, now seen corresponding path program 1 times [2019-11-15 23:48:52,279 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:52,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664867957] [2019-11-15 23:48:52,280 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:52,280 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:52,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:48:52,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664867957] [2019-11-15 23:48:52,444 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:52,444 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:48:52,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078693339] [2019-11-15 23:48:52,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:48:52,447 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:52,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:48:52,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:48:52,448 INFO L87 Difference]: Start difference. First operand 538 states and 796 transitions. Second operand 3 states. [2019-11-15 23:48:53,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:53,299 INFO L93 Difference]: Finished difference Result 1608 states and 2383 transitions. [2019-11-15 23:48:53,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:48:53,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-11-15 23:48:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:53,309 INFO L225 Difference]: With dead ends: 1608 [2019-11-15 23:48:53,309 INFO L226 Difference]: Without dead ends: 1072 [2019-11-15 23:48:53,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:48:53,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-11-15 23:48:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2019-11-15 23:48:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-11-15 23:48:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1462 transitions. [2019-11-15 23:48:53,356 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1462 transitions. Word has length 131 [2019-11-15 23:48:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:53,357 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1462 transitions. [2019-11-15 23:48:53,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:48:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1462 transitions. [2019-11-15 23:48:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-15 23:48:53,364 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:53,365 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-15 23:48:53,365 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:53,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:53,365 INFO L82 PathProgramCache]: Analyzing trace with hash -583227099, now seen corresponding path program 1 times [2019-11-15 23:48:53,366 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:53,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161603277] [2019-11-15 23:48:53,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:53,366 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:53,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-15 23:48:53,534 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161603277] [2019-11-15 23:48:53,535 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:48:53,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:48:53,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983646962] [2019-11-15 23:48:53,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:48:53,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:53,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:48:53,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:48:53,536 INFO L87 Difference]: Start difference. First operand 1072 states and 1462 transitions. Second operand 4 states. [2019-11-15 23:48:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:54,749 INFO L93 Difference]: Finished difference Result 3566 states and 4948 transitions. [2019-11-15 23:48:54,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:48:54,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 199 [2019-11-15 23:48:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:54,764 INFO L225 Difference]: With dead ends: 3566 [2019-11-15 23:48:54,764 INFO L226 Difference]: Without dead ends: 2496 [2019-11-15 23:48:54,767 INFO L600 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 [2019-11-15 23:48:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-15 23:48:54,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-11-15 23:48:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-15 23:48:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2948 transitions. [2019-11-15 23:48:54,830 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2948 transitions. Word has length 199 [2019-11-15 23:48:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:54,831 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2948 transitions. [2019-11-15 23:48:54,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:48:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2948 transitions. [2019-11-15 23:48:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-15 23:48:54,836 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:54,837 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2019-11-15 23:48:54,837 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:54,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:54,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1937191044, now seen corresponding path program 1 times [2019-11-15 23:48:54,838 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:54,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615924524] [2019-11-15 23:48:54,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:54,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:54,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-15 23:48:55,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615924524] [2019-11-15 23:48:55,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224675733] [2019-11-15 23:48:55,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:48:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:55,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:48:55,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:48:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-15 23:48:55,377 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:48:55,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-15 23:48:55,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760483248] [2019-11-15 23:48:55,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:48:55,378 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:55,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:48:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:48:55,379 INFO L87 Difference]: Start difference. First operand 2318 states and 2948 transitions. Second operand 4 states. [2019-11-15 23:48:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:56,417 INFO L93 Difference]: Finished difference Result 4692 states and 5982 transitions. [2019-11-15 23:48:56,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:48:56,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 244 [2019-11-15 23:48:56,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:56,432 INFO L225 Difference]: With dead ends: 4692 [2019-11-15 23:48:56,432 INFO L226 Difference]: Without dead ends: 2496 [2019-11-15 23:48:56,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 243 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:48:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-11-15 23:48:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2019-11-15 23:48:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-11-15 23:48:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2563 transitions. [2019-11-15 23:48:56,493 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2563 transitions. Word has length 244 [2019-11-15 23:48:56,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:56,495 INFO L462 AbstractCegarLoop]: Abstraction has 2318 states and 2563 transitions. [2019-11-15 23:48:56,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:48:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2563 transitions. [2019-11-15 23:48:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-15 23:48:56,501 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:56,502 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:56,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:48:56,713 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1316606823, now seen corresponding path program 1 times [2019-11-15 23:48:56,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:56,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172300439] [2019-11-15 23:48:56,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:56,714 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:56,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 284 proven. 65 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-15 23:48:57,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172300439] [2019-11-15 23:48:57,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058696272] [2019-11-15 23:48:57,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:48:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:57,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:48:57,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:48:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-11-15 23:48:57,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:48:57,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:48:57,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002519300] [2019-11-15 23:48:57,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:48:57,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:57,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:48:57,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:48:57,612 INFO L87 Difference]: Start difference. First operand 2318 states and 2563 transitions. Second operand 3 states. [2019-11-15 23:48:58,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:48:58,280 INFO L93 Difference]: Finished difference Result 5346 states and 5996 transitions. [2019-11-15 23:48:58,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:48:58,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 339 [2019-11-15 23:48:58,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:48:58,298 INFO L225 Difference]: With dead ends: 5346 [2019-11-15 23:48:58,298 INFO L226 Difference]: Without dead ends: 3208 [2019-11-15 23:48:58,302 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 338 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:48:58,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-15 23:48:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3208. [2019-11-15 23:48:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-15 23:48:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3578 transitions. [2019-11-15 23:48:58,378 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3578 transitions. Word has length 339 [2019-11-15 23:48:58,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:48:58,379 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3578 transitions. [2019-11-15 23:48:58,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:48:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3578 transitions. [2019-11-15 23:48:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2019-11-15 23:48:58,389 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:48:58,389 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:48:58,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:48:58,592 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:48:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:48:58,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1112080365, now seen corresponding path program 1 times [2019-11-15 23:48:58,593 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:48:58,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724836786] [2019-11-15 23:48:58,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:58,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:48:58,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:48:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 431 proven. 65 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-11-15 23:48:59,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724836786] [2019-11-15 23:48:59,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971154648] [2019-11-15 23:48:59,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:48:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:48:59,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-15 23:48:59,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:48:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 468 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2019-11-15 23:48:59,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:48:59,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2019-11-15 23:48:59,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55729141] [2019-11-15 23:48:59,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:48:59,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:48:59,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:48:59,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:48:59,613 INFO L87 Difference]: Start difference. First operand 3208 states and 3578 transitions. Second operand 4 states. [2019-11-15 23:49:00,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:00,827 INFO L93 Difference]: Finished difference Result 7668 states and 8599 transitions. [2019-11-15 23:49:00,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:49:00,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 417 [2019-11-15 23:49:00,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:00,851 INFO L225 Difference]: With dead ends: 7668 [2019-11-15 23:49:00,852 INFO L226 Difference]: Without dead ends: 4454 [2019-11-15 23:49:00,856 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 416 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:49:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-11-15 23:49:00,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4098. [2019-11-15 23:49:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2019-11-15 23:49:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4544 transitions. [2019-11-15 23:49:00,956 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4544 transitions. Word has length 417 [2019-11-15 23:49:00,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:00,957 INFO L462 AbstractCegarLoop]: Abstraction has 4098 states and 4544 transitions. [2019-11-15 23:49:00,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:49:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4544 transitions. [2019-11-15 23:49:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-11-15 23:49:00,969 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:00,969 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:49:01,173 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:01,173 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:01,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:01,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1492463541, now seen corresponding path program 1 times [2019-11-15 23:49:01,174 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:01,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121970334] [2019-11-15 23:49:01,175 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:01,175 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:01,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 443 proven. 65 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-11-15 23:49:01,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121970334] [2019-11-15 23:49:01,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27613092] [2019-11-15 23:49:01,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:49:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:01,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:49:01,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2019-11-15 23:49:02,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:49:02,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:49:02,023 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533618526] [2019-11-15 23:49:02,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:49:02,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:02,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:49:02,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:02,025 INFO L87 Difference]: Start difference. First operand 4098 states and 4544 transitions. Second operand 3 states. [2019-11-15 23:49:02,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:02,652 INFO L93 Difference]: Finished difference Result 8016 states and 8907 transitions. [2019-11-15 23:49:02,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:49:02,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 429 [2019-11-15 23:49:02,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:02,673 INFO L225 Difference]: With dead ends: 8016 [2019-11-15 23:49:02,673 INFO L226 Difference]: Without dead ends: 3742 [2019-11-15 23:49:02,678 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-15 23:49:02,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2852. [2019-11-15 23:49:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-15 23:49:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3063 transitions. [2019-11-15 23:49:02,743 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3063 transitions. Word has length 429 [2019-11-15 23:49:02,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:02,744 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3063 transitions. [2019-11-15 23:49:02,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:49:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3063 transitions. [2019-11-15 23:49:02,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-11-15 23:49:02,755 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:02,756 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:49:02,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:02,959 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:02,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:02,960 INFO L82 PathProgramCache]: Analyzing trace with hash 838146228, now seen corresponding path program 1 times [2019-11-15 23:49:02,960 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:02,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517092765] [2019-11-15 23:49:02,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:02,961 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:02,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 458 proven. 65 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-11-15 23:49:03,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517092765] [2019-11-15 23:49:03,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748155012] [2019-11-15 23:49:03,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:49:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:03,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:49:03,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-11-15 23:49:03,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:49:03,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:49:03,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053532669] [2019-11-15 23:49:03,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:49:03,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:03,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:49:03,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:03,957 INFO L87 Difference]: Start difference. First operand 2852 states and 3063 transitions. Second operand 3 states. [2019-11-15 23:49:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:04,489 INFO L93 Difference]: Finished difference Result 3210 states and 3431 transitions. [2019-11-15 23:49:04,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:49:04,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 477 [2019-11-15 23:49:04,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:04,503 INFO L225 Difference]: With dead ends: 3210 [2019-11-15 23:49:04,504 INFO L226 Difference]: Without dead ends: 3208 [2019-11-15 23:49:04,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 476 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-15 23:49:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2019-11-15 23:49:04,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-15 23:49:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3063 transitions. [2019-11-15 23:49:04,561 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3063 transitions. Word has length 477 [2019-11-15 23:49:04,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:04,562 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3063 transitions. [2019-11-15 23:49:04,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:49:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3063 transitions. [2019-11-15 23:49:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2019-11-15 23:49:04,574 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:04,575 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:49:04,778 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:04,778 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:04,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1796043308, now seen corresponding path program 1 times [2019-11-15 23:49:04,778 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:04,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888204547] [2019-11-15 23:49:04,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:04,779 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:04,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 458 proven. 65 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-11-15 23:49:05,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888204547] [2019-11-15 23:49:05,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479902940] [2019-11-15 23:49:05,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:49:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:05,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:49:05,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-11-15 23:49:05,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:49:05,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2019-11-15 23:49:05,880 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352796642] [2019-11-15 23:49:05,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:49:05,881 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:05,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:49:05,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:49:05,883 INFO L87 Difference]: Start difference. First operand 2852 states and 3063 transitions. Second operand 7 states. [2019-11-15 23:49:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:06,775 INFO L93 Difference]: Finished difference Result 5574 states and 5994 transitions. [2019-11-15 23:49:06,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:49:06,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 486 [2019-11-15 23:49:06,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:06,789 INFO L225 Difference]: With dead ends: 5574 [2019-11-15 23:49:06,789 INFO L226 Difference]: Without dead ends: 3030 [2019-11-15 23:49:06,793 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 481 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:49:06,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-15 23:49:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2019-11-15 23:49:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-15 23:49:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3020 transitions. [2019-11-15 23:49:06,855 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3020 transitions. Word has length 486 [2019-11-15 23:49:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:06,856 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3020 transitions. [2019-11-15 23:49:06,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:49:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3020 transitions. [2019-11-15 23:49:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2019-11-15 23:49:06,877 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:06,878 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-11-15 23:49:07,081 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:07,082 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:07,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:07,082 INFO L82 PathProgramCache]: Analyzing trace with hash 23281686, now seen corresponding path program 1 times [2019-11-15 23:49:07,082 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:07,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132350909] [2019-11-15 23:49:07,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:07,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:07,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 825 proven. 4 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-11-15 23:49:08,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132350909] [2019-11-15 23:49:08,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293930606] [2019-11-15 23:49:08,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/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 [2019-11-15 23:49:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:08,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:49:08,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:08,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:49:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 806 proven. 23 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2019-11-15 23:49:08,910 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:49:08,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-11-15 23:49:08,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820750452] [2019-11-15 23:49:08,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:49:08,916 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:08,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:49:08,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:08,917 INFO L87 Difference]: Start difference. First operand 2852 states and 3020 transitions. Second operand 8 states. [2019-11-15 23:49:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:10,441 INFO L93 Difference]: Finished difference Result 5560 states and 5895 transitions. [2019-11-15 23:49:10,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 23:49:10,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 688 [2019-11-15 23:49:10,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:10,458 INFO L225 Difference]: With dead ends: 5560 [2019-11-15 23:49:10,458 INFO L226 Difference]: Without dead ends: 2888 [2019-11-15 23:49:10,461 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:49:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2019-11-15 23:49:10,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2674. [2019-11-15 23:49:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-15 23:49:10,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2836 transitions. [2019-11-15 23:49:10,519 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2836 transitions. Word has length 688 [2019-11-15 23:49:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:10,520 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2836 transitions. [2019-11-15 23:49:10,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:49:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2836 transitions. [2019-11-15 23:49:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2019-11-15 23:49:10,530 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:10,532 INFO L380 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:49:10,744 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:10,745 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:10,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1141387390, now seen corresponding path program 1 times [2019-11-15 23:49:10,745 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:10,746 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185446825] [2019-11-15 23:49:10,746 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,746 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:10,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2514 backedges. 1741 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2019-11-15 23:49:12,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185446825] [2019-11-15 23:49:12,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:49:12,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:49:12,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863532530] [2019-11-15 23:49:12,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:49:12,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:49:12,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:49:12,455 INFO L87 Difference]: Start difference. First operand 2674 states and 2836 transitions. Second operand 8 states. [2019-11-15 23:49:13,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:13,442 INFO L93 Difference]: Finished difference Result 5174 states and 5497 transitions. [2019-11-15 23:49:13,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:49:13,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 906 [2019-11-15 23:49:13,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:13,454 INFO L225 Difference]: With dead ends: 5174 [2019-11-15 23:49:13,454 INFO L226 Difference]: Without dead ends: 2680 [2019-11-15 23:49:13,457 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:49:13,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2019-11-15 23:49:13,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2674. [2019-11-15 23:49:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-11-15 23:49:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2831 transitions. [2019-11-15 23:49:13,493 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2831 transitions. Word has length 906 [2019-11-15 23:49:13,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:13,494 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 2831 transitions. [2019-11-15 23:49:13,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:49:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2831 transitions. [2019-11-15 23:49:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2019-11-15 23:49:13,505 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:49:13,505 INFO L380 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, 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, 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, 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] [2019-11-15 23:49:13,506 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:49:13,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:49:13,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1439738851, now seen corresponding path program 1 times [2019-11-15 23:49:13,507 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:49:13,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593938624] [2019-11-15 23:49:13,507 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:13,507 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:49:13,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:49:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2019-11-15 23:49:14,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593938624] [2019-11-15 23:49:14,681 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315902977] [2019-11-15 23:49:14,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:49:14,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 23:49:14,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:49:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2019-11-15 23:49:15,320 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 23:49:15,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2019-11-15 23:49:15,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972935030] [2019-11-15 23:49:15,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:49:15,322 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:49:15,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:49:15,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:49:15,323 INFO L87 Difference]: Start difference. First operand 2674 states and 2831 transitions. Second operand 5 states. [2019-11-15 23:49:16,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:49:16,309 INFO L93 Difference]: Finished difference Result 6056 states and 6417 transitions. [2019-11-15 23:49:16,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:49:16,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 932 [2019-11-15 23:49:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:49:16,310 INFO L225 Difference]: With dead ends: 6056 [2019-11-15 23:49:16,310 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:49:16,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:49:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:49:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:49:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:49:16,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:49:16,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 932 [2019-11-15 23:49:16,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:49:16,316 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:49:16,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:49:16,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:49:16,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:49:16,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:49:16,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:49:17,045 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2019-11-15 23:49:17,355 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,357 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-15 23:49:17,358 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 23:49:17,359 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,360 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,361 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,362 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,363 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,364 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-15 23:49:17,365 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-15 23:49:17,366 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:49:17,367 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-15 23:49:17,368 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-15 23:49:17,369 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2019-11-15 23:49:17,370 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-15 23:49:17,370 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-15 23:49:17,370 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-15 23:49:17,372 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,372 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,372 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-15 23:49:17,372 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-15 23:49:17,373 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-15 23:49:17,374 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-15 23:49:17,375 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-15 23:49:17,375 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,375 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,375 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse2 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and (not (= 5 ULTIMATE.start_calculate_output_~input)) (= 8 ~a15~0) .cse0 (<= ~a12~0 11)) (and (not (= ~a21~0 9)) .cse0) (and (<= ~a12~0 80) .cse1 .cse0) (and .cse2 .cse0 (<= 9 ~a15~0)) (or (and .cse1 (<= (+ ~a12~0 49) 0)) (and .cse0 (and .cse1 (<= 6 ~a15~0)))) (and (<= ~a12~0 76) .cse2 .cse0))) [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-15 23:49:17,376 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-15 23:49:17,377 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,378 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-15 23:49:17,379 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,380 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,380 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 23:49:17,380 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,380 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-15 23:49:17,380 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a15~0 7)) (.cse2 (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0))) (.cse0 (= ~a24~0 1))) (or (and (not (= 5 ULTIMATE.start_calculate_output_~input)) (= 8 ~a15~0) .cse0 (<= ~a12~0 11)) (and (not (= ~a21~0 9)) .cse0) (and (<= ~a12~0 80) .cse1 .cse0) (and .cse2 .cse0 (<= 9 ~a15~0)) (or (and .cse1 (<= (+ ~a12~0 49) 0)) (and .cse0 (and .cse1 (<= 6 ~a15~0)))) (and (<= ~a12~0 76) .cse2 .cse0))) [2019-11-15 23:49:17,380 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-15 23:49:17,381 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 23:49:17,382 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-15 23:49:17,383 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 23:49:17,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,385 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-15 23:49:17,386 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 23:49:17,387 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 23:49:17,388 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 23:49:17,388 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-15 23:49:17,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:49:17 BoogieIcfgContainer [2019-11-15 23:49:17,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:49:17,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:49:17,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:49:17,406 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:49:17,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:48:49" (3/4) ... [2019-11-15 23:49:17,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:49:17,433 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:49:17,434 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:49:17,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2534156-9be1-4a6b-aca4-7bf10cf147be/bin/uautomizer/witness.graphml [2019-11-15 23:49:17,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:49:17,632 INFO L168 Benchmark]: Toolchain (without parser) took 30266.54 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 940.7 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2019-11-15 23:49:17,633 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:49:17,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:17,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.35 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. [2019-11-15 23:49:17,634 INFO L168 Benchmark]: Boogie Preprocessor took 104.56 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. [2019-11-15 23:49:17,634 INFO L168 Benchmark]: RCFGBuilder took 1404.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.5 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:17,635 INFO L168 Benchmark]: TraceAbstraction took 27595.73 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 972.5 MB in the beginning and 859.8 MB in the end (delta: 112.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-11-15 23:49:17,635 INFO L168 Benchmark]: Witness Printer took 224.78 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 264.2 MB). Free memory was 859.8 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:49:17,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 808.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.35 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 104.56 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 1404.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.5 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27595.73 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 972.5 MB in the beginning and 859.8 MB in the end (delta: 112.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 224.78 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 264.2 MB). Free memory was 859.8 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: 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: (((((((!(5 == input) && 8 == a15) && a24 == 1) && a12 <= 11) || (!(a21 == 9) && a24 == 1)) || ((a12 <= 80 && a15 <= 7) && a24 == 1)) || (((a12 + 43 <= 0 || 11 < a12) && a24 == 1) && 9 <= a15)) || (a15 <= 7 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 7 && 6 <= a15)) || ((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((!(5 == input) && 8 == a15) && a24 == 1) && a12 <= 11) || (!(a21 == 9) && a24 == 1)) || ((a12 <= 80 && a15 <= 7) && a24 == 1)) || (((a12 + 43 <= 0 || 11 < a12) && a24 == 1) && 9 <= a15)) || (a15 <= 7 && a12 + 49 <= 0) || (a24 == 1 && a15 <= 7 && 6 <= a15)) || ((a12 <= 76 && (a12 + 43 <= 0 || 11 < a12)) && a24 == 1) - 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: 27.5s, OverallIterations: 12, TraceHistogramMax: 8, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 838 SDtfs, 2863 SDslu, 149 SDs, 0 SdLazy, 10051 SolverSat, 1161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4079 GetRequests, 4005 SyntacticMatches, 9 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2356 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 173 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12610 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1544 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 9316 NumberOfCodeBlocks, 9316 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 9296 ConstructedInterpolants, 0 QuantifiedInterpolants, 19525168 SizeOfPredicates, 17 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 16681/17347 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...