./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:38:59,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:38:59,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:38:59,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:38:59,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:38:59,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:38:59,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:38:59,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:38:59,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:38:59,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:38:59,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:38:59,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:38:59,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:38:59,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:38:59,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:38:59,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:38:59,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:38:59,508 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:38:59,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:38:59,510 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:38:59,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:38:59,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:38:59,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:38:59,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:38:59,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:38:59,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:38:59,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:38:59,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:38:59,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:38:59,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:38:59,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:38:59,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:38:59,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:38:59,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:38:59,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:38:59,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:38:59,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:38:59,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:38:59,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:38:59,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:38:59,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:38:59,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:38:59,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:38:59,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:38:59,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:38:59,527 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:38:59,527 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-12-09 01:38:59,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:38:59,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:38:59,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:38:59,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:38:59,559 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:38:59,559 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-12-09 01:38:59,606 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/data/b3b2478da/85a186e64a614e529ec7dff83191092e/FLAG6e11bec2c [2018-12-09 01:39:00,043 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:39:00,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-12-09 01:39:00,052 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/data/b3b2478da/85a186e64a614e529ec7dff83191092e/FLAG6e11bec2c [2018-12-09 01:39:00,061 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/data/b3b2478da/85a186e64a614e529ec7dff83191092e [2018-12-09 01:39:00,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:39:00,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:39:00,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:39:00,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:39:00,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:39:00,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@870cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00, skipping insertion in model container [2018-12-09 01:39:00,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:39:00,110 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:39:00,327 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:39:00,330 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:39:00,425 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:39:00,435 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:39:00,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00 WrapperNode [2018-12-09 01:39:00,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:39:00,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:39:00,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:39:00,436 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:39:00,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:39:00,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:39:00,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:39:00,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:39:00,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... [2018-12-09 01:39:00,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:39:00,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:39:00,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:39:00,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:39:00,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/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 [2018-12-09 01:39:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:39:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:39:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 01:39:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 01:39:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:39:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:39:00,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:39:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:39:01,291 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:39:01,291 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 01:39:01,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:39:01 BoogieIcfgContainer [2018-12-09 01:39:01,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:39:01,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:39:01,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:39:01,295 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:39:01,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:39:00" (1/3) ... [2018-12-09 01:39:01,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e689d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:39:01, skipping insertion in model container [2018-12-09 01:39:01,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:39:00" (2/3) ... [2018-12-09 01:39:01,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e689d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:39:01, skipping insertion in model container [2018-12-09 01:39:01,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:39:01" (3/3) ... [2018-12-09 01:39:01,298 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-12-09 01:39:01,306 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:39:01,313 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:39:01,326 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:39:01,353 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:39:01,354 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:39:01,354 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:39:01,354 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:39:01,354 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:39:01,354 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:39:01,355 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:39:01,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:39:01,355 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:39:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 01:39:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 01:39:01,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:01,378 INFO L402 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] [2018-12-09 01:39:01,380 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:01,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:01,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1020079963, now seen corresponding path program 1 times [2018-12-09 01:39:01,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:01,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:01,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:01,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:01,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:01,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:39:01,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:39:01,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:39:01,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:39:01,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:01,548 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-09 01:39:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:02,484 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-12-09 01:39:02,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:39:02,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-12-09 01:39:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:02,495 INFO L225 Difference]: With dead ends: 890 [2018-12-09 01:39:02,495 INFO L226 Difference]: Without dead ends: 554 [2018-12-09 01:39:02,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-09 01:39:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 372. [2018-12-09 01:39:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 01:39:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2018-12-09 01:39:02,539 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 42 [2018-12-09 01:39:02,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:02,539 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2018-12-09 01:39:02,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:39:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2018-12-09 01:39:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 01:39:02,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:02,543 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:02,543 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:02,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 2050989129, now seen corresponding path program 1 times [2018-12-09 01:39:02,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:02,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:02,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:02,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:02,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:02,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:39:02,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:39:02,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:39:02,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:39:02,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:02,639 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 4 states. [2018-12-09 01:39:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:03,325 INFO L93 Difference]: Finished difference Result 1466 states and 2091 transitions. [2018-12-09 01:39:03,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:39:03,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2018-12-09 01:39:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:03,328 INFO L225 Difference]: With dead ends: 1466 [2018-12-09 01:39:03,328 INFO L226 Difference]: Without dead ends: 736 [2018-12-09 01:39:03,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-12-09 01:39:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2018-12-09 01:39:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 01:39:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 809 transitions. [2018-12-09 01:39:03,344 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 809 transitions. Word has length 125 [2018-12-09 01:39:03,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:03,344 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 809 transitions. [2018-12-09 01:39:03,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:39:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 809 transitions. [2018-12-09 01:39:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 01:39:03,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:03,346 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:03,346 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:03,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:03,346 INFO L82 PathProgramCache]: Analyzing trace with hash 488627185, now seen corresponding path program 1 times [2018-12-09 01:39:03,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:03,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:03,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:03,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:03,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:03,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:39:03,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:39:03,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:39:03,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:39:03,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:03,417 INFO L87 Difference]: Start difference. First operand 554 states and 809 transitions. Second operand 4 states. [2018-12-09 01:39:04,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:04,115 INFO L93 Difference]: Finished difference Result 2194 states and 3264 transitions. [2018-12-09 01:39:04,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:39:04,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-12-09 01:39:04,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:04,119 INFO L225 Difference]: With dead ends: 2194 [2018-12-09 01:39:04,119 INFO L226 Difference]: Without dead ends: 1646 [2018-12-09 01:39:04,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:39:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-09 01:39:04,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2018-12-09 01:39:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-12-09 01:39:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2286 transitions. [2018-12-09 01:39:04,149 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2286 transitions. Word has length 137 [2018-12-09 01:39:04,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:04,150 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2286 transitions. [2018-12-09 01:39:04,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:39:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2286 transitions. [2018-12-09 01:39:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 01:39:04,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:04,154 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:39:04,154 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:04,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:04,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1957605909, now seen corresponding path program 1 times [2018-12-09 01:39:04,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:04,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:04,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:04,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:04,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:04,256 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:04,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:04,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:04,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:04,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-09 01:39:04,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:39:04,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:39:04,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:39:04,406 INFO L87 Difference]: Start difference. First operand 1646 states and 2286 transitions. Second operand 9 states. [2018-12-09 01:39:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:05,942 INFO L93 Difference]: Finished difference Result 4888 states and 7260 transitions. [2018-12-09 01:39:05,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 01:39:05,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 256 [2018-12-09 01:39:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:05,957 INFO L225 Difference]: With dead ends: 4888 [2018-12-09 01:39:05,957 INFO L226 Difference]: Without dead ends: 2864 [2018-12-09 01:39:05,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-12-09 01:39:05,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2018-12-09 01:39:06,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2070. [2018-12-09 01:39:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2018-12-09 01:39:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2700 transitions. [2018-12-09 01:39:06,024 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2700 transitions. Word has length 256 [2018-12-09 01:39:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:06,025 INFO L480 AbstractCegarLoop]: Abstraction has 2070 states and 2700 transitions. [2018-12-09 01:39:06,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:39:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2700 transitions. [2018-12-09 01:39:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 01:39:06,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:06,029 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:39:06,029 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:06,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1276185383, now seen corresponding path program 1 times [2018-12-09 01:39:06,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:06,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:06,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:06,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:06,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 71 proven. 41 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 01:39:06,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:06,168 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:06,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:06,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 177 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:06,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:06,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-09 01:39:06,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:39:06,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:39:06,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:39:06,310 INFO L87 Difference]: Start difference. First operand 2070 states and 2700 transitions. Second operand 9 states. [2018-12-09 01:39:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:06,940 INFO L93 Difference]: Finished difference Result 3932 states and 5191 transitions. [2018-12-09 01:39:06,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:39:06,941 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2018-12-09 01:39:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:06,946 INFO L225 Difference]: With dead ends: 3932 [2018-12-09 01:39:06,946 INFO L226 Difference]: Without dead ends: 2066 [2018-12-09 01:39:06,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 271 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:39:06,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2018-12-09 01:39:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2040. [2018-12-09 01:39:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2018-12-09 01:39:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2567 transitions. [2018-12-09 01:39:06,979 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2567 transitions. Word has length 270 [2018-12-09 01:39:06,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:06,980 INFO L480 AbstractCegarLoop]: Abstraction has 2040 states and 2567 transitions. [2018-12-09 01:39:06,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:39:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2567 transitions. [2018-12-09 01:39:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-09 01:39:06,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:06,983 INFO L402 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:39:06,983 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:06,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:06,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1338425938, now seen corresponding path program 1 times [2018-12-09 01:39:06,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:06,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:06,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:06,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:06,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 144 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:39:07,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:07,484 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:07,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:07,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 01:39:07,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:39:07,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-12-09 01:39:07,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 01:39:07,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 01:39:07,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-09 01:39:07,629 INFO L87 Difference]: Start difference. First operand 2040 states and 2567 transitions. Second operand 15 states. [2018-12-09 01:39:12,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:12,633 INFO L93 Difference]: Finished difference Result 5068 states and 6341 transitions. [2018-12-09 01:39:12,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-09 01:39:12,634 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 273 [2018-12-09 01:39:12,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:12,639 INFO L225 Difference]: With dead ends: 5068 [2018-12-09 01:39:12,639 INFO L226 Difference]: Without dead ends: 2838 [2018-12-09 01:39:12,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 278 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=444, Invalid=1908, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 01:39:12,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2838 states. [2018-12-09 01:39:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2838 to 2438. [2018-12-09 01:39:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2438 states. [2018-12-09 01:39:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 2984 transitions. [2018-12-09 01:39:12,679 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 2984 transitions. Word has length 273 [2018-12-09 01:39:12,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:12,679 INFO L480 AbstractCegarLoop]: Abstraction has 2438 states and 2984 transitions. [2018-12-09 01:39:12,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 01:39:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2984 transitions. [2018-12-09 01:39:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 01:39:12,685 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:12,685 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:12,685 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:12,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:12,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1103855, now seen corresponding path program 1 times [2018-12-09 01:39:12,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:12,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:12,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:12,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:12,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 191 proven. 197 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:39:13,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:13,170 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:13,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:13,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 303 proven. 53 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 01:39:13,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:13,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-12-09 01:39:13,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 01:39:13,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 01:39:13,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-09 01:39:13,435 INFO L87 Difference]: Start difference. First operand 2438 states and 2984 transitions. Second operand 15 states. [2018-12-09 01:39:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:14,675 INFO L93 Difference]: Finished difference Result 4775 states and 5889 transitions. [2018-12-09 01:39:14,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 01:39:14,676 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 375 [2018-12-09 01:39:14,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:14,686 INFO L225 Difference]: With dead ends: 4775 [2018-12-09 01:39:14,686 INFO L226 Difference]: Without dead ends: 2662 [2018-12-09 01:39:14,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2018-12-09 01:39:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2018-12-09 01:39:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2438. [2018-12-09 01:39:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2438 states. [2018-12-09 01:39:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 2791 transitions. [2018-12-09 01:39:14,726 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 2791 transitions. Word has length 375 [2018-12-09 01:39:14,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:14,727 INFO L480 AbstractCegarLoop]: Abstraction has 2438 states and 2791 transitions. [2018-12-09 01:39:14,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 01:39:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2791 transitions. [2018-12-09 01:39:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 01:39:14,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:14,732 INFO L402 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:14,732 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:14,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:14,732 INFO L82 PathProgramCache]: Analyzing trace with hash 796559996, now seen corresponding path program 1 times [2018-12-09 01:39:14,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:14,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:14,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:14,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:14,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 334 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 01:39:15,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:15,209 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:15,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:15,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-09 01:39:15,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:39:15,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-12-09 01:39:15,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 01:39:15,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 01:39:15,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 01:39:15,359 INFO L87 Difference]: Start difference. First operand 2438 states and 2791 transitions. Second operand 16 states. [2018-12-09 01:39:17,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:17,534 INFO L93 Difference]: Finished difference Result 4714 states and 5432 transitions. [2018-12-09 01:39:17,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-09 01:39:17,534 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 400 [2018-12-09 01:39:17,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:17,538 INFO L225 Difference]: With dead ends: 4714 [2018-12-09 01:39:17,538 INFO L226 Difference]: Without dead ends: 2648 [2018-12-09 01:39:17,539 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 416 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=503, Invalid=1753, Unknown=0, NotChecked=0, Total=2256 [2018-12-09 01:39:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2018-12-09 01:39:17,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2448. [2018-12-09 01:39:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2448 states. [2018-12-09 01:39:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2718 transitions. [2018-12-09 01:39:17,565 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 2718 transitions. Word has length 400 [2018-12-09 01:39:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:17,565 INFO L480 AbstractCegarLoop]: Abstraction has 2448 states and 2718 transitions. [2018-12-09 01:39:17,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 01:39:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2718 transitions. [2018-12-09 01:39:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2018-12-09 01:39:17,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:17,569 INFO L402 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:17,569 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:17,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash 414053509, now seen corresponding path program 1 times [2018-12-09 01:39:17,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:17,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:17,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:17,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:17,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:17,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 411 proven. 222 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-12-09 01:39:17,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:17,905 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:17,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:17,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 626 proven. 2 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-12-09 01:39:18,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:18,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-12-09 01:39:18,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 01:39:18,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 01:39:18,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:39:18,228 INFO L87 Difference]: Start difference. First operand 2448 states and 2718 transitions. Second operand 11 states. [2018-12-09 01:39:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:19,719 INFO L93 Difference]: Finished difference Result 5638 states and 6418 transitions. [2018-12-09 01:39:19,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 01:39:19,719 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 605 [2018-12-09 01:39:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:19,725 INFO L225 Difference]: With dead ends: 5638 [2018-12-09 01:39:19,725 INFO L226 Difference]: Without dead ends: 3008 [2018-12-09 01:39:19,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 615 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2018-12-09 01:39:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2018-12-09 01:39:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 3006. [2018-12-09 01:39:19,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3006 states. [2018-12-09 01:39:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 3363 transitions. [2018-12-09 01:39:19,780 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 3363 transitions. Word has length 605 [2018-12-09 01:39:19,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:19,781 INFO L480 AbstractCegarLoop]: Abstraction has 3006 states and 3363 transitions. [2018-12-09 01:39:19,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 01:39:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3363 transitions. [2018-12-09 01:39:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-09 01:39:19,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:19,785 INFO L402 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:19,786 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:19,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:19,786 INFO L82 PathProgramCache]: Analyzing trace with hash -142539850, now seen corresponding path program 1 times [2018-12-09 01:39:19,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:19,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:19,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:19,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:19,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 527 proven. 119 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-12-09 01:39:20,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:20,112 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:20,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:20,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 934 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-12-09 01:39:20,376 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:20,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-09 01:39:20,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:39:20,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:39:20,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:39:20,377 INFO L87 Difference]: Start difference. First operand 3006 states and 3363 transitions. Second operand 7 states. [2018-12-09 01:39:20,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:20,913 INFO L93 Difference]: Finished difference Result 6686 states and 8034 transitions. [2018-12-09 01:39:20,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 01:39:20,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 676 [2018-12-09 01:39:20,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:20,921 INFO L225 Difference]: With dead ends: 6686 [2018-12-09 01:39:20,921 INFO L226 Difference]: Without dead ends: 4052 [2018-12-09 01:39:20,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:39:20,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2018-12-09 01:39:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3738. [2018-12-09 01:39:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3738 states. [2018-12-09 01:39:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 4213 transitions. [2018-12-09 01:39:20,969 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 4213 transitions. Word has length 676 [2018-12-09 01:39:20,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:20,969 INFO L480 AbstractCegarLoop]: Abstraction has 3738 states and 4213 transitions. [2018-12-09 01:39:20,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:39:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4213 transitions. [2018-12-09 01:39:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-12-09 01:39:20,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:20,974 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 4, 3, 3, 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] [2018-12-09 01:39:20,975 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:20,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:20,975 INFO L82 PathProgramCache]: Analyzing trace with hash 70879184, now seen corresponding path program 1 times [2018-12-09 01:39:20,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:20,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:20,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:20,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:20,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 545 proven. 777 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-09 01:39:21,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:21,696 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:21,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:21,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1275 proven. 2 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-12-09 01:39:22,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:22,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-12-09 01:39:22,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 01:39:22,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 01:39:22,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:39:22,124 INFO L87 Difference]: Start difference. First operand 3738 states and 4213 transitions. Second operand 13 states. [2018-12-09 01:39:22,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:22,943 INFO L93 Difference]: Finished difference Result 7435 states and 8621 transitions. [2018-12-09 01:39:22,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 01:39:22,943 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 707 [2018-12-09 01:39:22,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:22,950 INFO L225 Difference]: With dead ends: 7435 [2018-12-09 01:39:22,950 INFO L226 Difference]: Without dead ends: 4020 [2018-12-09 01:39:22,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 714 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-12-09 01:39:22,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4020 states. [2018-12-09 01:39:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 3918. [2018-12-09 01:39:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3918 states. [2018-12-09 01:39:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3918 states and 4263 transitions. [2018-12-09 01:39:22,996 INFO L78 Accepts]: Start accepts. Automaton has 3918 states and 4263 transitions. Word has length 707 [2018-12-09 01:39:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:22,996 INFO L480 AbstractCegarLoop]: Abstraction has 3918 states and 4263 transitions. [2018-12-09 01:39:22,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 01:39:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 4263 transitions. [2018-12-09 01:39:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-12-09 01:39:23,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:23,001 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 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] [2018-12-09 01:39:23,002 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:23,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:23,002 INFO L82 PathProgramCache]: Analyzing trace with hash -720451524, now seen corresponding path program 1 times [2018-12-09 01:39:23,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:23,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:23,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:23,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:23,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 571 proven. 855 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-09 01:39:23,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:23,850 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:23,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:23,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 1353 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-12-09 01:39:24,170 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:24,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-12-09 01:39:24,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 01:39:24,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 01:39:24,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-12-09 01:39:24,171 INFO L87 Difference]: Start difference. First operand 3918 states and 4263 transitions. Second operand 18 states. [2018-12-09 01:39:26,197 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-12-09 01:39:26,658 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2018-12-09 01:39:26,993 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2018-12-09 01:39:28,121 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-12-09 01:39:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:28,592 INFO L93 Difference]: Finished difference Result 7482 states and 8235 transitions. [2018-12-09 01:39:28,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 01:39:28,592 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 733 [2018-12-09 01:39:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:28,598 INFO L225 Difference]: With dead ends: 7482 [2018-12-09 01:39:28,598 INFO L226 Difference]: Without dead ends: 3936 [2018-12-09 01:39:28,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=416, Invalid=1654, Unknown=0, NotChecked=0, Total=2070 [2018-12-09 01:39:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3936 states. [2018-12-09 01:39:28,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 3726. [2018-12-09 01:39:28,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3726 states. [2018-12-09 01:39:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3726 states and 4030 transitions. [2018-12-09 01:39:28,638 INFO L78 Accepts]: Start accepts. Automaton has 3726 states and 4030 transitions. Word has length 733 [2018-12-09 01:39:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:28,638 INFO L480 AbstractCegarLoop]: Abstraction has 3726 states and 4030 transitions. [2018-12-09 01:39:28,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 01:39:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3726 states and 4030 transitions. [2018-12-09 01:39:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2018-12-09 01:39:28,644 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:28,644 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:39:28,644 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:28,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:28,645 INFO L82 PathProgramCache]: Analyzing trace with hash 733851430, now seen corresponding path program 1 times [2018-12-09 01:39:28,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:28,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:28,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:28,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:28,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 771 proven. 841 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-09 01:39:30,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:30,064 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:30,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:30,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 1250 proven. 2 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2018-12-09 01:39:30,404 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:30,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-12-09 01:39:30,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 01:39:30,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 01:39:30,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-12-09 01:39:30,405 INFO L87 Difference]: Start difference. First operand 3726 states and 4030 transitions. Second operand 20 states. [2018-12-09 01:39:34,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:34,448 INFO L93 Difference]: Finished difference Result 7866 states and 8581 transitions. [2018-12-09 01:39:34,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-12-09 01:39:34,448 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 835 [2018-12-09 01:39:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:34,454 INFO L225 Difference]: With dead ends: 7866 [2018-12-09 01:39:34,454 INFO L226 Difference]: Without dead ends: 4330 [2018-12-09 01:39:34,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 879 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1682 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=834, Invalid=4716, Unknown=0, NotChecked=0, Total=5550 [2018-12-09 01:39:34,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2018-12-09 01:39:34,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4290. [2018-12-09 01:39:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4290 states. [2018-12-09 01:39:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4290 states to 4290 states and 4568 transitions. [2018-12-09 01:39:34,494 INFO L78 Accepts]: Start accepts. Automaton has 4290 states and 4568 transitions. Word has length 835 [2018-12-09 01:39:34,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:34,494 INFO L480 AbstractCegarLoop]: Abstraction has 4290 states and 4568 transitions. [2018-12-09 01:39:34,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 01:39:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4290 states and 4568 transitions. [2018-12-09 01:39:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1138 [2018-12-09 01:39:34,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:34,504 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:34,505 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:34,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:34,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1908903455, now seen corresponding path program 1 times [2018-12-09 01:39:34,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:34,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:34,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:34,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:34,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 1648 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-12-09 01:39:35,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:35,098 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:35,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:35,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3950 backedges. 2434 proven. 6 refuted. 0 times theorem prover too weak. 1510 trivial. 0 not checked. [2018-12-09 01:39:35,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:35,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-12-09 01:39:35,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:39:35,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:39:35,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:39:35,617 INFO L87 Difference]: Start difference. First operand 4290 states and 4568 transitions. Second operand 9 states. [2018-12-09 01:39:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:36,434 INFO L93 Difference]: Finished difference Result 9166 states and 9816 transitions. [2018-12-09 01:39:36,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 01:39:36,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1137 [2018-12-09 01:39:36,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:36,443 INFO L225 Difference]: With dead ends: 9166 [2018-12-09 01:39:36,443 INFO L226 Difference]: Without dead ends: 5066 [2018-12-09 01:39:36,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1148 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-12-09 01:39:36,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5066 states. [2018-12-09 01:39:36,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5066 to 4476. [2018-12-09 01:39:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4476 states. [2018-12-09 01:39:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 4757 transitions. [2018-12-09 01:39:36,504 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 4757 transitions. Word has length 1137 [2018-12-09 01:39:36,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:36,505 INFO L480 AbstractCegarLoop]: Abstraction has 4476 states and 4757 transitions. [2018-12-09 01:39:36,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:39:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 4757 transitions. [2018-12-09 01:39:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2018-12-09 01:39:36,513 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:36,513 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:39:36,513 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:36,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:36,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1213581359, now seen corresponding path program 1 times [2018-12-09 01:39:36,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:36,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:36,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:36,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:36,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 1011 proven. 1833 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2018-12-09 01:39:37,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:37,763 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:37,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:37,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 2561 proven. 2 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2018-12-09 01:39:38,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:38,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-09 01:39:38,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 01:39:38,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 01:39:38,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-12-09 01:39:38,324 INFO L87 Difference]: Start difference. First operand 4476 states and 4757 transitions. Second operand 17 states. [2018-12-09 01:39:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:40,866 INFO L93 Difference]: Finished difference Result 9015 states and 9766 transitions. [2018-12-09 01:39:40,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 01:39:40,867 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1159 [2018-12-09 01:39:40,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:40,873 INFO L225 Difference]: With dead ends: 9015 [2018-12-09 01:39:40,873 INFO L226 Difference]: Without dead ends: 4603 [2018-12-09 01:39:40,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1230 GetRequests, 1179 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=583, Invalid=2173, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 01:39:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4603 states. [2018-12-09 01:39:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4603 to 4274. [2018-12-09 01:39:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4274 states. [2018-12-09 01:39:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 4509 transitions. [2018-12-09 01:39:40,942 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 4509 transitions. Word has length 1159 [2018-12-09 01:39:40,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:40,943 INFO L480 AbstractCegarLoop]: Abstraction has 4274 states and 4509 transitions. [2018-12-09 01:39:40,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 01:39:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 4509 transitions. [2018-12-09 01:39:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1224 [2018-12-09 01:39:40,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:40,951 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-12-09 01:39:40,951 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:40,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:40,952 INFO L82 PathProgramCache]: Analyzing trace with hash 248536811, now seen corresponding path program 1 times [2018-12-09 01:39:40,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:40,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:40,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:40,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:40,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 1019 proven. 1936 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2018-12-09 01:39:42,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:42,689 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:42,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:42,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 2584 proven. 2 refuted. 0 times theorem prover too weak. 1743 trivial. 0 not checked. [2018-12-09 01:39:43,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:43,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-12-09 01:39:43,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 01:39:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 01:39:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-12-09 01:39:43,456 INFO L87 Difference]: Start difference. First operand 4274 states and 4509 transitions. Second operand 18 states. [2018-12-09 01:39:45,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:45,517 INFO L93 Difference]: Finished difference Result 8408 states and 8921 transitions. [2018-12-09 01:39:45,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 01:39:45,518 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1223 [2018-12-09 01:39:45,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:45,523 INFO L225 Difference]: With dead ends: 8408 [2018-12-09 01:39:45,523 INFO L226 Difference]: Without dead ends: 4324 [2018-12-09 01:39:45,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1290 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=440, Invalid=1630, Unknown=0, NotChecked=0, Total=2070 [2018-12-09 01:39:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2018-12-09 01:39:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 4280. [2018-12-09 01:39:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2018-12-09 01:39:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4452 transitions. [2018-12-09 01:39:45,571 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4452 transitions. Word has length 1223 [2018-12-09 01:39:45,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:45,572 INFO L480 AbstractCegarLoop]: Abstraction has 4280 states and 4452 transitions. [2018-12-09 01:39:45,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 01:39:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4452 transitions. [2018-12-09 01:39:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1573 [2018-12-09 01:39:45,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:45,583 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-12-09 01:39:45,584 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:45,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:45,584 INFO L82 PathProgramCache]: Analyzing trace with hash -74727153, now seen corresponding path program 1 times [2018-12-09 01:39:45,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:45,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:45,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:45,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:45,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 1123 proven. 3869 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2018-12-09 01:39:47,757 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:47,757 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:47,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:47,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7476 backedges. 4606 proven. 2 refuted. 0 times theorem prover too weak. 2868 trivial. 0 not checked. [2018-12-09 01:39:48,539 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:48,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-09 01:39:48,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 01:39:48,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 01:39:48,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:39:48,541 INFO L87 Difference]: Start difference. First operand 4280 states and 4452 transitions. Second operand 19 states. [2018-12-09 01:39:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:39:51,546 INFO L93 Difference]: Finished difference Result 8581 states and 9218 transitions. [2018-12-09 01:39:51,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-09 01:39:51,546 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1572 [2018-12-09 01:39:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:39:51,555 INFO L225 Difference]: With dead ends: 8581 [2018-12-09 01:39:51,555 INFO L226 Difference]: Without dead ends: 4491 [2018-12-09 01:39:51,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1655 GetRequests, 1598 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=722, Invalid=2470, Unknown=0, NotChecked=0, Total=3192 [2018-12-09 01:39:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2018-12-09 01:39:51,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4278. [2018-12-09 01:39:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4278 states. [2018-12-09 01:39:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 4428 transitions. [2018-12-09 01:39:51,618 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 4428 transitions. Word has length 1572 [2018-12-09 01:39:51,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:39:51,619 INFO L480 AbstractCegarLoop]: Abstraction has 4278 states and 4428 transitions. [2018-12-09 01:39:51,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 01:39:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 4428 transitions. [2018-12-09 01:39:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1691 [2018-12-09 01:39:51,631 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:39:51,632 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-12-09 01:39:51,632 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:39:51,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:39:51,632 INFO L82 PathProgramCache]: Analyzing trace with hash 245384140, now seen corresponding path program 1 times [2018-12-09 01:39:51,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:39:51,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:39:51,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:51,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:51,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:39:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 1915 proven. 5275 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-12-09 01:39:54,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:39:54,679 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:39:54,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:39:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:39:54,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:39:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8825 backedges. 2841 proven. 82 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-12-09 01:39:55,701 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:39:55,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-12-09 01:39:55,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-09 01:39:55,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-09 01:39:55,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-12-09 01:39:55,703 INFO L87 Difference]: Start difference. First operand 4278 states and 4428 transitions. Second operand 33 states. [2018-12-09 01:40:05,135 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2018-12-09 01:40:07,300 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2018-12-09 01:40:08,055 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2018-12-09 01:40:09,555 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2018-12-09 01:40:10,088 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-09 01:40:10,983 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2018-12-09 01:40:17,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:40:17,714 INFO L93 Difference]: Finished difference Result 9683 states and 10262 transitions. [2018-12-09 01:40:17,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-12-09 01:40:17,714 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1690 [2018-12-09 01:40:17,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:40:17,725 INFO L225 Difference]: With dead ends: 9683 [2018-12-09 01:40:17,725 INFO L226 Difference]: Without dead ends: 5031 [2018-12-09 01:40:17,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1896 GetRequests, 1738 SyntacticMatches, 2 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8904 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=3372, Invalid=21434, Unknown=0, NotChecked=0, Total=24806 [2018-12-09 01:40:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5031 states. [2018-12-09 01:40:17,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5031 to 4460. [2018-12-09 01:40:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4460 states. [2018-12-09 01:40:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4460 states and 4602 transitions. [2018-12-09 01:40:17,791 INFO L78 Accepts]: Start accepts. Automaton has 4460 states and 4602 transitions. Word has length 1690 [2018-12-09 01:40:17,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:40:17,792 INFO L480 AbstractCegarLoop]: Abstraction has 4460 states and 4602 transitions. [2018-12-09 01:40:17,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-09 01:40:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4460 states and 4602 transitions. [2018-12-09 01:40:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1943 [2018-12-09 01:40:17,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:40:17,807 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:17,808 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:40:17,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:17,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1961048688, now seen corresponding path program 1 times [2018-12-09 01:40:17,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:17,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:17,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:17,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:17,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11966 backedges. 2511 proven. 6788 refuted. 0 times theorem prover too weak. 2667 trivial. 0 not checked. [2018-12-09 01:40:21,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:40:21,208 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:40:21,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:21,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:40:23,428 WARN L180 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-12-09 01:40:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11966 backedges. 5770 proven. 12 refuted. 0 times theorem prover too weak. 6184 trivial. 0 not checked. [2018-12-09 01:40:24,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:40:24,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9] total 33 [2018-12-09 01:40:24,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-09 01:40:24,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-09 01:40:24,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=938, Unknown=1, NotChecked=0, Total=1056 [2018-12-09 01:40:24,404 INFO L87 Difference]: Start difference. First operand 4460 states and 4602 transitions. Second operand 33 states. [2018-12-09 01:40:32,930 WARN L180 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2018-12-09 01:40:38,342 WARN L180 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2018-12-09 01:40:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:40:47,774 INFO L93 Difference]: Finished difference Result 10859 states and 11505 transitions. [2018-12-09 01:40:47,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-12-09 01:40:47,774 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1942 [2018-12-09 01:40:47,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:40:47,782 INFO L225 Difference]: With dead ends: 10859 [2018-12-09 01:40:47,782 INFO L226 Difference]: Without dead ends: 5625 [2018-12-09 01:40:47,788 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2145 GetRequests, 1990 SyntacticMatches, 2 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8070 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=3359, Invalid=20508, Unknown=3, NotChecked=0, Total=23870 [2018-12-09 01:40:47,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2018-12-09 01:40:47,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 4264. [2018-12-09 01:40:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4264 states. [2018-12-09 01:40:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 4346 transitions. [2018-12-09 01:40:47,845 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 4346 transitions. Word has length 1942 [2018-12-09 01:40:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:40:47,846 INFO L480 AbstractCegarLoop]: Abstraction has 4264 states and 4346 transitions. [2018-12-09 01:40:47,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-09 01:40:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4346 transitions. [2018-12-09 01:40:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1996 [2018-12-09 01:40:47,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:40:47,861 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:47,861 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:40:47,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:47,862 INFO L82 PathProgramCache]: Analyzing trace with hash -2041365771, now seen corresponding path program 1 times [2018-12-09 01:40:47,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:47,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:47,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:47,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:47,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12134 backedges. 6694 proven. 1411 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2018-12-09 01:40:51,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:40:51,471 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:40:51,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:51,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:40:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 12134 backedges. 2119 proven. 2 refuted. 0 times theorem prover too weak. 10013 trivial. 0 not checked. [2018-12-09 01:40:52,829 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:40:52,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-12-09 01:40:52,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 01:40:52,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 01:40:52,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:40:52,831 INFO L87 Difference]: Start difference. First operand 4264 states and 4346 transitions. Second operand 19 states. [2018-12-09 01:40:55,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:40:55,818 INFO L93 Difference]: Finished difference Result 8542 states and 8734 transitions. [2018-12-09 01:40:55,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 01:40:55,819 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1995 [2018-12-09 01:40:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:40:55,828 INFO L225 Difference]: With dead ends: 8542 [2018-12-09 01:40:55,828 INFO L226 Difference]: Without dead ends: 4468 [2018-12-09 01:40:55,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2074 GetRequests, 2027 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=534, Invalid=1818, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 01:40:55,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4468 states. [2018-12-09 01:40:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 3892. [2018-12-09 01:40:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3892 states. [2018-12-09 01:40:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 3945 transitions. [2018-12-09 01:40:55,887 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 3945 transitions. Word has length 1995 [2018-12-09 01:40:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:40:55,887 INFO L480 AbstractCegarLoop]: Abstraction has 3892 states and 3945 transitions. [2018-12-09 01:40:55,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 01:40:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 3945 transitions. [2018-12-09 01:40:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2289 [2018-12-09 01:40:55,907 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:40:55,907 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 13, 13, 13, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:40:55,907 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:40:55,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:40:55,908 INFO L82 PathProgramCache]: Analyzing trace with hash -457733638, now seen corresponding path program 1 times [2018-12-09 01:40:55,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:40:55,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:40:55,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:55,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:55,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:40:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15986 backedges. 2185 proven. 5841 refuted. 0 times theorem prover too weak. 7960 trivial. 0 not checked. [2018-12-09 01:40:59,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:40:59,395 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:40:59,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:40:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:40:59,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:01,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15986 backedges. 6998 proven. 2 refuted. 0 times theorem prover too weak. 8986 trivial. 0 not checked. [2018-12-09 01:41:01,029 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:41:01,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-12-09 01:41:01,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 01:41:01,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 01:41:01,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-12-09 01:41:01,031 INFO L87 Difference]: Start difference. First operand 3892 states and 3945 transitions. Second operand 18 states. [2018-12-09 01:41:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:02,550 INFO L93 Difference]: Finished difference Result 5576 states and 5686 transitions. [2018-12-09 01:41:02,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 01:41:02,550 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2288 [2018-12-09 01:41:02,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:02,555 INFO L225 Difference]: With dead ends: 5576 [2018-12-09 01:41:02,555 INFO L226 Difference]: Without dead ends: 4009 [2018-12-09 01:41:02,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2358 GetRequests, 2316 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=443, Invalid=1449, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 01:41:02,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4009 states. [2018-12-09 01:41:02,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4009 to 3890. [2018-12-09 01:41:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2018-12-09 01:41:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 3935 transitions. [2018-12-09 01:41:02,599 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 3935 transitions. Word has length 2288 [2018-12-09 01:41:02,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:02,600 INFO L480 AbstractCegarLoop]: Abstraction has 3890 states and 3935 transitions. [2018-12-09 01:41:02,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 01:41:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 3935 transitions. [2018-12-09 01:41:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2425 [2018-12-09 01:41:02,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:41:02,622 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 14, 14, 14, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2018-12-09 01:41:02,622 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:41:02,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:41:02,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1529888679, now seen corresponding path program 1 times [2018-12-09 01:41:02,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:41:02,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:41:02,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:02,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:02,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:41:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 18021 backedges. 2268 proven. 9214 refuted. 0 times theorem prover too weak. 6539 trivial. 0 not checked. [2018-12-09 01:41:07,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:41:07,222 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:41:07,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:41:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:41:07,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:41:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18021 backedges. 2554 proven. 38 refuted. 0 times theorem prover too weak. 15429 trivial. 0 not checked. [2018-12-09 01:41:08,880 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:41:08,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 6] total 30 [2018-12-09 01:41:08,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-12-09 01:41:08,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-12-09 01:41:08,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2018-12-09 01:41:08,882 INFO L87 Difference]: Start difference. First operand 3890 states and 3935 transitions. Second operand 30 states. [2018-12-09 01:41:16,035 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-09 01:41:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:41:17,951 INFO L93 Difference]: Finished difference Result 4639 states and 4740 transitions. [2018-12-09 01:41:17,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-12-09 01:41:17,953 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 2424 [2018-12-09 01:41:17,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:41:17,956 INFO L225 Difference]: With dead ends: 4639 [2018-12-09 01:41:17,956 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:41:17,965 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2552 GetRequests, 2451 SyntacticMatches, 2 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2871 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1656, Invalid=8444, Unknown=0, NotChecked=0, Total=10100 [2018-12-09 01:41:17,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:41:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:41:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:41:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:41:17,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2424 [2018-12-09 01:41:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:41:17,967 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:41:17,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-12-09 01:41:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:41:17,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:41:17,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:41:18,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:18,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:19,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:19,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:19,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:19,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:20,081 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 950 DAG size of output: 810 [2018-12-09 01:41:20,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:20,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:20,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:20,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:20,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:21,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:41:21,674 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 950 DAG size of output: 810 [2018-12-09 01:41:24,242 WARN L180 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 511 DAG size of output: 153 [2018-12-09 01:41:32,143 WARN L180 SmtUtils]: Spent 7.89 s on a formula simplification. DAG size of input: 787 DAG size of output: 144 [2018-12-09 01:41:43,496 WARN L180 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 787 DAG size of output: 144 [2018-12-09 01:41:43,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:41:43,498 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-09 01:41:43,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:41:43,498 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 01:41:43,498 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 01:41:43,498 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,499 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 01:41:43,500 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 01:41:43,501 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse34 (= 7 |old(~a15~0)|)) (.cse4 (= 7 |old(~a21~0)|)) (.cse23 (< 0 (+ |old(~a12~0)| 43)))) (let ((.cse3 (= 6 |old(~a21~0)|)) (.cse26 (= |old(~a15~0)| ~a15~0)) (.cse10 (not (= 8 |old(~a21~0)|))) (.cse9 (not (= 9 |old(~a15~0)|))) (.cse1 (< |old(~a12~0)| 19)) (.cse16 (= 9 ~a15~0)) (.cse14 (= 1 ~a24~0)) (.cse24 (= 8 ~a15~0)) (.cse6 (not (= 1 |old(~a24~0)|))) (.cse27 (let ((.cse36 (< 7 |old(~a15~0)|))) (and (or .cse34 .cse36) (or .cse4 .cse36 .cse23)))) (.cse13 (= ~a12~0 |old(~a12~0)|)) (.cse20 (= 7 ~a15~0)) (.cse25 (not (= 7 ~a21~0))) (.cse22 (<= (+ ~a12~0 43) 0)) (.cse33 (= ~a24~0 |old(~a24~0)|)) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse19 (= ~a15~0 |old(~a15~0)|)) (.cse29 (= 10 |old(~a21~0)|))) (let ((.cse0 (not (= 6 |old(~a15~0)|))) (.cse15 (= 10 ~a21~0)) (.cse12 (not .cse29)) (.cse31 (and (and .cse13 (let ((.cse35 (<= ~a15~0 7))) (or (and .cse35 (not .cse20)) (and .cse25 .cse35 .cse22)))) .cse33 .cse18 .cse19)) (.cse30 (or .cse6 .cse27)) (.cse2 (and .cse13 .cse18 .cse14 .cse24)) (.cse5 (not (= 8 |old(~a15~0)|))) (.cse11 (< 11 |old(~a12~0)|)) (.cse7 (and .cse13 .cse18 .cse14 .cse16)) (.cse17 (and .cse13 .cse33)) (.cse32 (and (or .cse9 .cse1 .cse6 .cse10) (or .cse9 (not .cse4) .cse1 .cse6))) (.cse21 (not .cse34)) (.cse28 (and (<= ~a12~0 |old(~a12~0)|) .cse33 .cse18 .cse26)) (.cse8 (not .cse3))) (and (or .cse0 (= 6 ~a15~0)) (or .cse1 .cse2 (or .cse3 (< 76 |old(~a12~0)|) .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9 (< 95442 |old(~a12~0)|) .cse6 (< |old(~a12~0)| 95381)) (or .cse8 .cse2 .cse6 .cse5 (< |old(~a12~0)| 286349)) (or .cse7 .cse10 .cse9 .cse6 .cse11) (or .cse9 .cse12 (and .cse13 .cse14 .cse15 .cse16) .cse6 .cse11) (or (and .cse17 .cse18 .cse19) (or .cse9 .cse12 (< |old(~a12~0)| 81) .cse6)) (or (< 0 (+ |old(~a12~0)| 460226)) (and .cse13 .cse18 .cse20 .cse14) (or .cse6 .cse21)) (or .cse8 .cse21 (= ~a21~0 6)) (or .cse22 .cse0 .cse23) (or .cse12 .cse1 (and .cse13 .cse14 .cse24 .cse15) .cse6 .cse5) (or .cse2 .cse1 .cse5 .cse10 .cse6 (< 73282 |old(~a12~0)|)) (or (and .cse25 .cse26) .cse4 .cse21) (or .cse27 (< 0 (+ |old(~a12~0)| 49)) .cse28) (or .cse27 .cse3 (and .cse18 (and .cse17 .cse19)) .cse29) (or .cse12 .cse30 .cse31) (or (not (= 5 |old(~a15~0)|)) .cse31 .cse30) (or .cse2 (or .cse5 .cse3 .cse11) .cse6) (or (and .cse18 .cse19) .cse32) (or .cse9 .cse1 .cse6 (not (= |old(~a15~0)| |old(~a21~0)|)) .cse7) (or .cse17 .cse32) (or .cse21 (< 0 (+ |old(~a12~0)| 546051)) .cse28) (or .cse8 (and .cse33 .cse18 (and .cse13 .cse26)) .cse27 .cse23))))) [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 01:41:43,502 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 01:41:43,503 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 01:41:43,504 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,505 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 01:41:43,506 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 01:41:43,507 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-12-09 01:41:43,508 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 01:41:43,508 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse9 (= 7 ~a21~0))) (let ((.cse1 (= 7 ~a15~0)) (.cse0 (not .cse9)) (.cse13 (<= (+ ~a12~0 43) 0))) (let ((.cse21 (let ((.cse23 (<= ~a15~0 7))) (or (and .cse23 (not .cse1)) (and .cse0 .cse23 .cse13)))) (.cse22 (not (= 7 |old(~a21~0)|))) (.cse16 (not (= 1 |old(~a24~0)|)))) (let ((.cse3 (and .cse21 (or .cse22 .cse16 (not (= |old(~a15~0)| 9))))) (.cse20 (< 80 ~a12~0))) (let ((.cse12 (or .cse20 (= ~a21~0 |old(~a21~0)|))) (.cse18 (= 8 ~a21~0)) (.cse14 (and .cse3 (or (and .cse22 (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)))) (.cse4 (not (= 6 ~a21~0))) (.cse2 (= 10 ~a21~0)) (.cse17 (<= ~a12~0 11)) (.cse15 (= ~a21~0 10)) (.cse11 (= ~a21~0 8)) (.cse8 (= 1 ~a24~0)) (.cse7 (= 9 ~a15~0)) (.cse10 (<= 19 ~a12~0)) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse5 (= ~a21~0 6)) (.cse19 (= 8 ~a15~0))) (or (and .cse0 .cse1) (and (not .cse2) .cse3 .cse4) (and (and (<= 95381 ~a12~0) (and .cse5 .cse6)) (<= ~a12~0 95442) .cse7) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse8 (and .cse9 .cse7)) .cse10) (and .cse6 (and (and (<= ~a12~0 73282) .cse11) .cse12) (= |old(~a15~0)| ~a15~0)) (and .cse13 .cse14 (not .cse15)) (and .cse6 (= 5 ~a15~0)) (and (and .cse12 (and (= ~a15~0 ~a21~0) .cse8)) .cse7) .cse16 (and (<= (+ ~a12~0 460226) 0) (and .cse8 .cse1)) (not (= 8 |old(~a15~0)|)) (and (and .cse17 .cse18 .cse8) .cse7) (and (and .cse8 (and .cse19 .cse2)) .cse10) (= 6 ~a15~0) (and .cse1 (<= (+ ~a12~0 546051) 0)) (and .cse12 (and .cse18 .cse8) (= ~a15~0 9)) (< 7 |old(~a21~0)|) (and .cse15 (and .cse8 .cse14)) (and (and (<= ~a12~0 76) (and (and .cse0 (<= ~a15~0 8)) .cse4)) .cse6 .cse10) (< |old(~a21~0)| 7) (and (and (and .cse17 .cse4) .cse19) .cse8) (and (and .cse8 .cse20) .cse2 .cse7) (and (and .cse17 .cse15) .cse6 .cse7) (and (and .cse11 (<= ~a12~0 72)) .cse8 .cse7 .cse10) (and (<= 286349 ~a12~0) .cse6 (and .cse5 .cse19)) (and .cse21 (<= (+ ~a12~0 49) 0)))))))) [2018-12-09 01:41:43,508 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 01:41:43,509 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 01:41:43,509 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse9 (= 7 ~a21~0))) (let ((.cse1 (= 7 ~a15~0)) (.cse0 (not .cse9)) (.cse13 (<= (+ ~a12~0 43) 0))) (let ((.cse21 (let ((.cse23 (<= ~a15~0 7))) (or (and .cse23 (not .cse1)) (and .cse0 .cse23 .cse13)))) (.cse22 (not (= 7 |old(~a21~0)|))) (.cse16 (not (= 1 |old(~a24~0)|)))) (let ((.cse3 (and .cse21 (or .cse22 .cse16 (not (= |old(~a15~0)| 9))))) (.cse20 (< 80 ~a12~0))) (let ((.cse12 (or .cse20 (= ~a21~0 |old(~a21~0)|))) (.cse18 (= 8 ~a21~0)) (.cse14 (and .cse3 (or (and .cse22 (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)))) (.cse4 (not (= 6 ~a21~0))) (.cse2 (= 10 ~a21~0)) (.cse17 (<= ~a12~0 11)) (.cse15 (= ~a21~0 10)) (.cse11 (= ~a21~0 8)) (.cse8 (= 1 ~a24~0)) (.cse7 (= 9 ~a15~0)) (.cse10 (<= 19 ~a12~0)) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse5 (= ~a21~0 6)) (.cse19 (= 8 ~a15~0))) (or (and .cse0 .cse1) (and (not .cse2) .cse3 .cse4) (and (and (<= 95381 ~a12~0) (and .cse5 .cse6)) (<= ~a12~0 95442) .cse7) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse8 (and .cse9 .cse7)) .cse10) (and .cse6 (and (and (<= ~a12~0 73282) .cse11) .cse12) (= |old(~a15~0)| ~a15~0)) (and .cse13 .cse14 (not .cse15)) (and .cse6 (= 5 ~a15~0)) (and (and .cse12 (and (= ~a15~0 ~a21~0) .cse8)) .cse7) .cse16 (and (<= (+ ~a12~0 460226) 0) (and .cse8 .cse1)) (not (= 8 |old(~a15~0)|)) (and (and .cse17 .cse18 .cse8) .cse7) (and (and .cse8 (and .cse19 .cse2)) .cse10) (= 6 ~a15~0) (and .cse1 (<= (+ ~a12~0 546051) 0)) (and .cse12 (and .cse18 .cse8) (= ~a15~0 9)) (< 7 |old(~a21~0)|) (and .cse15 (and .cse8 .cse14)) (and (and (<= ~a12~0 76) (and (and .cse0 (<= ~a15~0 8)) .cse4)) .cse6 .cse10) (< |old(~a21~0)| 7) (and (and (and .cse17 .cse4) .cse19) .cse8) (and (and .cse8 .cse20) .cse2 .cse7) (and (and .cse17 .cse15) .cse6 .cse7) (and (and .cse11 (<= ~a12~0 72)) .cse8 .cse7 .cse10) (and (<= 286349 ~a12~0) .cse6 (and .cse5 .cse19)) (and .cse21 (<= (+ ~a12~0 49) 0)))))))) [2018-12-09 01:41:43,509 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 01:41:43,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:41:43 BoogieIcfgContainer [2018-12-09 01:41:43,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:41:43,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:41:43,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:41:43,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:41:43,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:39:01" (3/4) ... [2018-12-09 01:41:43,524 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:41:43,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:41:43,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 01:41:43,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:41:43,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 01:41:43,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:41:43,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || ((!(10 == a21) && ((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21))) || (((95381 <= a12 && a21 == 6 && a24 == \old(a24)) && a12 <= 95442) && 9 == a15)) || 0 < \old(a12) + 49) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || ((a24 == \old(a24) && (a12 <= 73282 && a21 == 8) && (80 < a12 || a21 == \old(a21))) && \old(a15) == a15)) || ((a12 + 43 <= 0 && (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(a21 == 10))) || (a24 == \old(a24) && 5 == a15)) || (((80 < a12 || a21 == \old(a21)) && a15 == a21 && 1 == a24) && 9 == a15)) || !(1 == \old(a24))) || (a12 + 460226 <= 0 && 1 == a24 && 7 == a15)) || !(8 == \old(a15))) || (((a12 <= 11 && 8 == a21) && 1 == a24) && 9 == a15)) || ((1 == a24 && 8 == a15 && 10 == a21) && 19 <= a12)) || 6 == a15) || (7 == a15 && a12 + 546051 <= 0)) || (((80 < a12 || a21 == \old(a21)) && 8 == a21 && 1 == a24) && a15 == 9)) || 7 < \old(a21)) || (a21 == 10 && 1 == a24 && (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12)))) || (((a12 <= 76 && (!(7 == a21) && a15 <= 8) && !(6 == a21)) && a24 == \old(a24)) && 19 <= a12)) || \old(a21) < 7) || (((a12 <= 11 && !(6 == a21)) && 8 == a15) && 1 == a24)) || (((1 == a24 && 80 < a12) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && a21 == 10) && a24 == \old(a24)) && 9 == a15)) || ((((a21 == 8 && a12 <= 72) && 1 == a24) && 9 == a15) && 19 <= a12)) || ((286349 <= a12 && a24 == \old(a24)) && a21 == 6 && 8 == a15)) || (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && a12 + 49 <= 0) [2018-12-09 01:41:43,610 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36e01e23-eeb7-4c02-b224-0a7f2aca70f3/bin-2019/uautomizer/witness.graphml [2018-12-09 01:41:43,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:41:43,610 INFO L168 Benchmark]: Toolchain (without parser) took 163547.16 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 949.6 MB in the beginning and 987.4 MB in the end (delta: -37.8 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: Boogie Preprocessor took 57.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: RCFGBuilder took 773.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:41:43,611 INFO L168 Benchmark]: TraceAbstraction took 162228.26 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 946.7 MB in the beginning and 987.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-12-09 01:41:43,612 INFO L168 Benchmark]: Witness Printer took 89.01 ms. Allocated memory is still 4.2 GB. Free memory is still 987.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:41:43,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 773.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 946.7 MB in the end (delta: 127.5 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 162228.26 ms. Allocated memory was 1.1 GB in the beginning and 4.2 GB in the end (delta: 3.1 GB). Free memory was 946.7 MB in the beginning and 987.4 MB in the end (delta: -40.7 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 89.01 ms. Allocated memory is still 4.2 GB. Free memory is still 987.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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: ((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || ((!(10 == a21) && ((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21))) || (((95381 <= a12 && a21 == 6 && a24 == \old(a24)) && a12 <= 95442) && 9 == a15)) || 0 < \old(a12) + 49) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || ((a24 == \old(a24) && (a12 <= 73282 && a21 == 8) && (80 < a12 || a21 == \old(a21))) && \old(a15) == a15)) || ((a12 + 43 <= 0 && (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(a21 == 10))) || (a24 == \old(a24) && 5 == a15)) || (((80 < a12 || a21 == \old(a21)) && a15 == a21 && 1 == a24) && 9 == a15)) || !(1 == \old(a24))) || (a12 + 460226 <= 0 && 1 == a24 && 7 == a15)) || !(8 == \old(a15))) || (((a12 <= 11 && 8 == a21) && 1 == a24) && 9 == a15)) || ((1 == a24 && 8 == a15 && 10 == a21) && 19 <= a12)) || 6 == a15) || (7 == a15 && a12 + 546051 <= 0)) || (((80 < a12 || a21 == \old(a21)) && 8 == a21 && 1 == a24) && a15 == 9)) || 7 < \old(a21)) || (a21 == 10 && 1 == a24 && (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12)))) || (((a12 <= 76 && (!(7 == a21) && a15 <= 8) && !(6 == a21)) && a24 == \old(a24)) && 19 <= a12)) || \old(a21) < 7) || (((a12 <= 11 && !(6 == a21)) && 8 == a15) && 1 == a24)) || (((1 == a24 && 80 < a12) && 10 == a21) && 9 == a15)) || (((a12 <= 11 && a21 == 10) && a24 == \old(a24)) && 9 == a15)) || ((((a21 == 8 && a12 <= 72) && 1 == a24) && 9 == a15) && 19 <= a12)) || ((286349 <= a12 && a24 == \old(a24)) && a21 == 6 && 8 == a15)) || (((a15 <= 7 && !(7 == a15)) || ((!(7 == a21) && a15 <= 7) && a12 + 43 <= 0)) && a12 + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 162.1s OverallTime, 22 OverallIterations, 19 TraceHistogramMax, 91.8s AutomataDifference, 0.0s DeadEndRemovalTime, 25.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1335 SDtfs, 74799 SDslu, 5065 SDs, 0 SdLazy, 90403 SolverSat, 10568 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 47.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21976 GetRequests, 20954 SyntacticMatches, 30 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26804 ImplicationChecksByTransitivity, 38.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4476occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 6479 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 395 PreInvPairs, 561 NumberOfFragments, 1807 HoareAnnotationTreeSize, 395 FomulaSimplifications, 3887768405 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1535078832 FormulaSimplificationTreeSizeReductionInter, 21.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 41424 NumberOfCodeBlocks, 41424 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 41383 ConstructedInterpolants, 2 QuantifiedInterpolants, 247548557 SizeOfPredicates, 27 NumberOfNonLiveVariables, 28547 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 41 InterpolantComputations, 5 PerfectInterpolantSequences, 152943/192774 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...