./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95000caaa926e46a44fd070da2a40a84b9e2d593 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:24:23,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:24:23,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:24:23,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:24:23,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:24:23,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:24:23,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:24:23,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:24:23,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:24:23,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:24:23,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:24:23,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:24:23,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:24:23,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:24:23,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:24:23,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:24:23,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:24:23,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:24:23,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:24:23,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:24:23,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:24:23,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:24:23,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:24:23,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:24:23,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:24:23,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:24:23,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:24:23,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:24:23,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:24:23,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:24:23,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:24:23,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:24:23,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:24:23,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:24:23,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:24:23,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:24:23,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:24:23,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:24:23,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:24:23,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:24:23,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:24:23,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:24:23,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:24:23,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:24:23,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:24:23,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:24:23,550 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:24:23,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:24:23,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:24:23,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:24:23,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:24:23,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:24:23,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:24:23,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:24:23,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2019-12-07 11:24:23,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:24:23,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:24:23,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:24:23,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:24:23,675 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:24:23,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2019-12-07 11:24:23,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/data/d8964458b/c327c4f0b4cb4a859af883e81b0b7c73/FLAG5a6f33d7f [2019-12-07 11:24:24,183 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:24:24,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2019-12-07 11:24:24,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/data/d8964458b/c327c4f0b4cb4a859af883e81b0b7c73/FLAG5a6f33d7f [2019-12-07 11:24:24,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/data/d8964458b/c327c4f0b4cb4a859af883e81b0b7c73 [2019-12-07 11:24:24,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:24:24,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:24:24,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:24:24,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:24:24,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:24:24,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cd8fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24, skipping insertion in model container [2019-12-07 11:24:24,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:24:24,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:24:24,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:24:24,469 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:24:24,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:24:24,530 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:24:24,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24 WrapperNode [2019-12-07 11:24:24,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:24:24,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:24:24,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:24:24,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:24:24,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:24:24,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:24:24,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:24:24,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:24:24,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... [2019-12-07 11:24:24,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:24:24,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:24:24,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:24:24,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:24:24,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:24:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:24:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:24:25,291 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:24:25,291 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:24:25,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:24:25 BoogieIcfgContainer [2019-12-07 11:24:25,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:24:25,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:24:25,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:24:25,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:24:25,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:24:24" (1/3) ... [2019-12-07 11:24:25,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d0f5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:24:25, skipping insertion in model container [2019-12-07 11:24:25,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:24:24" (2/3) ... [2019-12-07 11:24:25,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d0f5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:24:25, skipping insertion in model container [2019-12-07 11:24:25,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:24:25" (3/3) ... [2019-12-07 11:24:25,299 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2019-12-07 11:24:25,308 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:24:25,315 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:24:25,325 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:24:25,343 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:24:25,343 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:24:25,343 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:24:25,343 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:24:25,343 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:24:25,343 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:24:25,343 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:24:25,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:24:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 11:24:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-07 11:24:25,367 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:25,368 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:25,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:25,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:25,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1378216101, now seen corresponding path program 1 times [2019-12-07 11:24:25,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:25,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23079321] [2019-12-07 11:24:25,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:25,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23079321] [2019-12-07 11:24:25,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:25,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:25,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225491677] [2019-12-07 11:24:25,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:25,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:25,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:25,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:25,690 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 11:24:26,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:26,450 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-12-07 11:24:26,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:26,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-12-07 11:24:26,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:26,463 INFO L225 Difference]: With dead ends: 775 [2019-12-07 11:24:26,463 INFO L226 Difference]: Without dead ends: 460 [2019-12-07 11:24:26,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:26,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-12-07 11:24:26,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-12-07 11:24:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-07 11:24:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-12-07 11:24:26,508 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 125 [2019-12-07 11:24:26,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:26,508 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-12-07 11:24:26,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-12-07 11:24:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-07 11:24:26,511 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:26,511 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:26,512 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:26,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:26,512 INFO L82 PathProgramCache]: Analyzing trace with hash 427040720, now seen corresponding path program 1 times [2019-12-07 11:24:26,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:26,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680726289] [2019-12-07 11:24:26,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:26,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680726289] [2019-12-07 11:24:26,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:26,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:26,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156854678] [2019-12-07 11:24:26,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:26,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:26,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:26,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:26,682 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-12-07 11:24:27,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:27,204 INFO L93 Difference]: Finished difference Result 977 states and 1474 transitions. [2019-12-07 11:24:27,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:27,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-12-07 11:24:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:27,209 INFO L225 Difference]: With dead ends: 977 [2019-12-07 11:24:27,209 INFO L226 Difference]: Without dead ends: 588 [2019-12-07 11:24:27,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:27,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-12-07 11:24:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 448. [2019-12-07 11:24:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-12-07 11:24:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 621 transitions. [2019-12-07 11:24:27,233 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 621 transitions. Word has length 129 [2019-12-07 11:24:27,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:27,234 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 621 transitions. [2019-12-07 11:24:27,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 621 transitions. [2019-12-07 11:24:27,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-07 11:24:27,237 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:27,237 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:27,237 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:27,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:27,238 INFO L82 PathProgramCache]: Analyzing trace with hash 349951226, now seen corresponding path program 1 times [2019-12-07 11:24:27,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:27,238 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331282716] [2019-12-07 11:24:27,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:27,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331282716] [2019-12-07 11:24:27,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:27,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:27,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159659419] [2019-12-07 11:24:27,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:27,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:27,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:27,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:27,303 INFO L87 Difference]: Start difference. First operand 448 states and 621 transitions. Second operand 4 states. [2019-12-07 11:24:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:27,782 INFO L93 Difference]: Finished difference Result 1753 states and 2444 transitions. [2019-12-07 11:24:27,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:27,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2019-12-07 11:24:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:27,788 INFO L225 Difference]: With dead ends: 1753 [2019-12-07 11:24:27,788 INFO L226 Difference]: Without dead ends: 1307 [2019-12-07 11:24:27,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:27,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-12-07 11:24:27,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 871. [2019-12-07 11:24:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2019-12-07 11:24:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1168 transitions. [2019-12-07 11:24:27,808 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1168 transitions. Word has length 143 [2019-12-07 11:24:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:27,808 INFO L462 AbstractCegarLoop]: Abstraction has 871 states and 1168 transitions. [2019-12-07 11:24:27,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1168 transitions. [2019-12-07 11:24:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-07 11:24:27,810 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:27,811 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:27,811 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1893011715, now seen corresponding path program 1 times [2019-12-07 11:24:27,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:27,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489971553] [2019-12-07 11:24:27,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:27,864 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 11:24:27,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489971553] [2019-12-07 11:24:27,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:27,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:27,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586096015] [2019-12-07 11:24:27,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:27,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:27,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:27,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:27,866 INFO L87 Difference]: Start difference. First operand 871 states and 1168 transitions. Second operand 4 states. [2019-12-07 11:24:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:28,436 INFO L93 Difference]: Finished difference Result 3287 states and 4394 transitions. [2019-12-07 11:24:28,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:28,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-12-07 11:24:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:28,449 INFO L225 Difference]: With dead ends: 3287 [2019-12-07 11:24:28,449 INFO L226 Difference]: Without dead ends: 2418 [2019-12-07 11:24:28,451 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:28,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2019-12-07 11:24:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2132. [2019-12-07 11:24:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-12-07 11:24:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2647 transitions. [2019-12-07 11:24:28,490 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2647 transitions. Word has length 155 [2019-12-07 11:24:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:28,490 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2647 transitions. [2019-12-07 11:24:28,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2647 transitions. [2019-12-07 11:24:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-07 11:24:28,493 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:28,493 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:28,494 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1809702189, now seen corresponding path program 1 times [2019-12-07 11:24:28,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:28,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476597297] [2019-12-07 11:24:28,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:24:28,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476597297] [2019-12-07 11:24:28,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:28,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:24:28,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945092321] [2019-12-07 11:24:28,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:28,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:28,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:28,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:28,544 INFO L87 Difference]: Start difference. First operand 2132 states and 2647 transitions. Second operand 4 states. [2019-12-07 11:24:29,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:29,118 INFO L93 Difference]: Finished difference Result 5395 states and 6742 transitions. [2019-12-07 11:24:29,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:29,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-12-07 11:24:29,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:29,135 INFO L225 Difference]: With dead ends: 5395 [2019-12-07 11:24:29,135 INFO L226 Difference]: Without dead ends: 3265 [2019-12-07 11:24:29,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:29,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2019-12-07 11:24:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 2133. [2019-12-07 11:24:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-12-07 11:24:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2588 transitions. [2019-12-07 11:24:29,189 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2588 transitions. Word has length 158 [2019-12-07 11:24:29,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:29,189 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2588 transitions. [2019-12-07 11:24:29,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2588 transitions. [2019-12-07 11:24:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-07 11:24:29,192 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:29,193 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:29,193 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:29,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:29,193 INFO L82 PathProgramCache]: Analyzing trace with hash 312992377, now seen corresponding path program 1 times [2019-12-07 11:24:29,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:29,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844019204] [2019-12-07 11:24:29,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:29,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844019204] [2019-12-07 11:24:29,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:29,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:29,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383568039] [2019-12-07 11:24:29,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:24:29,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:29,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:24:29,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:24:29,243 INFO L87 Difference]: Start difference. First operand 2133 states and 2588 transitions. Second operand 3 states. [2019-12-07 11:24:29,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:29,524 INFO L93 Difference]: Finished difference Result 4549 states and 5472 transitions. [2019-12-07 11:24:29,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:24:29,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-12-07 11:24:29,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:29,532 INFO L225 Difference]: With dead ends: 4549 [2019-12-07 11:24:29,532 INFO L226 Difference]: Without dead ends: 2278 [2019-12-07 11:24:29,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:24:29,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2019-12-07 11:24:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2133. [2019-12-07 11:24:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-12-07 11:24:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2495 transitions. [2019-12-07 11:24:29,560 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2495 transitions. Word has length 165 [2019-12-07 11:24:29,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:29,560 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2495 transitions. [2019-12-07 11:24:29,560 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:24:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2495 transitions. [2019-12-07 11:24:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-07 11:24:29,563 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:29,563 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:29,563 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:29,564 INFO L82 PathProgramCache]: Analyzing trace with hash -2122414462, now seen corresponding path program 1 times [2019-12-07 11:24:29,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:29,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868136016] [2019-12-07 11:24:29,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:24:29,603 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868136016] [2019-12-07 11:24:29,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:29,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:24:29,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651279886] [2019-12-07 11:24:29,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:24:29,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:29,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:24:29,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:24:29,604 INFO L87 Difference]: Start difference. First operand 2133 states and 2495 transitions. Second operand 3 states. [2019-12-07 11:24:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:29,879 INFO L93 Difference]: Finished difference Result 4681 states and 5436 transitions. [2019-12-07 11:24:29,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:24:29,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-12-07 11:24:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:29,886 INFO L225 Difference]: With dead ends: 4681 [2019-12-07 11:24:29,886 INFO L226 Difference]: Without dead ends: 1990 [2019-12-07 11:24:29,888 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:24:29,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2019-12-07 11:24:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1850. [2019-12-07 11:24:29,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2019-12-07 11:24:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2047 transitions. [2019-12-07 11:24:29,910 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2047 transitions. Word has length 174 [2019-12-07 11:24:29,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:29,910 INFO L462 AbstractCegarLoop]: Abstraction has 1850 states and 2047 transitions. [2019-12-07 11:24:29,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:24:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2047 transitions. [2019-12-07 11:24:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-07 11:24:29,914 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:29,914 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:29,914 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:29,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1776115291, now seen corresponding path program 1 times [2019-12-07 11:24:29,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:29,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113127961] [2019-12-07 11:24:29,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-07 11:24:30,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113127961] [2019-12-07 11:24:30,029 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744412996] [2019-12-07 11:24:30,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:24:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:30,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 11:24:30,113 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:24:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-07 11:24:30,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 11:24:30,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 11:24:30,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340885363] [2019-12-07 11:24:30,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:24:30,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:30,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:24:30,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:24:30,180 INFO L87 Difference]: Start difference. First operand 1850 states and 2047 transitions. Second operand 3 states. [2019-12-07 11:24:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:30,418 INFO L93 Difference]: Finished difference Result 3697 states and 4091 transitions. [2019-12-07 11:24:30,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:24:30,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-12-07 11:24:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:30,424 INFO L225 Difference]: With dead ends: 3697 [2019-12-07 11:24:30,424 INFO L226 Difference]: Without dead ends: 1849 [2019-12-07 11:24:30,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:24:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2019-12-07 11:24:30,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1429. [2019-12-07 11:24:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-12-07 11:24:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1533 transitions. [2019-12-07 11:24:30,444 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1533 transitions. Word has length 188 [2019-12-07 11:24:30,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:30,444 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1533 transitions. [2019-12-07 11:24:30,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:24:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1533 transitions. [2019-12-07 11:24:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-07 11:24:30,447 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:30,447 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:30,647 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:24:30,648 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:30,648 INFO L82 PathProgramCache]: Analyzing trace with hash 360926504, now seen corresponding path program 1 times [2019-12-07 11:24:30,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:30,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267986871] [2019-12-07 11:24:30,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:30,770 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:30,770 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267986871] [2019-12-07 11:24:30,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:30,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:24:30,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423512950] [2019-12-07 11:24:30,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:24:30,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:30,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:24:30,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:24:30,771 INFO L87 Difference]: Start difference. First operand 1429 states and 1533 transitions. Second operand 7 states. [2019-12-07 11:24:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:31,559 INFO L93 Difference]: Finished difference Result 3741 states and 4045 transitions. [2019-12-07 11:24:31,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:24:31,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2019-12-07 11:24:31,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:31,568 INFO L225 Difference]: With dead ends: 3741 [2019-12-07 11:24:31,568 INFO L226 Difference]: Without dead ends: 2031 [2019-12-07 11:24:31,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:24:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2019-12-07 11:24:31,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1429. [2019-12-07 11:24:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-12-07 11:24:31,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1503 transitions. [2019-12-07 11:24:31,595 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1503 transitions. Word has length 198 [2019-12-07 11:24:31,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:31,595 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1503 transitions. [2019-12-07 11:24:31,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:24:31,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1503 transitions. [2019-12-07 11:24:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-12-07 11:24:31,599 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:31,600 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:24:31,600 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:31,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1134644622, now seen corresponding path program 1 times [2019-12-07 11:24:31,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:31,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281359557] [2019-12-07 11:24:31,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:24:31,683 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281359557] [2019-12-07 11:24:31,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:31,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:24:31,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932594099] [2019-12-07 11:24:31,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:31,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:31,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:31,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:31,685 INFO L87 Difference]: Start difference. First operand 1429 states and 1503 transitions. Second operand 4 states. [2019-12-07 11:24:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:32,123 INFO L93 Difference]: Finished difference Result 3140 states and 3298 transitions. [2019-12-07 11:24:32,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:32,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2019-12-07 11:24:32,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:32,129 INFO L225 Difference]: With dead ends: 3140 [2019-12-07 11:24:32,129 INFO L226 Difference]: Without dead ends: 1573 [2019-12-07 11:24:32,130 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:32,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2019-12-07 11:24:32,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1429. [2019-12-07 11:24:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-12-07 11:24:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1489 transitions. [2019-12-07 11:24:32,145 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1489 transitions. Word has length 202 [2019-12-07 11:24:32,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:32,145 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1489 transitions. [2019-12-07 11:24:32,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1489 transitions. [2019-12-07 11:24:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-12-07 11:24:32,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:24:32,148 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 11:24:32,148 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:24:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:24:32,148 INFO L82 PathProgramCache]: Analyzing trace with hash -135469808, now seen corresponding path program 1 times [2019-12-07 11:24:32,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:24:32,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749066055] [2019-12-07 11:24:32,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:24:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:24:32,238 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-07 11:24:32,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749066055] [2019-12-07 11:24:32,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:24:32,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:24:32,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208002705] [2019-12-07 11:24:32,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:24:32,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:24:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:24:32,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:32,240 INFO L87 Difference]: Start difference. First operand 1429 states and 1489 transitions. Second operand 4 states. [2019-12-07 11:24:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:24:32,631 INFO L93 Difference]: Finished difference Result 3276 states and 3429 transitions. [2019-12-07 11:24:32,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:24:32,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2019-12-07 11:24:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:24:32,631 INFO L225 Difference]: With dead ends: 3276 [2019-12-07 11:24:32,632 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:24:32,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:24:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:24:32,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:24:32,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:24:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:24:32,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-12-07 11:24:32,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:24:32,634 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:24:32,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:24:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:24:32,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:24:32,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:24:33,240 WARN L192 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-12-07 11:24:33,598 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-12-07 11:24:33,600 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,600 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,600 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,600 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 11:24:33,601 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 11:24:33,602 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 11:24:33,603 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,604 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:24:33,605 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 11:24:33,606 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 11:24:33,607 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse12 (= ~a28~0 11)) (.cse10 (= ~a11~0 1)) (.cse2 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse6 (= ~a28~0 7))) (let ((.cse0 (not .cse6)) (.cse1 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse13 (<= ~a19~0 0)) (.cse11 (not .cse9)) (.cse8 (not .cse2)) (.cse5 (not .cse10)) (.cse7 (= ~a28~0 9)) (.cse4 (not .cse12))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4))) (and .cse1 .cse2 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse11 .cse5 .cse4) (and .cse0 .cse11 .cse2 .cse10) (and .cse12 (or (and .cse1 .cse2 .cse3) (and .cse2 .cse5)) .cse9) (and .cse2 .cse6 .cse10 .cse9) (and .cse8 .cse11 .cse6) (and .cse13 .cse11 .cse5) (and .cse13 .cse11 .cse4) (and .cse8 .cse5 (not .cse7) .cse4)))) [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 11:24:33,608 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:24:33,609 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse12 (= ~a28~0 11)) (.cse10 (= ~a11~0 1)) (.cse2 (= ~a19~0 1)) (.cse9 (= ~a25~0 1)) (.cse6 (= ~a28~0 7))) (let ((.cse0 (not .cse6)) (.cse1 (= ~a17~0 8)) (.cse3 (= ~a21~0 1)) (.cse13 (<= ~a19~0 0)) (.cse11 (not .cse9)) (.cse8 (not .cse2)) (.cse5 (not .cse10)) (.cse7 (= ~a28~0 9)) (.cse4 (not .cse12))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4))) (and .cse1 .cse2 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse11 .cse5 .cse4) (and .cse0 .cse11 .cse2 .cse10) (and .cse12 (or (and .cse1 .cse2 .cse3) (and .cse2 .cse5)) .cse9) (and .cse2 .cse6 .cse10 .cse9) (and .cse8 .cse11 .cse6) (and .cse13 .cse11 .cse5) (and .cse13 .cse11 .cse4) (and .cse8 .cse5 (not .cse7) .cse4)))) [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 11:24:33,610 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,611 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 11:24:33,612 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 11:24:33,613 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 11:24:33,614 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:24:33,615 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 11:24:33,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:24:33 BoogieIcfgContainer [2019-12-07 11:24:33,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:24:33,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:24:33,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:24:33,636 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:24:33,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:24:25" (3/4) ... [2019-12-07 11:24:33,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:24:33,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 11:24:33,654 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:24:33,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4504b4a8-c834-4fa6-b0f9-c5c2ee2a25a6/bin/uautomizer/witness.graphml [2019-12-07 11:24:33,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:24:33,733 INFO L168 Benchmark]: Toolchain (without parser) took 9530.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 181.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,733 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:24:33,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.90 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,734 INFO L168 Benchmark]: Boogie Preprocessor took 39.44 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,735 INFO L168 Benchmark]: RCFGBuilder took 669.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,735 INFO L168 Benchmark]: TraceAbstraction took 8341.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 389.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,735 INFO L168 Benchmark]: Witness Printer took 96.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:24:33,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.90 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.44 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 669.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8341.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 389.4 MB. Max. memory is 11.5 GB. * Witness Printer took 96.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11)))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (((a28 == 9 && !(a19 == 1)) && a25 == 1) && a11 == 1)) || (((!(a28 == 7) && !(a25 == 1)) && !(a11 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a28 == 11 && (((a17 == 8 && a19 == 1) && a21 == 1) || (a19 == 1 && !(a11 == 1)))) && a25 == 1)) || (((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11)))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (((a28 == 9 && !(a19 == 1)) && a25 == 1) && a11 == 1)) || (((!(a28 == 7) && !(a25 == 1)) && !(a11 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a28 == 11 && (((a17 == 8 && a19 == 1) && a21 == 1) || (a19 == 1 && !(a11 == 1)))) && a25 == 1)) || (((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || ((a19 <= 0 && !(a25 == 1)) && !(a11 == 1))) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a11 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 1452 SDtfs, 2865 SDslu, 352 SDs, 0 SdLazy, 6658 SolverSat, 1203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 3597 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 369 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5720 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3978 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2036 ConstructedInterpolants, 0 QuantifiedInterpolants, 1121265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 717/720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...