./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:40,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:40,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:40,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:40,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:40,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:40,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:40,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:40,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:40,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:40,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:40,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:40,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:40,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:40,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:40,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:40,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:40,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:40,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:40,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:40,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:40,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:40,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:40,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:40,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:40,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:40,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:40,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:40,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:40,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:40,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:40,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:40,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:40,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:40,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:40,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:40,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:40,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:40,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:40,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:40,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:40,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:40,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:40,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:40,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:40,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:40,350 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:40,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:40,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:40,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:40,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:40,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:40,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:40,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:40,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:40,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:40,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:40,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:40,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:40,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:40,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:40,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:40,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:40,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:40,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:40,354 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/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-10-22 09:01:40,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:40,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:40,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:40,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:40,391 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:40,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-10-22 09:01:40,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/data/224b9be62/ae4d82554bed4090ad0951b07196b9c9/FLAGdcc71a2d5 [2019-10-22 09:01:40,851 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:40,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-10-22 09:01:40,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/data/224b9be62/ae4d82554bed4090ad0951b07196b9c9/FLAGdcc71a2d5 [2019-10-22 09:01:40,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/data/224b9be62/ae4d82554bed4090ad0951b07196b9c9 [2019-10-22 09:01:40,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:40,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:40,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:40,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:40,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:40,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c7e792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40, skipping insertion in model container [2019-10-22 09:01:40,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,896 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:40,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:41,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:41,273 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:41,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:41,404 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:41,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41 WrapperNode [2019-10-22 09:01:41,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:41,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:41,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:41,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:41,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:41,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:41,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:41,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:41,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:41,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:41,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:41,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:41,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/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 [2019-10-22 09:01:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:42,340 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:42,340 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-10-22 09:01:42,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:42 BoogieIcfgContainer [2019-10-22 09:01:42,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:42,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:42,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:42,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:42,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:40" (1/3) ... [2019-10-22 09:01:42,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843f1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:42, skipping insertion in model container [2019-10-22 09:01:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41" (2/3) ... [2019-10-22 09:01:42,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7843f1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:42, skipping insertion in model container [2019-10-22 09:01:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:42" (3/3) ... [2019-10-22 09:01:42,348 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-10-22 09:01:42,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:42,363 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:01:42,373 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:01:42,395 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:42,396 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:42,396 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:42,396 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:42,396 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:42,396 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:42,397 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:42,397 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-10-22 09:01:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:01:42,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,418 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,420 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,425 INFO L82 PathProgramCache]: Analyzing trace with hash -330996092, now seen corresponding path program 1 times [2019-10-22 09:01:42,433 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:42,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587355983] [2019-10-22 09:01:42,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,433 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:42,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587355983] [2019-10-22 09:01:42,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:42,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:42,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365543146] [2019-10-22 09:01:42,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:42,612 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:42,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:42,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:42,625 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-10-22 09:01:42,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:42,655 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2019-10-22 09:01:42,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:42,656 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 09:01:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:42,667 INFO L225 Difference]: With dead ends: 263 [2019-10-22 09:01:42,667 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 09:01:42,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:42,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 09:01:42,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 09:01:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 09:01:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2019-10-22 09:01:42,709 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2019-10-22 09:01:42,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:42,709 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2019-10-22 09:01:42,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2019-10-22 09:01:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:01:42,710 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,711 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,711 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,711 INFO L82 PathProgramCache]: Analyzing trace with hash -549832061, now seen corresponding path program 1 times [2019-10-22 09:01:42,711 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:42,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019795322] [2019-10-22 09:01:42,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,712 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:42,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019795322] [2019-10-22 09:01:42,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:42,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:42,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582501632] [2019-10-22 09:01:42,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:42,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:42,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:42,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:42,781 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2019-10-22 09:01:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:42,793 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2019-10-22 09:01:42,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:42,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 09:01:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:42,795 INFO L225 Difference]: With dead ends: 131 [2019-10-22 09:01:42,795 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:01:42,796 INFO L600 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 [2019-10-22 09:01:42,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:01:42,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:01:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:01:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-10-22 09:01:42,801 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2019-10-22 09:01:42,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:42,801 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-10-22 09:01:42,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-10-22 09:01:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:01:42,803 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,803 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,803 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1314651584, now seen corresponding path program 1 times [2019-10-22 09:01:42,804 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:42,804 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500615446] [2019-10-22 09:01:42,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,804 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:42,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500615446] [2019-10-22 09:01:42,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:42,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:42,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045953017] [2019-10-22 09:01:42,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:42,905 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:42,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:42,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:42,906 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2019-10-22 09:01:42,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:42,936 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-10-22 09:01:42,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:42,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 09:01:42,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:42,938 INFO L225 Difference]: With dead ends: 151 [2019-10-22 09:01:42,938 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 09:01:42,938 INFO L600 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 [2019-10-22 09:01:42,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 09:01:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2019-10-22 09:01:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-22 09:01:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2019-10-22 09:01:42,948 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2019-10-22 09:01:42,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:42,949 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2019-10-22 09:01:42,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2019-10-22 09:01:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:01:42,950 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:42,950 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:42,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:42,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:42,951 INFO L82 PathProgramCache]: Analyzing trace with hash 399769442, now seen corresponding path program 1 times [2019-10-22 09:01:42,951 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:42,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526531721] [2019-10-22 09:01:42,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,951 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:42,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:42,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526531721] [2019-10-22 09:01:42,990 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:42,990 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:42,990 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114037556] [2019-10-22 09:01:42,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:42,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:42,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:42,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:42,991 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2019-10-22 09:01:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:43,051 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2019-10-22 09:01:43,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:43,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:01:43,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:43,053 INFO L225 Difference]: With dead ends: 234 [2019-10-22 09:01:43,053 INFO L226 Difference]: Without dead ends: 142 [2019-10-22 09:01:43,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-22 09:01:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-10-22 09:01:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-22 09:01:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2019-10-22 09:01:43,074 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2019-10-22 09:01:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:43,074 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2019-10-22 09:01:43,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2019-10-22 09:01:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 09:01:43,075 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:43,075 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:43,076 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:43,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:43,076 INFO L82 PathProgramCache]: Analyzing trace with hash -521625591, now seen corresponding path program 1 times [2019-10-22 09:01:43,076 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:43,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024853802] [2019-10-22 09:01:43,076 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024853802] [2019-10-22 09:01:43,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:43,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836507094] [2019-10-22 09:01:43,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:43,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:43,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:43,177 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2019-10-22 09:01:43,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:43,327 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2019-10-22 09:01:43,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:43,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-10-22 09:01:43,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:43,330 INFO L225 Difference]: With dead ends: 685 [2019-10-22 09:01:43,331 INFO L226 Difference]: Without dead ends: 552 [2019-10-22 09:01:43,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-10-22 09:01:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2019-10-22 09:01:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2019-10-22 09:01:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2019-10-22 09:01:43,384 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2019-10-22 09:01:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:43,384 INFO L462 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2019-10-22 09:01:43,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2019-10-22 09:01:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 09:01:43,385 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:43,385 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:43,386 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:43,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1955770751, now seen corresponding path program 1 times [2019-10-22 09:01:43,387 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:43,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119567521] [2019-10-22 09:01:43,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119567521] [2019-10-22 09:01:43,454 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:43,455 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906360948] [2019-10-22 09:01:43,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:43,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:43,456 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2019-10-22 09:01:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:43,611 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2019-10-22 09:01:43,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:01:43,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-10-22 09:01:43,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:43,614 INFO L225 Difference]: With dead ends: 997 [2019-10-22 09:01:43,614 INFO L226 Difference]: Without dead ends: 745 [2019-10-22 09:01:43,615 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-10-22 09:01:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2019-10-22 09:01:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2019-10-22 09:01:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2019-10-22 09:01:43,661 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2019-10-22 09:01:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:43,661 INFO L462 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2019-10-22 09:01:43,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2019-10-22 09:01:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:01:43,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:43,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:43,665 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:43,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:43,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1721615084, now seen corresponding path program 1 times [2019-10-22 09:01:43,666 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:43,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598770256] [2019-10-22 09:01:43,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598770256] [2019-10-22 09:01:43,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:43,729 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675203518] [2019-10-22 09:01:43,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:43,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:43,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:43,730 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2019-10-22 09:01:43,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:43,797 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2019-10-22 09:01:43,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:01:43,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 09:01:43,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:43,799 INFO L225 Difference]: With dead ends: 687 [2019-10-22 09:01:43,799 INFO L226 Difference]: Without dead ends: 437 [2019-10-22 09:01:43,799 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-22 09:01:43,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2019-10-22 09:01:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2019-10-22 09:01:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2019-10-22 09:01:43,819 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2019-10-22 09:01:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:43,819 INFO L462 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2019-10-22 09:01:43,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2019-10-22 09:01:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:01:43,821 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:43,821 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:43,821 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:43,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:43,821 INFO L82 PathProgramCache]: Analyzing trace with hash 710497834, now seen corresponding path program 1 times [2019-10-22 09:01:43,822 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:43,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992456501] [2019-10-22 09:01:43,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992456501] [2019-10-22 09:01:43,876 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,877 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:43,877 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021363374] [2019-10-22 09:01:43,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:43,877 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:43,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:43,878 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 5 states. [2019-10-22 09:01:44,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,031 INFO L93 Difference]: Finished difference Result 771 states and 1050 transitions. [2019-10-22 09:01:44,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:01:44,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 09:01:44,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,034 INFO L225 Difference]: With dead ends: 771 [2019-10-22 09:01:44,034 INFO L226 Difference]: Without dead ends: 497 [2019-10-22 09:01:44,035 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-22 09:01:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 297. [2019-10-22 09:01:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2019-10-22 09:01:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2019-10-22 09:01:44,081 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2019-10-22 09:01:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,081 INFO L462 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2019-10-22 09:01:44,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2019-10-22 09:01:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:01:44,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,084 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,084 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,084 INFO L82 PathProgramCache]: Analyzing trace with hash -310570520, now seen corresponding path program 1 times [2019-10-22 09:01:44,084 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881682179] [2019-10-22 09:01:44,085 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,085 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:44,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881682179] [2019-10-22 09:01:44,136 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:44,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468310887] [2019-10-22 09:01:44,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:44,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:44,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:44,138 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2019-10-22 09:01:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,179 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2019-10-22 09:01:44,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:44,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 09:01:44,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,181 INFO L225 Difference]: With dead ends: 691 [2019-10-22 09:01:44,181 INFO L226 Difference]: Without dead ends: 401 [2019-10-22 09:01:44,182 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:44,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-22 09:01:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2019-10-22 09:01:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-22 09:01:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2019-10-22 09:01:44,206 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2019-10-22 09:01:44,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,207 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2019-10-22 09:01:44,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2019-10-22 09:01:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:01:44,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,208 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,208 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1785049304, now seen corresponding path program 1 times [2019-10-22 09:01:44,208 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414472825] [2019-10-22 09:01:44,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,209 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:44,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414472825] [2019-10-22 09:01:44,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:01:44,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277520604] [2019-10-22 09:01:44,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:44,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:44,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:44,259 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2019-10-22 09:01:44,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,504 INFO L93 Difference]: Finished difference Result 1452 states and 1939 transitions. [2019-10-22 09:01:44,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:01:44,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-10-22 09:01:44,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,507 INFO L225 Difference]: With dead ends: 1452 [2019-10-22 09:01:44,507 INFO L226 Difference]: Without dead ends: 1058 [2019-10-22 09:01:44,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:01:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2019-10-22 09:01:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 401. [2019-10-22 09:01:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-22 09:01:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2019-10-22 09:01:44,542 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2019-10-22 09:01:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,542 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2019-10-22 09:01:44,542 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2019-10-22 09:01:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-22 09:01:44,543 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,543 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,544 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2139873590, now seen corresponding path program 1 times [2019-10-22 09:01:44,544 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275294580] [2019-10-22 09:01:44,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 09:01:44,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275294580] [2019-10-22 09:01:44,574 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:44,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143210817] [2019-10-22 09:01:44,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:44,575 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:44,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:44,575 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2019-10-22 09:01:44,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,626 INFO L93 Difference]: Finished difference Result 680 states and 883 transitions. [2019-10-22 09:01:44,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:44,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-10-22 09:01:44,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,627 INFO L225 Difference]: With dead ends: 680 [2019-10-22 09:01:44,627 INFO L226 Difference]: Without dead ends: 286 [2019-10-22 09:01:44,628 INFO L600 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 [2019-10-22 09:01:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-22 09:01:44,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2019-10-22 09:01:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-10-22 09:01:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2019-10-22 09:01:44,648 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 55 [2019-10-22 09:01:44,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,648 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2019-10-22 09:01:44,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2019-10-22 09:01:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:01:44,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,649 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,650 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1298914206, now seen corresponding path program 1 times [2019-10-22 09:01:44,650 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220970111] [2019-10-22 09:01:44,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,651 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 09:01:44,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220970111] [2019-10-22 09:01:44,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076373094] [2019-10-22 09:01:44,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/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 [2019-10-22 09:01:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 09:01:44,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:44,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:44,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-22 09:01:44,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366287406] [2019-10-22 09:01:44,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:44,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:44,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:44,861 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand 3 states. [2019-10-22 09:01:44,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,906 INFO L93 Difference]: Finished difference Result 405 states and 520 transitions. [2019-10-22 09:01:44,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:44,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-22 09:01:44,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,908 INFO L225 Difference]: With dead ends: 405 [2019-10-22 09:01:44,908 INFO L226 Difference]: Without dead ends: 403 [2019-10-22 09:01:44,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-22 09:01:44,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 302. [2019-10-22 09:01:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2019-10-22 09:01:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 392 transitions. [2019-10-22 09:01:44,934 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 392 transitions. Word has length 56 [2019-10-22 09:01:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,935 INFO L462 AbstractCegarLoop]: Abstraction has 302 states and 392 transitions. [2019-10-22 09:01:44,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 392 transitions. [2019-10-22 09:01:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 09:01:44,936 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,936 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,137 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:45,138 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1342172226, now seen corresponding path program 1 times [2019-10-22 09:01:45,139 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781282888] [2019-10-22 09:01:45,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,139 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:01:45,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781282888] [2019-10-22 09:01:45,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618622099] [2019-10-22 09:01:45,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:01:45,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:45,394 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:01:45,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:45,394 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-10-22 09:01:45,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969090813] [2019-10-22 09:01:45,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:45,395 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:45,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:45,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:01:45,396 INFO L87 Difference]: Start difference. First operand 302 states and 392 transitions. Second operand 6 states. [2019-10-22 09:01:45,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,637 INFO L93 Difference]: Finished difference Result 785 states and 1013 transitions. [2019-10-22 09:01:45,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:01:45,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-22 09:01:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,638 INFO L225 Difference]: With dead ends: 785 [2019-10-22 09:01:45,638 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:45,639 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-10-22 09:01:45,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:45,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-22 09:01:45,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,641 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:45,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:45,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:45,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:45,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:46,105 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 88 [2019-10-22 09:01:46,530 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 149 [2019-10-22 09:01:46,795 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2019-10-22 09:01:47,088 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 157 [2019-10-22 09:01:47,279 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 141 [2019-10-22 09:01:47,430 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2019-10-22 09:01:47,634 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2019-10-22 09:01:47,999 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 15 [2019-10-22 09:01:48,356 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-22 09:01:49,006 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-22 09:01:49,598 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2019-10-22 09:01:50,157 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-22 09:01:50,469 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 22 [2019-10-22 09:01:50,729 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 15 [2019-10-22 09:01:51,206 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 13 [2019-10-22 09:01:51,527 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-22 09:01:51,780 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L300-1(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L300-3(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,822 INFO L443 ceAbstractionStarter]: For program point L300-4(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:51,823 INFO L443 ceAbstractionStarter]: For program point L300-5(lines 300 308) no Hoare annotation was computed. [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-10-22 09:01:51,823 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L203-1(lines 203 209) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and (and .cse7 (and .cse0 .cse2 .cse3) .cse8) .cse4) (and (and .cse1 .cse5 .cse6 .cse2 .cse3) .cse4 .cse9) (and .cse7 .cse2 .cse3 .cse8 .cse4 .cse9))) [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse3) (and .cse5 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (and .cse5 .cse0 .cse1) .cse2) (and .cse5 .cse4 .cse0 .cse1))) [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L271-1(lines 271 277) the Hoare annotation is: false [2019-10-22 09:01:51,823 INFO L439 ceAbstractionStarter]: At program point L271-2(lines 271 277) the Hoare annotation is: false [2019-10-22 09:01:51,824 INFO L439 ceAbstractionStarter]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:01:51,824 INFO L439 ceAbstractionStarter]: At program point L901-2(lines 901 915) the Hoare annotation is: false [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-3(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-5(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L439 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: false [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-6(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-8(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-9(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-11(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-12(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-14(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,824 INFO L443 ceAbstractionStarter]: For program point L441-15(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L443 ceAbstractionStarter]: For program point L441-17(lines 441 445) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 264 270) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L439 ceAbstractionStarter]: At program point L213-1(lines 213 219) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse0 .cse2) (and (and (and .cse1 .cse2) .cse6) .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3))) [2019-10-22 09:01:51,825 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2019-10-22 09:01:51,825 INFO L446 ceAbstractionStarter]: At program point L973-1(lines 973 980) the Hoare annotation is: true [2019-10-22 09:01:51,825 INFO L439 ceAbstractionStarter]: At program point L447(lines 432 450) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:51,825 INFO L439 ceAbstractionStarter]: At program point L447-1(lines 432 450) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2))) [2019-10-22 09:01:51,825 INFO L439 ceAbstractionStarter]: At program point L447-2(lines 432 450) the Hoare annotation is: false [2019-10-22 09:01:51,825 INFO L439 ceAbstractionStarter]: At program point L447-3(lines 432 450) the Hoare annotation is: false [2019-10-22 09:01:51,826 INFO L439 ceAbstractionStarter]: At program point L447-4(lines 432 450) the Hoare annotation is: false [2019-10-22 09:01:51,826 INFO L439 ceAbstractionStarter]: At program point L447-5(lines 432 450) the Hoare annotation is: false [2019-10-22 09:01:51,826 INFO L439 ceAbstractionStarter]: At program point L482(lines 477 484) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:01:51,826 INFO L439 ceAbstractionStarter]: At program point L383(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 09:01:51,826 INFO L439 ceAbstractionStarter]: At program point L383-1(lines 376 386) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:51,827 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:51,827 INFO L439 ceAbstractionStarter]: At program point L383-2(lines 376 386) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 09:01:51,827 INFO L439 ceAbstractionStarter]: At program point L383-3(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,827 INFO L439 ceAbstractionStarter]: At program point L383-4(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,827 INFO L439 ceAbstractionStarter]: At program point L383-5(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L383-6(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L383-7(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L383-8(lines 376 386) the Hoare annotation is: false [2019-10-22 09:01:51,828 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:01:51,828 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:01:51,828 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and (and .cse5 .cse6 .cse1 .cse2) .cse7) (and (and (and .cse1 .cse2) .cse3 .cse4) .cse7))) [2019-10-22 09:01:51,828 INFO L439 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L446 ceAbstractionStarter]: At program point L982(lines 963 985) the Hoare annotation is: true [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L949(lines 945 951) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L439 ceAbstractionStarter]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-10-22 09:01:51,829 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2019-10-22 09:01:51,829 INFO L443 ceAbstractionStarter]: For program point L322-1(lines 322 339) no Hoare annotation was computed. [2019-10-22 09:01:51,829 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 339) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L439 ceAbstractionStarter]: At program point L455-1(lines 455 461) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,830 INFO L443 ceAbstractionStarter]: For program point L885-2(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358-6(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358-8(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:51,831 INFO L443 ceAbstractionStarter]: For program point L358-10(lines 358 364) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L439 ceAbstractionStarter]: At program point L392(lines 387 395) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 (and .cse1 .cse2 .cse3) .cse4) (= 0 ~systemActive~0)) (and (and (= 1 ~systemActive~0) .cse1 .cse2 .cse3) .cse0 .cse4))) [2019-10-22 09:01:51,832 INFO L439 ceAbstractionStarter]: At program point L392-1(lines 387 395) the Hoare annotation is: false [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L439 ceAbstractionStarter]: At program point L392-2(lines 387 395) the Hoare annotation is: false [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 334) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 334) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,832 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L439 ceAbstractionStarter]: At program point L493-1(lines 1 985) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~5 0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (and (and .cse7 (and .cse0 .cse2 .cse3) .cse8) .cse4) (and (and .cse1 .cse5 .cse6 .cse2 .cse3) .cse4 .cse9) (and .cse7 .cse2 .cse3 .cse8 .cse4 .cse9))) [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L439 ceAbstractionStarter]: At program point L493-3(lines 1 985) the Hoare annotation is: false [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L439 ceAbstractionStarter]: At program point L493-5(lines 1 985) the Hoare annotation is: false [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,833 INFO L443 ceAbstractionStarter]: For program point L296-1(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L296-2(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L296-3(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L296-4(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L296-5(lines 296 313) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:51,834 INFO L439 ceAbstractionStarter]: At program point L264(lines 263 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse2) (and (and .cse5 .cse0 .cse1) .cse3) (and .cse4 .cse5 .cse1) (and .cse4 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 09:01:51,835 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-10-22 09:01:51,835 INFO L443 ceAbstractionStarter]: For program point L264-1(lines 264 270) no Hoare annotation was computed. [2019-10-22 09:01:51,835 INFO L439 ceAbstractionStarter]: At program point L231-1(lines 264 270) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and (and .cse4 .cse0 .cse1) .cse3) (and .cse5 .cse4 .cse1) (and .cse5 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 09:01:51,835 INFO L439 ceAbstractionStarter]: At program point L264-2(lines 263 282) the Hoare annotation is: false [2019-10-22 09:01:51,835 INFO L439 ceAbstractionStarter]: At program point L264-3(lines 263 282) the Hoare annotation is: false [2019-10-22 09:01:51,835 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2019-10-22 09:01:51,835 INFO L439 ceAbstractionStarter]: At program point L166(lines 1 985) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:01:51,836 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2019-10-22 09:01:51,836 INFO L443 ceAbstractionStarter]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2019-10-22 09:01:51,836 INFO L443 ceAbstractionStarter]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2019-10-22 09:01:51,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:51 BoogieIcfgContainer [2019-10-22 09:01:51,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:51,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:51,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:51,859 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:51,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:42" (3/4) ... [2019-10-22 09:01:51,866 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:51,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:01:51,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:01:51,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:01:51,894 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:51,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:51,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:01:51,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-10-22 09:01:51,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-10-22 09:01:51,928 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:01:51,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-10-22 09:01:51,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 09:01:51,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 09:01:51,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) [2019-10-22 09:01:51,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:51,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 09:01:51,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:51,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 09:01:51,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:51,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:01:52,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b11da73-ff54-433c-9a51-83829cfccda0/bin/uautomizer/witness.graphml [2019-10-22 09:01:52,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:52,007 INFO L168 Benchmark]: Toolchain (without parser) took 11126.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.8 MB). Free memory was 937.8 MB in the beginning and 1.3 GB in the end (delta: -340.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,007 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:52,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,008 INFO L168 Benchmark]: Boogie Preprocessor took 67.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,008 INFO L168 Benchmark]: RCFGBuilder took 766.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,009 INFO L168 Benchmark]: TraceAbstraction took 9516.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.5 MB). Peak memory consumption was 496.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,009 INFO L168 Benchmark]: Witness Printer took 147.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 523.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -187.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 766.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9516.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 268.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.5 MB). Peak memory consumption was 496.1 MB. Max. memory is 11.5 GB. * Witness Printer took 147.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((1 == \result && (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || ((((((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, HoareTripleCheckerStatistics: 1512 SDtfs, 2000 SDslu, 2679 SDs, 0 SdLazy, 380 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1909 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 315 NumberOfFragments, 929 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2820284 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 442917 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 43789 SizeOfPredicates, 6 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 138/142 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...