./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:43:33,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:43:33,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:43:33,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:43:33,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:43:33,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:43:33,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:43:33,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:43:33,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:43:33,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:43:33,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:43:33,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:43:33,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:43:33,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:43:33,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:43:33,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:43:33,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:43:33,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:43:33,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:43:33,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:43:33,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:43:33,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:43:33,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:43:33,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:43:33,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:43:33,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:43:33,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:43:33,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:43:33,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:43:33,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:43:33,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:43:33,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:43:33,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:43:33,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:43:33,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:43:33,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:43:33,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:43:33,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:43:33,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:43:33,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:43:33,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:43:33,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:43:33,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:43:33,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:43:33,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:43:33,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:43:33,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:43:33,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:43:33,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:43:33,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:43:33,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:43:33,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:43:33,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:43:33,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:43:33,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:43:33,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:43:33,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:43:33,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:43:33,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:43:33,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:43:33,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:43:33,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:43:33,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:43:33,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:43:33,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:43:33,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:43:33,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:43:33,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:43:33,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:43:33,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:43:33,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2019-11-20 09:43:33,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:43:33,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:43:33,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:43:33,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:43:33,559 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:43:33,560 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-20 09:43:33,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/data/a215f05f4/d716078e86df436cbe2432122ec76ea7/FLAG4f5b2a85f [2019-11-20 09:43:34,182 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:43:34,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2019-11-20 09:43:34,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/data/a215f05f4/d716078e86df436cbe2432122ec76ea7/FLAG4f5b2a85f [2019-11-20 09:43:34,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/data/a215f05f4/d716078e86df436cbe2432122ec76ea7 [2019-11-20 09:43:34,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:43:34,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:43:34,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:34,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:43:34,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:43:34,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:34" (1/1) ... [2019-11-20 09:43:34,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d266d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:34, skipping insertion in model container [2019-11-20 09:43:34,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:43:34" (1/1) ... [2019-11-20 09:43:34,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:43:34,592 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:43:35,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:35,118 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:43:35,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:43:35,308 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:43:35,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35 WrapperNode [2019-11-20 09:43:35,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:43:35,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:35,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:43:35,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:43:35,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:43:35,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:43:35,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:43:35,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:43:35,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... [2019-11-20 09:43:35,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:43:35,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:43:35,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:43:35,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:43:35,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:43:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:43:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:43:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:43:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:43:36,454 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:43:36,454 INFO L285 CfgBuilder]: Removed 156 assume(true) statements. [2019-11-20 09:43:36,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:36 BoogieIcfgContainer [2019-11-20 09:43:36,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:43:36,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:43:36,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:43:36,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:43:36,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:43:34" (1/3) ... [2019-11-20 09:43:36,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a8607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:36, skipping insertion in model container [2019-11-20 09:43:36,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:43:35" (2/3) ... [2019-11-20 09:43:36,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668a8607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:43:36, skipping insertion in model container [2019-11-20 09:43:36,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:36" (3/3) ... [2019-11-20 09:43:36,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-11-20 09:43:36,472 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:43:36,478 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 09:43:36,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 09:43:36,513 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:43:36,514 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:43:36,514 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:43:36,514 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:43:36,514 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:43:36,514 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:43:36,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:43:36,515 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:43:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-20 09:43:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 09:43:36,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:36,538 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:36,539 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:36,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:36,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2019-11-20 09:43:36,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:36,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322054450] [2019-11-20 09:43:36,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:36,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322054450] [2019-11-20 09:43:36,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:36,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:43:36,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124203668] [2019-11-20 09:43:36,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:43:36,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:36,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:43:36,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:43:36,888 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-20 09:43:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:36,920 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-20 09:43:36,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:43:36,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 09:43:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:36,933 INFO L225 Difference]: With dead ends: 228 [2019-11-20 09:43:36,933 INFO L226 Difference]: Without dead ends: 113 [2019-11-20 09:43:36,936 INFO L630 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 [2019-11-20 09:43:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-20 09:43:36,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-20 09:43:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-20 09:43:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-20 09:43:36,981 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-11-20 09:43:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:36,982 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-20 09:43:36,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:43:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-20 09:43:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:43:36,983 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:36,983 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:36,984 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:36,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:36,984 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2019-11-20 09:43:36,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:36,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936081430] [2019-11-20 09:43:36,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:37,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936081430] [2019-11-20 09:43:37,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:37,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:43:37,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690698530] [2019-11-20 09:43:37,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:43:37,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:37,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:43:37,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:43:37,068 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-20 09:43:37,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:37,080 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-20 09:43:37,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:43:37,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 09:43:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:37,082 INFO L225 Difference]: With dead ends: 113 [2019-11-20 09:43:37,082 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 09:43:37,083 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:43:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 09:43:37,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 09:43:37,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 09:43:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-20 09:43:37,089 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-11-20 09:43:37,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:37,089 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-20 09:43:37,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:43:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-20 09:43:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 09:43:37,091 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:37,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:37,092 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:37,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2019-11-20 09:43:37,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:37,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948931403] [2019-11-20 09:43:37,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:37,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948931403] [2019-11-20 09:43:37,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:37,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:43:37,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777734649] [2019-11-20 09:43:37,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:43:37,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:37,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:43:37,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:43:37,190 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-20 09:43:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:37,202 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-20 09:43:37,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:43:37,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-20 09:43:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:37,209 INFO L225 Difference]: With dead ends: 88 [2019-11-20 09:43:37,211 INFO L226 Difference]: Without dead ends: 47 [2019-11-20 09:43:37,212 INFO L630 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 [2019-11-20 09:43:37,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-20 09:43:37,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-20 09:43:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-20 09:43:37,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-20 09:43:37,222 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-11-20 09:43:37,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:37,222 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-20 09:43:37,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:43:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-20 09:43:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 09:43:37,230 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:37,231 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:37,231 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:37,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:37,232 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2019-11-20 09:43:37,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:37,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107696260] [2019-11-20 09:43:37,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:37,320 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107696260] [2019-11-20 09:43:37,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:37,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:43:37,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847081531] [2019-11-20 09:43:37,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:43:37,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:37,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:43:37,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:43:37,322 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-20 09:43:37,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:37,384 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-11-20 09:43:37,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:43:37,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-20 09:43:37,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:37,385 INFO L225 Difference]: With dead ends: 109 [2019-11-20 09:43:37,385 INFO L226 Difference]: Without dead ends: 68 [2019-11-20 09:43:37,386 INFO L630 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 [2019-11-20 09:43:37,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-20 09:43:37,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-11-20 09:43:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-11-20 09:43:37,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-11-20 09:43:37,394 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-11-20 09:43:37,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:37,395 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-11-20 09:43:37,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:43:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-11-20 09:43:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 09:43:37,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:37,396 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:37,397 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:37,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:37,397 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2019-11-20 09:43:37,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:37,398 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771935341] [2019-11-20 09:43:37,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:37,468 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771935341] [2019-11-20 09:43:37,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:37,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:43:37,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472515605] [2019-11-20 09:43:37,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:37,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:37,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:37,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:37,470 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-11-20 09:43:37,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:37,569 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-11-20 09:43:37,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:43:37,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-20 09:43:37,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:37,571 INFO L225 Difference]: With dead ends: 175 [2019-11-20 09:43:37,571 INFO L226 Difference]: Without dead ends: 115 [2019-11-20 09:43:37,572 INFO L630 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 [2019-11-20 09:43:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-20 09:43:37,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-11-20 09:43:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-20 09:43:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-11-20 09:43:37,587 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-11-20 09:43:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:37,588 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-11-20 09:43:37,588 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-11-20 09:43:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 09:43:37,594 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:37,594 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:37,595 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:37,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:37,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2019-11-20 09:43:37,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:37,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074437618] [2019-11-20 09:43:37,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:37,743 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074437618] [2019-11-20 09:43:37,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:37,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:43:37,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613721265] [2019-11-20 09:43:37,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:37,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:37,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:37,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:37,745 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2019-11-20 09:43:37,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:37,894 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2019-11-20 09:43:37,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:43:37,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-20 09:43:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:37,896 INFO L225 Difference]: With dead ends: 253 [2019-11-20 09:43:37,897 INFO L226 Difference]: Without dead ends: 187 [2019-11-20 09:43:37,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:43:37,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2019-11-20 09:43:37,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2019-11-20 09:43:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-20 09:43:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2019-11-20 09:43:37,924 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2019-11-20 09:43:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:37,925 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2019-11-20 09:43:37,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2019-11-20 09:43:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 09:43:37,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:37,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:37,927 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:37,927 INFO L82 PathProgramCache]: Analyzing trace with hash -150608481, now seen corresponding path program 1 times [2019-11-20 09:43:37,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:37,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496162811] [2019-11-20 09:43:37,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:38,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496162811] [2019-11-20 09:43:38,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:38,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:43:38,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081306089] [2019-11-20 09:43:38,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:38,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:38,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:38,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:38,059 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 5 states. [2019-11-20 09:43:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:38,246 INFO L93 Difference]: Finished difference Result 247 states and 339 transitions. [2019-11-20 09:43:38,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 09:43:38,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 09:43:38,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:38,249 INFO L225 Difference]: With dead ends: 247 [2019-11-20 09:43:38,249 INFO L226 Difference]: Without dead ends: 245 [2019-11-20 09:43:38,250 INFO L630 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 [2019-11-20 09:43:38,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-20 09:43:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 115. [2019-11-20 09:43:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-20 09:43:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2019-11-20 09:43:38,282 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 31 [2019-11-20 09:43:38,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:38,282 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2019-11-20 09:43:38,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2019-11-20 09:43:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 09:43:38,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:38,289 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:38,289 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1088820762, now seen corresponding path program 1 times [2019-11-20 09:43:38,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:38,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121351063] [2019-11-20 09:43:38,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:38,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121351063] [2019-11-20 09:43:38,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:38,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:43:38,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886746296] [2019-11-20 09:43:38,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:43:38,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:38,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:43:38,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:43:38,375 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand 4 states. [2019-11-20 09:43:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:38,428 INFO L93 Difference]: Finished difference Result 250 states and 335 transitions. [2019-11-20 09:43:38,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:43:38,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-20 09:43:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:38,430 INFO L225 Difference]: With dead ends: 250 [2019-11-20 09:43:38,430 INFO L226 Difference]: Without dead ends: 141 [2019-11-20 09:43:38,431 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-20 09:43:38,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 100. [2019-11-20 09:43:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-20 09:43:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 131 transitions. [2019-11-20 09:43:38,448 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 131 transitions. Word has length 31 [2019-11-20 09:43:38,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:38,449 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 131 transitions. [2019-11-20 09:43:38,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:43:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2019-11-20 09:43:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 09:43:38,452 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:38,452 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:38,453 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:38,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:38,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1346986200, now seen corresponding path program 1 times [2019-11-20 09:43:38,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:38,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85219700] [2019-11-20 09:43:38,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:38,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85219700] [2019-11-20 09:43:38,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:38,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:43:38,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579527213] [2019-11-20 09:43:38,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:38,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:38,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:38,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:38,545 INFO L87 Difference]: Start difference. First operand 100 states and 131 transitions. Second operand 5 states. [2019-11-20 09:43:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:38,684 INFO L93 Difference]: Finished difference Result 271 states and 366 transitions. [2019-11-20 09:43:38,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 09:43:38,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 09:43:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:38,687 INFO L225 Difference]: With dead ends: 271 [2019-11-20 09:43:38,687 INFO L226 Difference]: Without dead ends: 201 [2019-11-20 09:43:38,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:43:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-11-20 09:43:38,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 141. [2019-11-20 09:43:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-20 09:43:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2019-11-20 09:43:38,704 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 183 transitions. Word has length 31 [2019-11-20 09:43:38,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:38,704 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 183 transitions. [2019-11-20 09:43:38,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 183 transitions. [2019-11-20 09:43:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 09:43:38,707 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:38,707 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:38,707 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:38,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2019-11-20 09:43:38,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:38,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601433820] [2019-11-20 09:43:38,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:38,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601433820] [2019-11-20 09:43:38,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043965808] [2019-11-20 09:43:38,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:43:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:38,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 09:43:38,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:43:39,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 09:43:39,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-20 09:43:39,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501069928] [2019-11-20 09:43:39,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 09:43:39,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:39,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 09:43:39,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 09:43:39,017 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. Second operand 6 states. [2019-11-20 09:43:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:39,237 INFO L93 Difference]: Finished difference Result 441 states and 588 transitions. [2019-11-20 09:43:39,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 09:43:39,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-11-20 09:43:39,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:39,240 INFO L225 Difference]: With dead ends: 441 [2019-11-20 09:43:39,240 INFO L226 Difference]: Without dead ends: 330 [2019-11-20 09:43:39,241 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-20 09:43:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-11-20 09:43:39,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 195. [2019-11-20 09:43:39,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-11-20 09:43:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions. [2019-11-20 09:43:39,260 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 52 [2019-11-20 09:43:39,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:39,261 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions. [2019-11-20 09:43:39,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 09:43:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2019-11-20 09:43:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 09:43:39,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:39,263 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:39,471 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:43:39,472 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:39,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:39,472 INFO L82 PathProgramCache]: Analyzing trace with hash 2113506808, now seen corresponding path program 2 times [2019-11-20 09:43:39,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:39,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311879042] [2019-11-20 09:43:39,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 09:43:39,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311879042] [2019-11-20 09:43:39,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:43:39,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 09:43:39,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259440543] [2019-11-20 09:43:39,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:39,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:39,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:39,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:43:39,635 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand 5 states. [2019-11-20 09:43:39,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:39,953 INFO L93 Difference]: Finished difference Result 599 states and 798 transitions. [2019-11-20 09:43:39,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 09:43:39,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-20 09:43:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:39,956 INFO L225 Difference]: With dead ends: 599 [2019-11-20 09:43:39,957 INFO L226 Difference]: Without dead ends: 433 [2019-11-20 09:43:39,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 09:43:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-11-20 09:43:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 271. [2019-11-20 09:43:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-11-20 09:43:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 353 transitions. [2019-11-20 09:43:39,995 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 353 transitions. Word has length 73 [2019-11-20 09:43:39,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:39,995 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 353 transitions. [2019-11-20 09:43:39,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 353 transitions. [2019-11-20 09:43:39,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 09:43:39,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:43:39,997 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:43:39,997 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:43:39,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:43:39,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2019-11-20 09:43:39,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:43:39,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945460002] [2019-11-20 09:43:39,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:43:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 09:43:40,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945460002] [2019-11-20 09:43:40,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619970539] [2019-11-20 09:43:40,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:43:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:43:40,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 09:43:40,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:43:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 09:43:40,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 09:43:40,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-20 09:43:40,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193774237] [2019-11-20 09:43:40,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:43:40,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:43:40,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:43:40,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 09:43:40,291 INFO L87 Difference]: Start difference. First operand 271 states and 353 transitions. Second operand 5 states. [2019-11-20 09:43:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:43:40,354 INFO L93 Difference]: Finished difference Result 480 states and 624 transitions. [2019-11-20 09:43:40,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:43:40,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-20 09:43:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:43:40,355 INFO L225 Difference]: With dead ends: 480 [2019-11-20 09:43:40,355 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:43:40,356 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-20 09:43:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:43:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:43:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:43:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:43:40,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-11-20 09:43:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:43:40,356 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:43:40,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:43:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:43:40,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:43:40,557 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:43:40,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:43:41,560 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-20 09:43:41,835 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 17 [2019-11-20 09:43:42,147 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-20 09:43:42,368 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 10 [2019-11-20 09:43:42,633 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 20 [2019-11-20 09:43:43,019 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 17 [2019-11-20 09:43:43,290 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2019-11-20 09:43:43,426 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 19 [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-5(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-8(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-9(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,429 INFO L444 ceAbstractionStarter]: For program point L433-11(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L433-12(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L433-14(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L433-15(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L433-17(lines 433 437) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L335-1(lines 335 343) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2019-11-20 09:43:43,430 INFO L440 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2019-11-20 09:43:43,430 INFO L444 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305-1(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305-2(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305-3(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305-4(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L305-5(lines 305 322) no Hoare annotation was computed. [2019-11-20 09:43:43,431 INFO L444 ceAbstractionStarter]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L444 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L444 ceAbstractionStarter]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L444 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L444 ceAbstractionStarter]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L440 ceAbstractionStarter]: At program point L273(lines 272 291) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:43:43,432 INFO L444 ceAbstractionStarter]: For program point L273-1(lines 273 279) no Hoare annotation was computed. [2019-11-20 09:43:43,432 INFO L440 ceAbstractionStarter]: At program point L273-2(lines 272 291) the Hoare annotation is: false [2019-11-20 09:43:43,432 INFO L440 ceAbstractionStarter]: At program point L273-3(lines 272 291) the Hoare annotation is: false [2019-11-20 09:43:43,433 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 79) no Hoare annotation was computed. [2019-11-20 09:43:43,433 INFO L444 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-11-20 09:43:43,433 INFO L440 ceAbstractionStarter]: At program point L571-1(lines 1 953) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (and .cse0 .cse2 .cse1) (<= 1 ~waterLevel~0)) (and (and .cse0 (= 1 ~waterLevel~0) .cse1) .cse2))) [2019-11-20 09:43:43,433 INFO L444 ceAbstractionStarter]: For program point L571-2(lines 571 584) no Hoare annotation was computed. [2019-11-20 09:43:43,433 INFO L440 ceAbstractionStarter]: At program point L571-3(lines 1 953) the Hoare annotation is: false [2019-11-20 09:43:43,433 INFO L440 ceAbstractionStarter]: At program point L439(lines 424 442) the Hoare annotation is: false [2019-11-20 09:43:43,433 INFO L444 ceAbstractionStarter]: For program point L571-4(lines 571 584) no Hoare annotation was computed. [2019-11-20 09:43:43,433 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L439-1(lines 424 442) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse1 .cse2) (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L571-5(lines 1 953) the Hoare annotation is: false [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L439-2(lines 424 442) the Hoare annotation is: false [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L439-3(lines 424 442) the Hoare annotation is: false [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L439-4(lines 424 442) the Hoare annotation is: false [2019-11-20 09:43:43,434 INFO L440 ceAbstractionStarter]: At program point L439-5(lines 424 442) the Hoare annotation is: false [2019-11-20 09:43:43,434 INFO L444 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-11-20 09:43:43,434 INFO L444 ceAbstractionStarter]: For program point L176-1(lines 273 279) no Hoare annotation was computed. [2019-11-20 09:43:43,434 INFO L444 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,434 INFO L444 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,434 INFO L444 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309-1(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309-3(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309-4(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L309-5(lines 309 317) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L444 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-11-20 09:43:43,435 INFO L440 ceAbstractionStarter]: At program point L145(lines 136 149) the Hoare annotation is: false [2019-11-20 09:43:43,435 INFO L440 ceAbstractionStarter]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-20 09:43:43,435 INFO L440 ceAbstractionStarter]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2019-11-20 09:43:43,436 INFO L440 ceAbstractionStarter]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2019-11-20 09:43:43,436 INFO L440 ceAbstractionStarter]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2019-11-20 09:43:43,436 INFO L440 ceAbstractionStarter]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2019-11-20 09:43:43,436 INFO L444 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-20 09:43:43,436 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-11-20 09:43:43,436 INFO L444 ceAbstractionStarter]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2019-11-20 09:43:43,436 INFO L444 ceAbstractionStarter]: For program point L509-2(lines 273 279) no Hoare annotation was computed. [2019-11-20 09:43:43,436 INFO L444 ceAbstractionStarter]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2019-11-20 09:43:43,436 INFO L440 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse0 (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and (and (= ~pumpRunning~0 0) .cse0) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-11-20 09:43:43,437 INFO L440 ceAbstractionStarter]: At program point L280-1(lines 280 286) the Hoare annotation is: false [2019-11-20 09:43:43,437 INFO L440 ceAbstractionStarter]: At program point L280-2(lines 280 286) the Hoare annotation is: false [2019-11-20 09:43:43,437 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-11-20 09:43:43,437 INFO L447 ceAbstractionStarter]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2019-11-20 09:43:43,437 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:43:43,437 INFO L444 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-11-20 09:43:43,437 INFO L440 ceAbstractionStarter]: At program point L483-1(lines 483 489) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and .cse0 (= 1 ~waterLevel~0) .cse1) (= ~pumpRunning~0 0)))) [2019-11-20 09:43:43,438 INFO L440 ceAbstractionStarter]: At program point L384(lines 379 387) the Hoare annotation is: false [2019-11-20 09:43:43,438 INFO L440 ceAbstractionStarter]: At program point L384-1(lines 379 387) the Hoare annotation is: false [2019-11-20 09:43:43,438 INFO L440 ceAbstractionStarter]: At program point L384-2(lines 379 387) the Hoare annotation is: false [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L87(lines 87 91) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L440 ceAbstractionStarter]: At program point L550(lines 1 953) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,438 INFO L440 ceAbstractionStarter]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:43:43,438 INFO L444 ceAbstractionStarter]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L155(lines 150 158) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: false [2019-11-20 09:43:43,439 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:43:43,439 INFO L447 ceAbstractionStarter]: At program point L257(lines 238 260) the Hoare annotation is: true [2019-11-20 09:43:43,439 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L458(lines 443 461) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L458-1(lines 443 461) the Hoare annotation is: false [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2019-11-20 09:43:43,439 INFO L440 ceAbstractionStarter]: At program point L558(lines 553 561) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-20 09:43:43,439 INFO L444 ceAbstractionStarter]: For program point L63(lines 63 67) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L440 ceAbstractionStarter]: At program point L493-1(lines 493 499) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and .cse0 (= 1 ~waterLevel~0) .cse1) (= ~pumpRunning~0 0)))) [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L440 ceAbstractionStarter]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (and .cse0 (= ~pumpRunning~0 0) .cse1) (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1))) [2019-11-20 09:43:43,440 INFO L440 ceAbstractionStarter]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2019-11-20 09:43:43,440 INFO L440 ceAbstractionStarter]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L331-1(lines 331 348) no Hoare annotation was computed. [2019-11-20 09:43:43,440 INFO L444 ceAbstractionStarter]: For program point L331-2(lines 331 348) no Hoare annotation was computed. [2019-11-20 09:43:43,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:43:43 BoogieIcfgContainer [2019-11-20 09:43:43,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:43:43,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:43:43,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:43:43,466 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:43:43,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:43:36" (3/4) ... [2019-11-20 09:43:43,470 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:43:43,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 09:43:43,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 09:43:43,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 09:43:43,495 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 09:43:43,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:43:43,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:43:43,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || (((1 == systemActive && 1 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 0) [2019-11-20 09:43:43,534 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) [2019-11-20 09:43:43,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-20 09:43:43,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 09:43:43,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-20 09:43:43,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-20 09:43:43,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6e9a84a7-77bc-412e-84e3-777047ce1c0e/bin/uautomizer/witness.graphml [2019-11-20 09:43:43,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:43:43,640 INFO L168 Benchmark]: Toolchain (without parser) took 9132.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -60.3 MB). Peak memory consumption was 238.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:43,641 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:43,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:43,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:43,642 INFO L168 Benchmark]: Boogie Preprocessor took 54.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:43:43,642 INFO L168 Benchmark]: RCFGBuilder took 998.00 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: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:43,643 INFO L168 Benchmark]: TraceAbstraction took 7009.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 339.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:43,643 INFO L168 Benchmark]: Witness Printer took 172.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:43:43,646 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 797.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 998.00 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: 72.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7009.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 339.3 MB. Max. memory is 11.5 GB. * Witness Printer took 172.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel) || (((1 == systemActive && 1 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == \result) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel) || (((1 == systemActive && 1 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) || (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && 2 <= tmp) && 2 <= \result) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel)) || (((1 == systemActive && 1 == waterLevel) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((1 <= \result && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && 2 <= \result) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 6.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1169 SDtfs, 1561 SDslu, 1818 SDs, 0 SdLazy, 314 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 645 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 115 NumberOfFragments, 332 HoareAnnotationTreeSize, 42 FomulaSimplifications, 115294 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 42 FomulaSimplificationsInter, 44814 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 45993 SizeOfPredicates, 8 NumberOfNonLiveVariables, 855 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 159/175 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...