./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fa33aaad762eafbf16a24d8c461c30e65889576 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:01,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:01,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:01,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:01,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:01,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:01,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:01,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:01,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:01,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:01,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:01,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:01,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:01,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:01,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:01,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:01,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:01,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:01,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:01,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:01,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:01,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:01,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:01,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:01,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:01,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:01,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:01,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:01,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:01,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:01,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:01,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:01,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:01,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:01,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:01,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:01,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:01,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:01,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:01,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:01,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:01,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:01,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:01,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:01,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:01,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:01,423 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:01,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:01,423 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:01,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:01,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:01,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:01,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:01,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:01,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:01,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:01,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:01,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:01,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:01,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:01,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:01,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:01,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:01,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:01,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:01,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:01,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:01,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:01,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:01,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:01,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:01,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa33aaad762eafbf16a24d8c461c30e65889576 [2020-11-28 02:58:01,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:01,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:01,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:01,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:01,753 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:01,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-11-28 02:58:01,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/data/65ed18c2f/2e6bcdb8b0204cc2add388ab099ebf8b/FLAG992503400 [2020-11-28 02:58:02,415 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:02,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-11-28 02:58:02,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/data/65ed18c2f/2e6bcdb8b0204cc2add388ab099ebf8b/FLAG992503400 [2020-11-28 02:58:02,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/data/65ed18c2f/2e6bcdb8b0204cc2add388ab099ebf8b [2020-11-28 02:58:02,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:02,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:02,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:02,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:02,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:02,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:02" (1/1) ... [2020-11-28 02:58:02,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ac02e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:02, skipping insertion in model container [2020-11-28 02:58:02,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:02" (1/1) ... [2020-11-28 02:58:02,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:02,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:03,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:03,158 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:03,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:03,284 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:03,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03 WrapperNode [2020-11-28 02:58:03,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:03,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:03,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:03,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:03,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:03,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:03,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:03,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:03,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... [2020-11-28 02:58:03,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:03,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:03,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:03,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:03,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/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 [2020-11-28 02:58:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:04,543 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:04,543 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-28 02:58:04,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:04 BoogieIcfgContainer [2020-11-28 02:58:04,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:04,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:04,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:04,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:04,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:02" (1/3) ... [2020-11-28 02:58:04,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c49327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:04, skipping insertion in model container [2020-11-28 02:58:04,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:03" (2/3) ... [2020-11-28 02:58:04,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c49327b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:04, skipping insertion in model container [2020-11-28 02:58:04,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:04" (3/3) ... [2020-11-28 02:58:04,553 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2020-11-28 02:58:04,564 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:04,568 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:04,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:04,604 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:04,604 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:04,604 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:04,604 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:04,604 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:04,605 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:04,605 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:04,605 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-28 02:58:04,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:58:04,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:04,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:04,628 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:04,633 INFO L82 PathProgramCache]: Analyzing trace with hash 71626657, now seen corresponding path program 1 times [2020-11-28 02:58:04,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:04,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031838863] [2020-11-28 02:58:04,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:04,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031838863] [2020-11-28 02:58:04,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:04,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:04,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903651915] [2020-11-28 02:58:04,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:04,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:04,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:04,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:04,976 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-28 02:58:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:05,022 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2020-11-28 02:58:05,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:05,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:58:05,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:05,034 INFO L225 Difference]: With dead ends: 278 [2020-11-28 02:58:05,034 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 02:58:05,037 INFO L677 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 [2020-11-28 02:58:05,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 02:58:05,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 02:58:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 02:58:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-11-28 02:58:05,084 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-11-28 02:58:05,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:05,084 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-11-28 02:58:05,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-11-28 02:58:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:58:05,086 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:05,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:05,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:05,087 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:05,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1842049795, now seen corresponding path program 1 times [2020-11-28 02:58:05,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:05,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178891868] [2020-11-28 02:58:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:05,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178891868] [2020-11-28 02:58:05,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:05,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:05,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678207207] [2020-11-28 02:58:05,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:05,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:05,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:05,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:05,262 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-11-28 02:58:05,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:05,287 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-11-28 02:58:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:05,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:58:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:05,290 INFO L225 Difference]: With dead ends: 137 [2020-11-28 02:58:05,292 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:58:05,294 INFO L677 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 [2020-11-28 02:58:05,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:58:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:58:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:58:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-11-28 02:58:05,308 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-11-28 02:58:05,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:05,309 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-11-28 02:58:05,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-11-28 02:58:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:05,311 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:05,311 INFO L422 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] [2020-11-28 02:58:05,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:05,312 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:05,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:05,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2020-11-28 02:58:05,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:05,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943325708] [2020-11-28 02:58:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:05,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943325708] [2020-11-28 02:58:05,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:05,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:05,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823494859] [2020-11-28 02:58:05,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:05,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:05,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:05,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:05,415 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-11-28 02:58:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:05,435 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-11-28 02:58:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:05,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:58:05,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:05,437 INFO L225 Difference]: With dead ends: 157 [2020-11-28 02:58:05,437 INFO L226 Difference]: Without dead ends: 107 [2020-11-28 02:58:05,438 INFO L677 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 [2020-11-28 02:58:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-28 02:58:05,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-11-28 02:58:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-28 02:58:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-11-28 02:58:05,456 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-11-28 02:58:05,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:05,456 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-11-28 02:58:05,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-11-28 02:58:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:58:05,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:05,458 INFO L422 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] [2020-11-28 02:58:05,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:05,459 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:05,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2020-11-28 02:58:05,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:05,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668586240] [2020-11-28 02:58:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:05,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668586240] [2020-11-28 02:58:05,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:05,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:05,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646017058] [2020-11-28 02:58:05,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:05,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:05,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:05,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:05,559 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-11-28 02:58:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:05,605 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-11-28 02:58:05,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:05,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 02:58:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:05,607 INFO L225 Difference]: With dead ends: 242 [2020-11-28 02:58:05,607 INFO L226 Difference]: Without dead ends: 146 [2020-11-28 02:58:05,608 INFO L677 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 [2020-11-28 02:58:05,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-28 02:58:05,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-11-28 02:58:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-28 02:58:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-11-28 02:58:05,632 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-11-28 02:58:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:05,632 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-11-28 02:58:05,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-11-28 02:58:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:58:05,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:05,636 INFO L422 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] [2020-11-28 02:58:05,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:05,636 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:05,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2020-11-28 02:58:05,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:05,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888747459] [2020-11-28 02:58:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:05,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888747459] [2020-11-28 02:58:05,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:05,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:05,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061307422] [2020-11-28 02:58:05,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:05,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:05,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:05,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:05,751 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-11-28 02:58:05,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:05,961 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-11-28 02:58:05,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:05,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 02:58:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:05,965 INFO L225 Difference]: With dead ends: 756 [2020-11-28 02:58:05,965 INFO L226 Difference]: Without dead ends: 619 [2020-11-28 02:58:05,966 INFO L677 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 [2020-11-28 02:58:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-11-28 02:58:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-11-28 02:58:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-11-28 02:58:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-11-28 02:58:06,016 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-11-28 02:58:06,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:06,017 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-11-28 02:58:06,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-11-28 02:58:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:58:06,023 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:06,023 INFO L422 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] [2020-11-28 02:58:06,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:06,024 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:06,025 INFO L82 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2020-11-28 02:58:06,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:06,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142938054] [2020-11-28 02:58:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:06,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142938054] [2020-11-28 02:58:06,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:06,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:06,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720554261] [2020-11-28 02:58:06,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:06,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:06,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:06,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:06,149 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-11-28 02:58:06,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:06,336 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-11-28 02:58:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:58:06,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 02:58:06,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:06,363 INFO L225 Difference]: With dead ends: 1029 [2020-11-28 02:58:06,363 INFO L226 Difference]: Without dead ends: 769 [2020-11-28 02:58:06,365 INFO L677 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 [2020-11-28 02:58:06,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-11-28 02:58:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-11-28 02:58:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-11-28 02:58:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-11-28 02:58:06,408 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-11-28 02:58:06,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:06,412 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-11-28 02:58:06,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-11-28 02:58:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:58:06,417 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:06,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:06,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:58:06,418 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:06,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:06,424 INFO L82 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2020-11-28 02:58:06,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:06,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971012974] [2020-11-28 02:58:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:06,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971012974] [2020-11-28 02:58:06,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:06,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:06,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360928228] [2020-11-28 02:58:06,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:06,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:06,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:06,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:06,518 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2020-11-28 02:58:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:06,597 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2020-11-28 02:58:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:06,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-28 02:58:06,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:06,603 INFO L225 Difference]: With dead ends: 773 [2020-11-28 02:58:06,603 INFO L226 Difference]: Without dead ends: 515 [2020-11-28 02:58:06,605 INFO L677 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 [2020-11-28 02:58:06,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-28 02:58:06,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2020-11-28 02:58:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-28 02:58:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-11-28 02:58:06,631 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-11-28 02:58:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:06,631 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-11-28 02:58:06,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-11-28 02:58:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:58:06,632 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:06,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:06,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:58:06,633 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:06,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2020-11-28 02:58:06,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:06,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622584481] [2020-11-28 02:58:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:06,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622584481] [2020-11-28 02:58:06,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:06,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:06,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570117373] [2020-11-28 02:58:06,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:06,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:06,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:06,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:06,704 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-11-28 02:58:06,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:06,808 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-11-28 02:58:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:06,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 02:58:06,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:06,811 INFO L225 Difference]: With dead ends: 735 [2020-11-28 02:58:06,812 INFO L226 Difference]: Without dead ends: 461 [2020-11-28 02:58:06,812 INFO L677 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 [2020-11-28 02:58:06,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-11-28 02:58:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-11-28 02:58:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-28 02:58:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-11-28 02:58:06,846 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-11-28 02:58:06,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:06,847 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-11-28 02:58:06,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-11-28 02:58:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:58:06,848 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:06,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:06,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:58:06,849 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:06,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:06,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2020-11-28 02:58:06,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:06,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091897535] [2020-11-28 02:58:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:06,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091897535] [2020-11-28 02:58:06,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:06,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:06,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071375110] [2020-11-28 02:58:06,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:06,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:06,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:06,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:06,907 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-11-28 02:58:06,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:06,957 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-11-28 02:58:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:06,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-28 02:58:06,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:06,960 INFO L225 Difference]: With dead ends: 707 [2020-11-28 02:58:06,960 INFO L226 Difference]: Without dead ends: 409 [2020-11-28 02:58:06,961 INFO L677 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 [2020-11-28 02:58:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-28 02:58:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-11-28 02:58:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-28 02:58:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-11-28 02:58:06,992 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-11-28 02:58:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:06,993 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-11-28 02:58:06,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-11-28 02:58:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 02:58:06,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:06,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:06,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:58:06,994 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:06,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2020-11-28 02:58:06,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:06,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007076645] [2020-11-28 02:58:06,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:07,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007076645] [2020-11-28 02:58:07,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:07,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:58:07,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799645259] [2020-11-28 02:58:07,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:58:07,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:07,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:58:07,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:58:07,081 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-11-28 02:58:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:07,346 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-11-28 02:58:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:58:07,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-28 02:58:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:07,353 INFO L225 Difference]: With dead ends: 1257 [2020-11-28 02:58:07,354 INFO L226 Difference]: Without dead ends: 855 [2020-11-28 02:58:07,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 02:58:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-11-28 02:58:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-11-28 02:58:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-28 02:58:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-11-28 02:58:07,397 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-11-28 02:58:07,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:07,397 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-11-28 02:58:07,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:58:07,397 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-11-28 02:58:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 02:58:07,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:07,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:07,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:58:07,399 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1332185050, now seen corresponding path program 1 times [2020-11-28 02:58:07,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:07,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794976474] [2020-11-28 02:58:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:58:07,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794976474] [2020-11-28 02:58:07,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:07,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:07,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852574816] [2020-11-28 02:58:07,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:07,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:07,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:07,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:07,468 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-11-28 02:58:07,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:07,545 INFO L93 Difference]: Finished difference Result 497 states and 647 transitions. [2020-11-28 02:58:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:07,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-28 02:58:07,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:07,547 INFO L225 Difference]: With dead ends: 497 [2020-11-28 02:58:07,547 INFO L226 Difference]: Without dead ends: 204 [2020-11-28 02:58:07,548 INFO L677 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 [2020-11-28 02:58:07,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-28 02:58:07,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-11-28 02:58:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-28 02:58:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2020-11-28 02:58:07,566 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 54 [2020-11-28 02:58:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:07,567 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2020-11-28 02:58:07,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2020-11-28 02:58:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 02:58:07,567 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:07,568 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:07,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:58:07,568 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:07,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:07,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1913318755, now seen corresponding path program 1 times [2020-11-28 02:58:07,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:07,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337681857] [2020-11-28 02:58:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:07,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337681857] [2020-11-28 02:58:07,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:07,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:07,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596390400] [2020-11-28 02:58:07,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:07,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:07,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:07,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:07,647 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand 3 states. [2020-11-28 02:58:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:07,694 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2020-11-28 02:58:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:07,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 02:58:07,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:07,697 INFO L225 Difference]: With dead ends: 319 [2020-11-28 02:58:07,697 INFO L226 Difference]: Without dead ends: 317 [2020-11-28 02:58:07,697 INFO L677 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 [2020-11-28 02:58:07,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-11-28 02:58:07,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 230. [2020-11-28 02:58:07,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-11-28 02:58:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2020-11-28 02:58:07,724 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 58 [2020-11-28 02:58:07,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:07,725 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2020-11-28 02:58:07,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:07,725 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2020-11-28 02:58:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:58:07,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:07,726 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:07,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:58:07,726 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:07,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1735772514, now seen corresponding path program 1 times [2020-11-28 02:58:07,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:07,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79407280] [2020-11-28 02:58:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:58:07,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79407280] [2020-11-28 02:58:07,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:07,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:07,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111524019] [2020-11-28 02:58:07,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:07,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:07,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:07,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:07,903 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 5 states. [2020-11-28 02:58:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:08,138 INFO L93 Difference]: Finished difference Result 647 states and 848 transitions. [2020-11-28 02:58:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:08,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:58:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:08,142 INFO L225 Difference]: With dead ends: 647 [2020-11-28 02:58:08,142 INFO L226 Difference]: Without dead ends: 474 [2020-11-28 02:58:08,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:58:08,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-11-28 02:58:08,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 319. [2020-11-28 02:58:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-11-28 02:58:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2020-11-28 02:58:08,183 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 82 [2020-11-28 02:58:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:08,183 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2020-11-28 02:58:08,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2020-11-28 02:58:08,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:58:08,185 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:08,185 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:08,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:58:08,185 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:08,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:08,186 INFO L82 PathProgramCache]: Analyzing trace with hash 714704160, now seen corresponding path program 1 times [2020-11-28 02:58:08,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:08,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523711243] [2020-11-28 02:58:08,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:08,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523711243] [2020-11-28 02:58:08,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835736562] [2020-11-28 02:58:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/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 [2020-11-28 02:58:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:08,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:58:08,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:08,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:58:08,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 02:58:08,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236295327] [2020-11-28 02:58:08,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:58:08,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:08,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:58:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:08,568 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand 4 states. [2020-11-28 02:58:08,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:08,750 INFO L93 Difference]: Finished difference Result 982 states and 1270 transitions. [2020-11-28 02:58:08,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:58:08,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-28 02:58:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:08,755 INFO L225 Difference]: With dead ends: 982 [2020-11-28 02:58:08,755 INFO L226 Difference]: Without dead ends: 667 [2020-11-28 02:58:08,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:58:08,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-11-28 02:58:08,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 645. [2020-11-28 02:58:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-11-28 02:58:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 821 transitions. [2020-11-28 02:58:08,830 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 821 transitions. Word has length 82 [2020-11-28 02:58:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:08,831 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 821 transitions. [2020-11-28 02:58:08,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:58:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2020-11-28 02:58:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:58:08,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:08,838 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:09,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 02:58:09,052 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:09,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:09,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1341405728, now seen corresponding path program 1 times [2020-11-28 02:58:09,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:09,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071255563] [2020-11-28 02:58:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 02:58:09,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071255563] [2020-11-28 02:58:09,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790294953] [2020-11-28 02:58:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/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 [2020-11-28 02:58:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:09,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 02:58:09,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:58:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 02:58:09,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:58:09,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-28 02:58:09,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456320598] [2020-11-28 02:58:09,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:09,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:09,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:58:09,371 INFO L87 Difference]: Start difference. First operand 645 states and 821 transitions. Second operand 5 states. [2020-11-28 02:58:09,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:09,510 INFO L93 Difference]: Finished difference Result 1102 states and 1384 transitions. [2020-11-28 02:58:09,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:09,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:58:09,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:09,513 INFO L225 Difference]: With dead ends: 1102 [2020-11-28 02:58:09,514 INFO L226 Difference]: Without dead ends: 464 [2020-11-28 02:58:09,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:58:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-28 02:58:09,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 274. [2020-11-28 02:58:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-28 02:58:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 333 transitions. [2020-11-28 02:58:09,555 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 333 transitions. Word has length 82 [2020-11-28 02:58:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:09,555 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 333 transitions. [2020-11-28 02:58:09,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 333 transitions. [2020-11-28 02:58:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 02:58:09,557 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:09,557 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:09,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-28 02:58:09,784 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:09,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1083755776, now seen corresponding path program 2 times [2020-11-28 02:58:09,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:09,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022223575] [2020-11-28 02:58:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 02:58:09,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022223575] [2020-11-28 02:58:09,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:09,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:58:09,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154929564] [2020-11-28 02:58:09,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:58:09,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:09,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:58:09,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:58:09,907 INFO L87 Difference]: Start difference. First operand 274 states and 333 transitions. Second operand 6 states. [2020-11-28 02:58:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:10,068 INFO L93 Difference]: Finished difference Result 608 states and 738 transitions. [2020-11-28 02:58:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:58:10,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-28 02:58:10,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:10,069 INFO L225 Difference]: With dead ends: 608 [2020-11-28 02:58:10,069 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:10,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:58:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:10,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-28 02:58:10,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:10,071 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:10,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:58:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:10,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:10,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-28 02:58:10,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:10,371 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 115 [2020-11-28 02:58:10,535 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 132 [2020-11-28 02:58:10,647 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2020-11-28 02:58:11,033 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 171 [2020-11-28 02:58:11,371 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-11-28 02:58:11,662 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 173 [2020-11-28 02:58:11,878 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2020-11-28 02:58:12,009 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 105 [2020-11-28 02:58:12,167 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2020-11-28 02:58:12,524 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 174 [2020-11-28 02:58:12,835 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-11-28 02:58:13,130 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 23 [2020-11-28 02:58:13,728 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 31 [2020-11-28 02:58:14,479 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 38 [2020-11-28 02:58:14,734 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 13 [2020-11-28 02:58:15,682 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-11-28 02:58:16,525 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-11-28 02:58:17,107 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 37 [2020-11-28 02:58:17,254 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-11-28 02:58:17,725 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-11-28 02:58:18,101 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 26 [2020-11-28 02:58:18,559 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2020-11-28 02:58:18,684 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-11-28 02:58:19,241 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L102(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,244 INFO L274 CegarLoopResult]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,245 INFO L270 CegarLoopResult]: At program point L532(lines 527 535) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:58:19,246 INFO L270 CegarLoopResult]: At program point L70(lines 69 88) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 .cse6 .cse3 .cse5) (and .cse6 .cse1 .cse2 .cse3))) [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L270 CegarLoopResult]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2020-11-28 02:58:19,246 INFO L270 CegarLoopResult]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2020-11-28 02:58:19,246 INFO L270 CegarLoopResult]: At program point L369(lines 364 371) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,246 INFO L274 CegarLoopResult]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L274 CegarLoopResult]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L270 CegarLoopResult]: At program point L273(lines 258 276) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse6 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-11-28 02:58:19,247 INFO L270 CegarLoopResult]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-11-28 02:58:19,247 INFO L270 CegarLoopResult]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-11-28 02:58:19,247 INFO L274 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L274 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-28 02:58:19,247 INFO L270 CegarLoopResult]: At program point L77(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L1002(lines 997 1005) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L1002-1(lines 997 1005) the Hoare annotation is: false [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L1002-2(lines 997 1005) the Hoare annotation is: false [2020-11-28 02:58:19,248 INFO L274 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-11-28 02:58:19,248 INFO L270 CegarLoopResult]: At program point L342-1(lines 70 76) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-11-28 02:58:19,248 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 02:58:19,248 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 02:58:19,248 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L270 CegarLoopResult]: At program point L380-1(lines 1 1005) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-11-28 02:58:19,249 INFO L270 CegarLoopResult]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L270 CegarLoopResult]: At program point L380-3(lines 1 1005) the Hoare annotation is: false [2020-11-28 02:58:19,249 INFO L270 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L380-4(lines 380 397) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L270 CegarLoopResult]: At program point L380-5(lines 1 1005) the Hoare annotation is: false [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,249 INFO L274 CegarLoopResult]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L270 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L417-1(lines 70 76) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L384-2(lines 384 394) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L384-4(lines 384 394) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-11-28 02:58:19,250 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 391) no Hoare annotation was computed. [2020-11-28 02:58:19,251 INFO L274 CegarLoopResult]: For program point L385-4(lines 385 391) no Hoare annotation was computed. [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-1(lines 942 950) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-2(lines 942 950) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-3(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-4(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-5(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-6(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-7(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,251 INFO L270 CegarLoopResult]: At program point L947-8(lines 942 950) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8))) [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254-3(lines 239 257) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L190(lines 183 193) the Hoare annotation is: false [2020-11-28 02:58:19,252 INFO L270 CegarLoopResult]: At program point L190-1(lines 183 193) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L190-3(lines 183 193) the Hoare annotation is: false [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L190-4(lines 183 193) the Hoare annotation is: false [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L190-5(lines 183 193) the Hoare annotation is: false [2020-11-28 02:58:19,253 INFO L274 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-11-28 02:58:19,253 INFO L277 CegarLoopResult]: At program point L488-1(lines 488 495) the Hoare annotation is: true [2020-11-28 02:58:19,253 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L524(lines 1 1005) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:58:19,253 INFO L274 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-11-28 02:58:19,253 INFO L270 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L128(lines 128 145) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987-3(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L987-5(lines 987 993) no Hoare annotation was computed. [2020-11-28 02:58:19,254 INFO L274 CegarLoopResult]: For program point L922(lines 922 926) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L270 CegarLoopResult]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L132(lines 132 140) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165-6(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165-8(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L274 CegarLoopResult]: For program point L165-10(lines 165 171) no Hoare annotation was computed. [2020-11-28 02:58:19,255 INFO L270 CegarLoopResult]: At program point L199(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2020-11-28 02:58:19,255 INFO L270 CegarLoopResult]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992(lines 983 996) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992-1(lines 983 996) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992-2(lines 983 996) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992-3(lines 983 996) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992-4(lines 983 996) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L270 CegarLoopResult]: At program point L992-5(lines 983 996) the Hoare annotation is: false [2020-11-28 02:58:19,256 INFO L277 CegarLoopResult]: At program point L497(lines 478 500) the Hoare annotation is: true [2020-11-28 02:58:19,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:19 BoogieIcfgContainer [2020-11-28 02:58:19,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:19,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:19,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:19,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:19,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:04" (3/4) ... [2020-11-28 02:58:19,325 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:19,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:19,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:19,359 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:19,361 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:19,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:19,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:19,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:19,398 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 02:58:19,398 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 02:58:19,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:58:19,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:58:19,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-28 02:58:19,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:58:19,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) [2020-11-28 02:58:19,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-11-28 02:58:19,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:19,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:58:19,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2ff21835-e1cb-4cb8-8998-2298b2559652/bin/uautomizer/witness.graphml [2020-11-28 02:58:19,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:19,520 INFO L168 Benchmark]: Toolchain (without parser) took 16789.86 ms. Allocated memory was 92.3 MB in the beginning and 314.6 MB in the end (delta: 222.3 MB). Free memory was 61.2 MB in the beginning and 156.7 MB in the end (delta: -95.5 MB). Peak memory consumption was 126.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,520 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:19,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.88 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.8 MB in the beginning and 84.6 MB in the end (delta: -23.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 80.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,522 INFO L168 Benchmark]: Boogie Preprocessor took 51.00 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 76.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,522 INFO L168 Benchmark]: RCFGBuilder took 1123.05 ms. Allocated memory is still 119.5 MB. Free memory was 76.9 MB in the beginning and 67.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,522 INFO L168 Benchmark]: TraceAbstraction took 14773.93 ms. Allocated memory was 119.5 MB in the beginning and 314.6 MB in the end (delta: 195.0 MB). Free memory was 66.7 MB in the beginning and 170.3 MB in the end (delta: -103.6 MB). Peak memory consumption was 131.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,523 INFO L168 Benchmark]: Witness Printer took 198.10 ms. Allocated memory is still 314.6 MB. Free memory was 170.3 MB in the beginning and 156.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:19,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.88 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.8 MB in the beginning and 84.6 MB in the end (delta: -23.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.66 ms. Allocated memory is still 119.5 MB. Free memory was 84.6 MB in the beginning and 80.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.00 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 76.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1123.05 ms. Allocated memory is still 119.5 MB. Free memory was 76.9 MB in the beginning and 67.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14773.93 ms. Allocated memory was 119.5 MB in the beginning and 314.6 MB in the end (delta: 195.0 MB). Free memory was 66.7 MB in the beginning and 170.3 MB in the end (delta: -103.6 MB). Peak memory consumption was 131.8 MB. Max. memory is 16.1 GB. * Witness Printer took 198.10 ms. Allocated memory is still 314.6 MB. Free memory was 170.3 MB in the beginning and 156.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1850 SDtfs, 2130 SDslu, 2822 SDs, 0 SdLazy, 365 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2152 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 228 NumberOfFragments, 1098 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1751980 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 238256 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 91173 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1031 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 304/340 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...