./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.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_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/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 288d25dbf636d510765b70dd57b8dfe428e9c588 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:57:35,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:35,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:35,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:35,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:35,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:35,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:35,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:35,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:35,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:35,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:35,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:35,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:35,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:35,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:35,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:35,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:35,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:35,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:35,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:35,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:35,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:35,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:35,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:35,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:35,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:35,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:35,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:35,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:35,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:35,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:35,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:35,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:35,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:35,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:35,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:35,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:35,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:35,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:35,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:35,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:35,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:35,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:35,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:35,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:35,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:35,429 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:35,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:35,429 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:35,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:35,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:35,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:35,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:35,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:35,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:35,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:35,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:35,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:35,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:35,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:35,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:35,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:35,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:35,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:35,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:35,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:35,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:35,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:35,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:35,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:35,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:35,435 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_cbe57575-681e-47b5-8292-f4bdae6ad8e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2020-11-28 02:57:35,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:35,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:35,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:35,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:35,730 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:35,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-11-28 02:57:35,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/data/24a5c9db8/6abcf3e97c0a46d3b923a47e0170e013/FLAG071eef4d3 [2020-11-28 02:57:36,458 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:36,461 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-11-28 02:57:36,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/data/24a5c9db8/6abcf3e97c0a46d3b923a47e0170e013/FLAG071eef4d3 [2020-11-28 02:57:36,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/data/24a5c9db8/6abcf3e97c0a46d3b923a47e0170e013 [2020-11-28 02:57:36,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:36,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:36,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:36,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:36,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:36,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:36" (1/1) ... [2020-11-28 02:57:36,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369c6625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:36, skipping insertion in model container [2020-11-28 02:57:36,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:36" (1/1) ... [2020-11-28 02:57:36,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:36,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:37,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:37,187 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:37,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:37,341 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:37,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37 WrapperNode [2020-11-28 02:57:37,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:37,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:37,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:37,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:37,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:37,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:37,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:37,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:37,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... [2020-11-28 02:57:37,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:37,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:37,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:37,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:37,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/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 02:57:37,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:37,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:37,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:38,632 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:38,632 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-28 02:57:38,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38 BoogieIcfgContainer [2020-11-28 02:57:38,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:38,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:38,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:38,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:38,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:36" (1/3) ... [2020-11-28 02:57:38,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f54762d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:38, skipping insertion in model container [2020-11-28 02:57:38,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:37" (2/3) ... [2020-11-28 02:57:38,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f54762d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:38, skipping insertion in model container [2020-11-28 02:57:38,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38" (3/3) ... [2020-11-28 02:57:38,644 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-11-28 02:57:38,655 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:38,659 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:57:38,671 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:57:38,723 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:38,723 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:38,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:38,724 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:38,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:38,724 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:38,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:38,724 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-28 02:57:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:57:38,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:38,754 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 02:57:38,755 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1752957569, now seen corresponding path program 1 times [2020-11-28 02:57:38,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:38,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33303366] [2020-11-28 02:57:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:39,078 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 02:57:39,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33303366] [2020-11-28 02:57:39,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:39,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:39,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083593427] [2020-11-28 02:57:39,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:57:39,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:39,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:57:39,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:39,103 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-28 02:57:39,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:39,156 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-11-28 02:57:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:57:39,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:57:39,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:39,168 INFO L225 Difference]: With dead ends: 231 [2020-11-28 02:57:39,168 INFO L226 Difference]: Without dead ends: 113 [2020-11-28 02:57:39,172 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 02:57:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-28 02:57:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-28 02:57:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-28 02:57:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-11-28 02:57:39,215 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-11-28 02:57:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:39,216 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-11-28 02:57:39,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:57:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-11-28 02:57:39,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:57:39,217 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:39,217 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 02:57:39,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:39,218 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:39,219 INFO L82 PathProgramCache]: Analyzing trace with hash 841926816, now seen corresponding path program 1 times [2020-11-28 02:57:39,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:39,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788869930] [2020-11-28 02:57:39,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:39,352 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 02:57:39,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788869930] [2020-11-28 02:57:39,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:39,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:39,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229383799] [2020-11-28 02:57:39,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:39,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:39,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:39,356 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-11-28 02:57:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:39,373 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-28 02:57:39,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:39,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:57:39,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:39,375 INFO L225 Difference]: With dead ends: 113 [2020-11-28 02:57:39,375 INFO L226 Difference]: Without dead ends: 47 [2020-11-28 02:57:39,376 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 02:57:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-28 02:57:39,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-28 02:57:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-28 02:57:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-11-28 02:57:39,383 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-11-28 02:57:39,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:39,384 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-11-28 02:57:39,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:39,384 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-11-28 02:57:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:57:39,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:39,386 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 02:57:39,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:39,386 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:39,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:39,387 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2020-11-28 02:57:39,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:39,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215522186] [2020-11-28 02:57:39,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:39,470 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 02:57:39,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215522186] [2020-11-28 02:57:39,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:39,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:39,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536356397] [2020-11-28 02:57:39,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:39,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:39,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:39,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:39,472 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-11-28 02:57:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:39,485 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-11-28 02:57:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:39,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:57:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:39,486 INFO L225 Difference]: With dead ends: 88 [2020-11-28 02:57:39,487 INFO L226 Difference]: Without dead ends: 47 [2020-11-28 02:57:39,487 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 02:57:39,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-28 02:57:39,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-28 02:57:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-28 02:57:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-28 02:57:39,494 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-11-28 02:57:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:39,494 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-28 02:57:39,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-28 02:57:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:57:39,496 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:39,496 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 02:57:39,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:39,497 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:39,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:39,497 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2020-11-28 02:57:39,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:39,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503187078] [2020-11-28 02:57:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:39,572 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 02:57:39,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503187078] [2020-11-28 02:57:39,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:39,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:39,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820961994] [2020-11-28 02:57:39,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:39,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:39,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:39,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:39,574 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-28 02:57:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:39,639 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-11-28 02:57:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:39,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 02:57:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:39,641 INFO L225 Difference]: With dead ends: 111 [2020-11-28 02:57:39,641 INFO L226 Difference]: Without dead ends: 70 [2020-11-28 02:57:39,642 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 02:57:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-28 02:57:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-11-28 02:57:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 02:57:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-11-28 02:57:39,665 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-11-28 02:57:39,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:39,666 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-11-28 02:57:39,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-28 02:57:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 02:57:39,667 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:39,667 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] [2020-11-28 02:57:39,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:39,668 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:39,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:39,668 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2020-11-28 02:57:39,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:39,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932075510] [2020-11-28 02:57:39,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:39,777 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 02:57:39,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932075510] [2020-11-28 02:57:39,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:39,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:39,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641898612] [2020-11-28 02:57:39,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:39,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:39,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:39,780 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-11-28 02:57:39,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:39,905 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-11-28 02:57:39,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:39,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 02:57:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:39,908 INFO L225 Difference]: With dead ends: 183 [2020-11-28 02:57:39,909 INFO L226 Difference]: Without dead ends: 121 [2020-11-28 02:57:39,909 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 02:57:39,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-28 02:57:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-11-28 02:57:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-28 02:57:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-11-28 02:57:39,926 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-11-28 02:57:39,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:39,928 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-11-28 02:57:39,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:39,928 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-11-28 02:57:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 02:57:39,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:39,931 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] [2020-11-28 02:57:39,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:57:39,931 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2020-11-28 02:57:39,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:39,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472421847] [2020-11-28 02:57:39,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:40,027 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 02:57:40,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472421847] [2020-11-28 02:57:40,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:40,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:40,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187465059] [2020-11-28 02:57:40,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:40,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:40,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:40,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:40,029 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-11-28 02:57:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:40,148 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-11-28 02:57:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:40,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 02:57:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:40,151 INFO L225 Difference]: With dead ends: 373 [2020-11-28 02:57:40,151 INFO L226 Difference]: Without dead ends: 305 [2020-11-28 02:57:40,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:57:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-28 02:57:40,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-11-28 02:57:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-11-28 02:57:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-11-28 02:57:40,171 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-11-28 02:57:40,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:40,171 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-11-28 02:57:40,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-11-28 02:57:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:40,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:40,173 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] [2020-11-28 02:57:40,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:57:40,174 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:40,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:40,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2020-11-28 02:57:40,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:40,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075510273] [2020-11-28 02:57:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:40,288 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 02:57:40,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075510273] [2020-11-28 02:57:40,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:40,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:40,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019257122] [2020-11-28 02:57:40,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:40,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:40,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:40,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:40,291 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-11-28 02:57:40,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:40,437 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-11-28 02:57:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:57:40,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 02:57:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:40,439 INFO L225 Difference]: With dead ends: 250 [2020-11-28 02:57:40,439 INFO L226 Difference]: Without dead ends: 182 [2020-11-28 02:57:40,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-11-28 02:57:40,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-11-28 02:57:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-11-28 02:57:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-11-28 02:57:40,463 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-11-28 02:57:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:40,464 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-11-28 02:57:40,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-11-28 02:57:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:40,466 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:40,466 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] [2020-11-28 02:57:40,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:57:40,466 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:40,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:40,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2020-11-28 02:57:40,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:40,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958528805] [2020-11-28 02:57:40,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:40,512 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 02:57:40,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958528805] [2020-11-28 02:57:40,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:40,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:40,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540363765] [2020-11-28 02:57:40,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:40,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:40,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:40,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:40,514 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-11-28 02:57:40,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:40,573 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-11-28 02:57:40,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:40,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-28 02:57:40,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:40,575 INFO L225 Difference]: With dead ends: 422 [2020-11-28 02:57:40,576 INFO L226 Difference]: Without dead ends: 295 [2020-11-28 02:57:40,576 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 02:57:40,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-28 02:57:40,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-11-28 02:57:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-28 02:57:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-11-28 02:57:40,592 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-11-28 02:57:40,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:40,592 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-11-28 02:57:40,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-11-28 02:57:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:40,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:40,594 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] [2020-11-28 02:57:40,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:57:40,594 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:40,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2020-11-28 02:57:40,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:40,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122000610] [2020-11-28 02:57:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:40,688 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 02:57:40,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122000610] [2020-11-28 02:57:40,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:40,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:40,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251389768] [2020-11-28 02:57:40,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:57:40,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:40,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:57:40,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:40,690 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-11-28 02:57:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:40,963 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-11-28 02:57:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:57:40,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 02:57:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:40,966 INFO L225 Difference]: With dead ends: 506 [2020-11-28 02:57:40,966 INFO L226 Difference]: Without dead ends: 339 [2020-11-28 02:57:40,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-28 02:57:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-11-28 02:57:40,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-11-28 02:57:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-28 02:57:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-11-28 02:57:40,988 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-11-28 02:57:40,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:40,991 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-11-28 02:57:40,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:57:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-11-28 02:57:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 02:57:40,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:40,994 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] [2020-11-28 02:57:40,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:57:40,995 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2020-11-28 02:57:40,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:40,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076013011] [2020-11-28 02:57:40,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:41,090 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 02:57:41,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076013011] [2020-11-28 02:57:41,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:41,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:57:41,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942459167] [2020-11-28 02:57:41,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:57:41,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:41,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:57:41,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:41,092 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 6 states. [2020-11-28 02:57:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:41,187 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-11-28 02:57:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:57:41,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 02:57:41,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:41,196 INFO L225 Difference]: With dead ends: 385 [2020-11-28 02:57:41,197 INFO L226 Difference]: Without dead ends: 239 [2020-11-28 02:57:41,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:57:41,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-11-28 02:57:41,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-11-28 02:57:41,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-28 02:57:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-11-28 02:57:41,213 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-11-28 02:57:41,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:41,214 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-11-28 02:57:41,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:57:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-11-28 02:57:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 02:57:41,215 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:41,215 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:57:41,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:57:41,216 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:41,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:41,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2020-11-28 02:57:41,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:41,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134255774] [2020-11-28 02:57:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:57:41,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134255774] [2020-11-28 02:57:41,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:41,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:57:41,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445738927] [2020-11-28 02:57:41,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:41,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:41,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:41,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:41,291 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-11-28 02:57:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:41,366 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-11-28 02:57:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:57:41,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-11-28 02:57:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:41,368 INFO L225 Difference]: With dead ends: 281 [2020-11-28 02:57:41,369 INFO L226 Difference]: Without dead ends: 173 [2020-11-28 02:57:41,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 02:57:41,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-28 02:57:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-11-28 02:57:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-28 02:57:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-11-28 02:57:41,382 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-11-28 02:57:41,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:41,383 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-11-28 02:57:41,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-11-28 02:57:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 02:57:41,384 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:41,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:41,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:57:41,384 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:41,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2020-11-28 02:57:41,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:41,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641817255] [2020-11-28 02:57:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:41,483 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 02:57:41,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641817255] [2020-11-28 02:57:41,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:41,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:41,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860677345] [2020-11-28 02:57:41,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:41,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:41,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:41,486 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-11-28 02:57:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:41,639 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-11-28 02:57:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:57:41,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-28 02:57:41,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:41,644 INFO L225 Difference]: With dead ends: 633 [2020-11-28 02:57:41,644 INFO L226 Difference]: Without dead ends: 515 [2020-11-28 02:57:41,645 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 02:57:41,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-11-28 02:57:41,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-11-28 02:57:41,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-11-28 02:57:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-11-28 02:57:41,678 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-11-28 02:57:41,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:41,679 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-11-28 02:57:41,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-11-28 02:57:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 02:57:41,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:41,680 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] [2020-11-28 02:57:41,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:57:41,681 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:41,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:41,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2020-11-28 02:57:41,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:41,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586956085] [2020-11-28 02:57:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 02:57:41,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586956085] [2020-11-28 02:57:41,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404736801] [2020-11-28 02:57:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/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 02:57:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:41,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 02:57:41,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 02:57:42,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:57:42,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-11-28 02:57:42,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817259889] [2020-11-28 02:57:42,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 02:57:42,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:42,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 02:57:42,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-28 02:57:42,093 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-11-28 02:57:42,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:42,530 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2020-11-28 02:57:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:57:42,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-11-28 02:57:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:42,533 INFO L225 Difference]: With dead ends: 580 [2020-11-28 02:57:42,533 INFO L226 Difference]: Without dead ends: 346 [2020-11-28 02:57:42,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-11-28 02:57:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-28 02:57:42,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2020-11-28 02:57:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-11-28 02:57:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-11-28 02:57:42,581 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-11-28 02:57:42,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:42,582 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-11-28 02:57:42,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 02:57:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-11-28 02:57:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 02:57:42,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:42,583 INFO L422 BasicCegarLoop]: trace histogram [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 02:57:42,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-28 02:57:42,812 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:42,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:42,812 INFO L82 PathProgramCache]: Analyzing trace with hash 755456399, now seen corresponding path program 1 times [2020-11-28 02:57:42,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:42,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777178651] [2020-11-28 02:57:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 02:57:42,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777178651] [2020-11-28 02:57:42,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700432989] [2020-11-28 02:57:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/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 02:57:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 02:57:43,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 02:57:43,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:57:43,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-11-28 02:57:43,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077736635] [2020-11-28 02:57:43,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:57:43,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:43,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:57:43,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:57:43,095 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2020-11-28 02:57:43,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:43,357 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2020-11-28 02:57:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 02:57:43,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-11-28 02:57:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:43,359 INFO L225 Difference]: With dead ends: 774 [2020-11-28 02:57:43,359 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:43,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-11-28 02:57:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:43,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:43,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-11-28 02:57:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:43,361 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:43,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:57:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:43,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:43,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 02:57:43,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:43,841 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 118 [2020-11-28 02:57:43,974 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-11-28 02:57:44,544 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 165 [2020-11-28 02:57:44,743 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 114 [2020-11-28 02:57:44,921 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 98 [2020-11-28 02:57:45,236 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 140 [2020-11-28 02:57:46,033 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 52 [2020-11-28 02:57:46,600 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-11-28 02:57:46,929 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-28 02:57:47,183 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-11-28 02:57:48,127 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 34 [2020-11-28 02:57:48,639 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 48 [2020-11-28 02:57:49,157 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2020-11-28 02:57:49,435 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 43 [2020-11-28 02:57:50,149 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 32 [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-11-28 02:57:50,152 INFO L274 CegarLoopResult]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-11-28 02:57:50,153 INFO L270 CegarLoopResult]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (not .cse8)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse13 (<= ~waterLevel~0 2)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse1 .cse7 .cse2 .cse8 .cse6) (and .cse0 .cse7 .cse9 .cse10 .cse11 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse9 .cse10 .cse11 .cse3 .cse2 .cse4 .cse12 .cse5 .cse6 .cse13) (and .cse1 .cse3 .cse2 .cse8 .cse6)))) [2020-11-28 02:57:50,153 INFO L270 CegarLoopResult]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2020-11-28 02:57:50,153 INFO L270 CegarLoopResult]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2020-11-28 02:57:50,153 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:50,153 INFO L270 CegarLoopResult]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:50,153 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-28 02:57:50,153 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,154 INFO L274 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-11-28 02:57:50,154 INFO L274 CegarLoopResult]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2020-11-28 02:57:50,154 INFO L270 CegarLoopResult]: At program point L638(lines 633 641) the Hoare annotation is: (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-11-28 02:57:50,154 INFO L270 CegarLoopResult]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-11-28 02:57:50,154 INFO L274 CegarLoopResult]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2020-11-28 02:57:50,154 INFO L270 CegarLoopResult]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-11-28 02:57:50,154 INFO L274 CegarLoopResult]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse1 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (not .cse7) .cse8 (<= ~waterLevel~0 2)) (and .cse9 .cse0 .cse6 .cse1 .cse8 .cse10 .cse2 .cse4 .cse3 .cse5) (and .cse9 .cse6 .cse1 .cse8 .cse10 .cse3 .cse7 .cse5))) [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not .cse9)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse9 .cse7 .cse8) (and .cse1 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse2 .cse10 .cse3 .cse11 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7 .cse12) (and .cse0 .cse13 .cse4 .cse14 .cse9 .cse7) (and .cse0 .cse2 .cse3 .cse4 .cse13 .cse5 .cse6 .cse14 .cse7)))) [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2020-11-28 02:57:50,155 INFO L270 CegarLoopResult]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2020-11-28 02:57:50,156 INFO L270 CegarLoopResult]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2020-11-28 02:57:50,156 INFO L270 CegarLoopResult]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:50,156 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L274 CegarLoopResult]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-11-28 02:57:50,157 INFO L270 CegarLoopResult]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (<= ~waterLevel~0 2)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (not .cse15)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse13 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse16 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse17 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse18 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse7 .cse1 .cse10 .cse13 .cse14 .cse4 .cse15 .cse5) (and (= ~waterLevel~0 1) .cse10 .cse1 .cse15 .cse5) (and .cse16 .cse0 .cse6 .cse8 .cse9 .cse1 .cse17 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse12 .cse16 .cse0 .cse8 .cse1 .cse2 .cse17 .cse3 .cse5 .cse18) (and .cse12 .cse0 .cse7 .cse8 .cse1 .cse10 .cse13 .cse2 .cse14 .cse4 .cse3 .cse5) (and .cse12 .cse16 .cse1 .cse17 .cse15 .cse5 .cse18)))) [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2020-11-28 02:57:50,158 INFO L270 CegarLoopResult]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2020-11-28 02:57:50,158 INFO L270 CegarLoopResult]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2020-11-28 02:57:50,158 INFO L274 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse16 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse11 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse17 (let ((.cse18 (not .cse6))) (or (and .cse18 .cse1 .cse12 .cse15 .cse7) (and .cse16 .cse18 .cse1 .cse15 .cse7)))) (.cse13 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse6 .cse7 .cse11 .cse8) (and .cse1 .cse2 .cse12 .cse6 .cse7 .cse8) (and (<= ~waterLevel~0 1) .cse9 .cse13 .cse1 .cse14 .cse10 .cse15 .cse7 .cse11) (and .cse16 .cse2 .cse1 .cse6 .cse7) (and .cse9 .cse13 .cse10 .cse14 .cse17 .cse11 .cse8) (and .cse13 .cse0 .cse2 .cse14 .cse17 .cse5 .cse8) (and .cse13 .cse0 .cse1 .cse2 .cse3 .cse14 .cse15 .cse4 .cse5 .cse7 .cse8)))) [2020-11-28 02:57:50,159 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:50,159 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 02:57:50,159 INFO L274 CegarLoopResult]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L852(lines 843 856) the Hoare annotation is: false [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2020-11-28 02:57:50,159 INFO L270 CegarLoopResult]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L270 CegarLoopResult]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,160 INFO L274 CegarLoopResult]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L270 CegarLoopResult]: At program point L754(lines 707 755) the Hoare annotation is: false [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,161 INFO L274 CegarLoopResult]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L270 CegarLoopResult]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:57:50,162 INFO L270 CegarLoopResult]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse0 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse6 .cse9) (and .cse3 .cse2 .cse8 .cse6 .cse9))) [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2020-11-28 02:57:50,162 INFO L270 CegarLoopResult]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2020-11-28 02:57:50,162 INFO L270 CegarLoopResult]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2020-11-28 02:57:50,162 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:50,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693(lines 678 696) the Hoare annotation is: false [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse11)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse5)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (not .cse8)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2020-11-28 02:57:50,163 INFO L270 CegarLoopResult]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2020-11-28 02:57:50,163 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-28 02:57:50,163 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-28 02:57:50,164 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-11-28 02:57:50,164 INFO L274 CegarLoopResult]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-11-28 02:57:50,164 INFO L270 CegarLoopResult]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse5 .cse6))) [2020-11-28 02:57:50,164 INFO L270 CegarLoopResult]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2020-11-28 02:57:50,164 INFO L270 CegarLoopResult]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2020-11-28 02:57:50,164 INFO L274 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,164 INFO L270 CegarLoopResult]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2020-11-28 02:57:50,164 INFO L274 CegarLoopResult]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,165 INFO L274 CegarLoopResult]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,165 INFO L274 CegarLoopResult]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,165 INFO L274 CegarLoopResult]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,165 INFO L274 CegarLoopResult]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2020-11-28 02:57:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:50 BoogieIcfgContainer [2020-11-28 02:57:50,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:50,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:50,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:50,227 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:50,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:38" (3/4) ... [2020-11-28 02:57:50,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:50,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:57:50,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:57:50,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:57:50,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:57:50,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:57:50,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:50,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:50,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-28 02:57:50,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:57:50,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:57:50,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:57:50,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:50,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 02:57:50,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-28 02:57:50,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-11-28 02:57:50,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:50,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:57:50,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-11-28 02:57:50,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-11-28 02:57:50,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbe57575-681e-47b5-8292-f4bdae6ad8e4/bin/uautomizer/witness.graphml [2020-11-28 02:57:50,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:50,425 INFO L168 Benchmark]: Toolchain (without parser) took 13693.56 ms. Allocated memory was 117.4 MB in the beginning and 268.4 MB in the end (delta: 151.0 MB). Free memory was 85.5 MB in the beginning and 194.3 MB in the end (delta: -108.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,426 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:50,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.28 ms. Allocated memory is still 117.4 MB. Free memory was 85.2 MB in the beginning and 82.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.49 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 78.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,427 INFO L168 Benchmark]: Boogie Preprocessor took 62.09 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 76.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,427 INFO L168 Benchmark]: RCFGBuilder took 1157.63 ms. Allocated memory is still 117.4 MB. Free memory was 76.0 MB in the beginning and 51.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,428 INFO L168 Benchmark]: TraceAbstraction took 11588.84 ms. Allocated memory was 117.4 MB in the beginning and 268.4 MB in the end (delta: 151.0 MB). Free memory was 51.2 MB in the beginning and 204.7 MB in the end (delta: -153.5 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,428 INFO L168 Benchmark]: Witness Printer took 197.99 ms. Allocated memory is still 268.4 MB. Free memory was 204.7 MB in the beginning and 194.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:50,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.28 ms. Allocated memory is still 117.4 MB. Free memory was 85.2 MB in the beginning and 82.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.49 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 78.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.09 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 76.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1157.63 ms. Allocated memory is still 117.4 MB. Free memory was 76.0 MB in the beginning and 51.9 MB in the end (delta: 24.1 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11588.84 ms. Allocated memory was 117.4 MB in the beginning and 268.4 MB in the end (delta: 151.0 MB). Free memory was 51.2 MB in the beginning and 204.7 MB in the end (delta: -153.5 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.1 GB. * Witness Printer took 197.99 ms. Allocated memory is still 268.4 MB. Free memory was 204.7 MB in the beginning and 194.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: 718]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 <= tmp) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && 1 <= \result) && waterLevel <= 2)) || ((((((!(\result == 0) && tmp == 0) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && (((((!(pumpRunning == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && splverifierCounter == 0))) && \result == 0) && waterLevel <= 2)) || ((((((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((!(\result == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && 1 == systemActive) && !(\result == 0)) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || (((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && methaneLevelCritical == systemActive) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\result == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && 1 <= tmp) && !(tmp___0 == 0)) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((((((((waterLevel <= 1 && !(\result == 0)) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && !(tmp___0 == 0)) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || ((((((((((methaneLevelCritical == systemActive && !(\result == 0)) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((!(\result == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && !(\result == 0)) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1370 SDtfs, 1993 SDslu, 2471 SDs, 0 SdLazy, 413 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1550 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2685113 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 153341 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 55375 SizeOfPredicates, 8 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 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...