./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/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 d3ca886cbb93ac9ab3a93e98b7567227967813c9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:29:45,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:29:45,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:29:45,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:29:45,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:29:45,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:29:45,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:29:45,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:29:45,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:29:45,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:29:45,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:29:45,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:29:45,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:29:45,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:29:45,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:29:45,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:29:45,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:29:45,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:29:45,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:29:45,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:29:45,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:29:45,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:29:45,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:29:45,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:29:45,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:29:45,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:29:45,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:29:45,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:29:45,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:29:45,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:29:45,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:29:45,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:29:45,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:29:45,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:29:45,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:29:45,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:29:45,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:29:45,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:29:45,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:29:45,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:29:45,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:29:45,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:29:45,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:29:45,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:29:45,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:29:45,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:29:45,727 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:29:45,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:29:45,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:29:45,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:29:45,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:29:45,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:29:45,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:29:45,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:29:45,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:29:45,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:29:45,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:29:45,733 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:29:45,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:29:45,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:29:45,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:29:45,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:29:45,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:29:45,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:29:45,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:29:45,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:29:45,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:29:45,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:29:45,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:29:45,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:29:45,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:29:45,739 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_afa6acce-fd24-4426-bc26-6e4aed617b4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ca886cbb93ac9ab3a93e98b7567227967813c9 [2020-11-30 01:29:46,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:29:46,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:29:46,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:29:46,260 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:29:46,262 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:29:46,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-11-30 01:29:46,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/data/360f754d0/7d68082bd7b9488b8e12faa8acef555e/FLAG427cf8815 [2020-11-30 01:29:47,227 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:29:47,231 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-11-30 01:29:47,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/data/360f754d0/7d68082bd7b9488b8e12faa8acef555e/FLAG427cf8815 [2020-11-30 01:29:47,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/data/360f754d0/7d68082bd7b9488b8e12faa8acef555e [2020-11-30 01:29:47,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:29:47,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:29:47,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:47,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:29:47,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:29:47,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71fb5f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:47, skipping insertion in model container [2020-11-30 01:29:47,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:29:47" (1/1) ... [2020-11-30 01:29:47,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:29:47,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:29:48,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:48,279 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:29:48,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:29:48,452 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:29:48,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48 WrapperNode [2020-11-30 01:29:48,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:29:48,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:48,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:29:48,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:29:48,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:29:48,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:29:48,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:29:48,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:29:48,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... [2020-11-30 01:29:48,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:29:48,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:29:48,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:29:48,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:29:48,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/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 [2020-11-30 01:29:48,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:29:48,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:29:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:29:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:29:50,673 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:29:50,674 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-11-30 01:29:50,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:50 BoogieIcfgContainer [2020-11-30 01:29:50,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:29:50,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:29:50,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:29:50,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:29:50,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:29:47" (1/3) ... [2020-11-30 01:29:50,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792df6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:29:50, skipping insertion in model container [2020-11-30 01:29:50,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:29:48" (2/3) ... [2020-11-30 01:29:50,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@792df6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:29:50, skipping insertion in model container [2020-11-30 01:29:50,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:50" (3/3) ... [2020-11-30 01:29:50,693 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2020-11-30 01:29:50,710 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:29:50,717 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:29:50,734 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:29:50,802 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:29:50,802 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:29:50,803 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:29:50,810 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:29:50,811 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:29:50,811 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:29:50,811 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:29:50,812 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:29:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-30 01:29:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:29:50,855 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:50,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:50,856 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:50,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1069395198, now seen corresponding path program 1 times [2020-11-30 01:29:50,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:50,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059645574] [2020-11-30 01:29:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:51,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059645574] [2020-11-30 01:29:51,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:51,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:51,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295934415] [2020-11-30 01:29:51,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:29:51,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:51,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:29:51,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:29:51,330 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-30 01:29:51,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:51,392 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2020-11-30 01:29:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:29:51,394 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 01:29:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:51,409 INFO L225 Difference]: With dead ends: 278 [2020-11-30 01:29:51,410 INFO L226 Difference]: Without dead ends: 137 [2020-11-30 01:29:51,415 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 [2020-11-30 01:29:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-30 01:29:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-30 01:29:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-30 01:29:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-11-30 01:29:51,558 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-11-30 01:29:51,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:51,559 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-11-30 01:29:51,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:29:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-11-30 01:29:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:29:51,563 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:51,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:51,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:29:51,565 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:51,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1796987997, now seen corresponding path program 1 times [2020-11-30 01:29:51,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:51,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761505047] [2020-11-30 01:29:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:51,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761505047] [2020-11-30 01:29:51,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:51,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:51,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195184569] [2020-11-30 01:29:51,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:51,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:51,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:51,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:51,789 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-11-30 01:29:51,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:51,809 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-11-30 01:29:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:51,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 01:29:51,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:51,812 INFO L225 Difference]: With dead ends: 137 [2020-11-30 01:29:51,812 INFO L226 Difference]: Without dead ends: 57 [2020-11-30 01:29:51,814 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 [2020-11-30 01:29:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-30 01:29:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-30 01:29:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-30 01:29:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-11-30 01:29:51,822 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-11-30 01:29:51,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:51,823 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-11-30 01:29:51,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-11-30 01:29:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:29:51,825 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:51,825 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] [2020-11-30 01:29:51,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:29:51,826 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:51,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:51,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2020-11-30 01:29:51,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:51,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815435291] [2020-11-30 01:29:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:51,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815435291] [2020-11-30 01:29:51,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:51,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:51,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716481972] [2020-11-30 01:29:51,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:51,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:51,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:51,960 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-11-30 01:29:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:52,020 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-11-30 01:29:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:52,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 01:29:52,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:52,023 INFO L225 Difference]: With dead ends: 157 [2020-11-30 01:29:52,023 INFO L226 Difference]: Without dead ends: 107 [2020-11-30 01:29:52,024 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 [2020-11-30 01:29:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-30 01:29:52,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-11-30 01:29:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-30 01:29:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-11-30 01:29:52,038 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-11-30 01:29:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:52,039 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-11-30 01:29:52,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-11-30 01:29:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:29:52,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:52,046 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] [2020-11-30 01:29:52,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:29:52,046 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2020-11-30 01:29:52,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:52,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537081869] [2020-11-30 01:29:52,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:52,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537081869] [2020-11-30 01:29:52,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:52,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:52,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072952356] [2020-11-30 01:29:52,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:52,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:52,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:52,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:52,183 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-11-30 01:29:52,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:52,285 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-11-30 01:29:52,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:52,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 01:29:52,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:52,288 INFO L225 Difference]: With dead ends: 242 [2020-11-30 01:29:52,288 INFO L226 Difference]: Without dead ends: 146 [2020-11-30 01:29:52,290 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 [2020-11-30 01:29:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-30 01:29:52,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-11-30 01:29:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-30 01:29:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-11-30 01:29:52,310 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-11-30 01:29:52,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:52,310 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-11-30 01:29:52,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-11-30 01:29:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 01:29:52,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:52,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:52,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:29:52,317 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:52,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:52,318 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2020-11-30 01:29:52,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:52,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722089675] [2020-11-30 01:29:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:52,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722089675] [2020-11-30 01:29:52,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:52,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:29:52,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925802263] [2020-11-30 01:29:52,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:52,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:52,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:52,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:52,421 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-11-30 01:29:52,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:52,672 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-11-30 01:29:52,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:29:52,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-30 01:29:52,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:52,677 INFO L225 Difference]: With dead ends: 756 [2020-11-30 01:29:52,678 INFO L226 Difference]: Without dead ends: 619 [2020-11-30 01:29:52,682 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 [2020-11-30 01:29:52,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-11-30 01:29:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-11-30 01:29:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-11-30 01:29:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-11-30 01:29:52,763 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-11-30 01:29:52,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:52,763 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-11-30 01:29:52,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-11-30 01:29:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 01:29:52,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:52,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:52,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:29:52,765 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:52,765 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2020-11-30 01:29:52,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:52,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176019037] [2020-11-30 01:29:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:52,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176019037] [2020-11-30 01:29:52,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:52,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:29:52,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601460082] [2020-11-30 01:29:52,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:52,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:52,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:52,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:52,878 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-11-30 01:29:53,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,085 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-11-30 01:29:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:29:53,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-30 01:29:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,090 INFO L225 Difference]: With dead ends: 1029 [2020-11-30 01:29:53,091 INFO L226 Difference]: Without dead ends: 769 [2020-11-30 01:29:53,094 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 [2020-11-30 01:29:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-11-30 01:29:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-11-30 01:29:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-11-30 01:29:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-11-30 01:29:53,123 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-11-30 01:29:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,124 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-11-30 01:29:53,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-11-30 01:29:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:29:53,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:29:53,134 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2020-11-30 01:29:53,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563703020] [2020-11-30 01:29:53,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:53,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563703020] [2020-11-30 01:29:53,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:53,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:29:53,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843119380] [2020-11-30 01:29:53,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:53,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:53,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:53,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:53,234 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 5 states. [2020-11-30 01:29:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,438 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2020-11-30 01:29:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:29:53,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 01:29:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,446 INFO L225 Difference]: With dead ends: 1031 [2020-11-30 01:29:53,446 INFO L226 Difference]: Without dead ends: 773 [2020-11-30 01:29:53,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:29:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-11-30 01:29:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2020-11-30 01:29:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-30 01:29:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-11-30 01:29:53,489 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-11-30 01:29:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,489 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-11-30 01:29:53,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-11-30 01:29:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:29:53,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:29:53,493 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2020-11-30 01:29:53,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735536004] [2020-11-30 01:29:53,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:53,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735536004] [2020-11-30 01:29:53,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:53,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:29:53,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028943164] [2020-11-30 01:29:53,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:53,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:53,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:53,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:53,596 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-11-30 01:29:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,724 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-11-30 01:29:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:29:53,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-30 01:29:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,730 INFO L225 Difference]: With dead ends: 735 [2020-11-30 01:29:53,730 INFO L226 Difference]: Without dead ends: 461 [2020-11-30 01:29:53,732 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 [2020-11-30 01:29:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-11-30 01:29:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-11-30 01:29:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-30 01:29:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-11-30 01:29:53,768 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-11-30 01:29:53,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,768 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-11-30 01:29:53,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-11-30 01:29:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:29:53,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:29:53,770 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,771 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2020-11-30 01:29:53,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162116297] [2020-11-30 01:29:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:53,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162116297] [2020-11-30 01:29:53,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:53,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:29:53,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088110059] [2020-11-30 01:29:53,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:53,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:53,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:53,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:53,853 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-11-30 01:29:53,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:53,915 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-11-30 01:29:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:53,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-30 01:29:53,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:53,919 INFO L225 Difference]: With dead ends: 707 [2020-11-30 01:29:53,920 INFO L226 Difference]: Without dead ends: 409 [2020-11-30 01:29:53,921 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 [2020-11-30 01:29:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-30 01:29:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-11-30 01:29:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-30 01:29:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-11-30 01:29:53,970 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-11-30 01:29:53,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:53,971 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-11-30 01:29:53,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-11-30 01:29:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:29:53,974 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:53,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:53,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:29:53,975 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:53,976 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2020-11-30 01:29:53,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:53,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454912283] [2020-11-30 01:29:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:54,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454912283] [2020-11-30 01:29:54,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:54,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:29:54,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075698629] [2020-11-30 01:29:54,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:29:54,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:54,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:29:54,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:54,099 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-11-30 01:29:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:54,470 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-11-30 01:29:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:29:54,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-30 01:29:54,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:54,482 INFO L225 Difference]: With dead ends: 1257 [2020-11-30 01:29:54,482 INFO L226 Difference]: Without dead ends: 855 [2020-11-30 01:29:54,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:29:54,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-11-30 01:29:54,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-11-30 01:29:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-30 01:29:54,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-11-30 01:29:54,545 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-11-30 01:29:54,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:54,546 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-11-30 01:29:54,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:29:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-11-30 01:29:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 01:29:54,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:54,548 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:54,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:29:54,549 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:54,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:54,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1077697388, now seen corresponding path program 1 times [2020-11-30 01:29:54,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:54,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537226716] [2020-11-30 01:29:54,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:29:54,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537226716] [2020-11-30 01:29:54,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:54,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:54,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31291360] [2020-11-30 01:29:54,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:54,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:54,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:54,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:54,636 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-11-30 01:29:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:54,798 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2020-11-30 01:29:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:54,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-11-30 01:29:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:54,802 INFO L225 Difference]: With dead ends: 692 [2020-11-30 01:29:54,803 INFO L226 Difference]: Without dead ends: 290 [2020-11-30 01:29:54,804 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 [2020-11-30 01:29:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-11-30 01:29:54,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2020-11-30 01:29:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 01:29:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2020-11-30 01:29:54,853 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2020-11-30 01:29:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:54,854 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2020-11-30 01:29:54,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2020-11-30 01:29:54,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 01:29:54,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:54,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:54,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:29:54,857 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:54,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1117244772, now seen corresponding path program 1 times [2020-11-30 01:29:54,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:54,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352970854] [2020-11-30 01:29:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:54,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352970854] [2020-11-30 01:29:54,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:54,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:29:54,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466198345] [2020-11-30 01:29:54,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:29:54,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:54,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:29:54,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:29:54,957 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2020-11-30 01:29:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:55,024 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2020-11-30 01:29:55,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:29:55,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 01:29:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:55,028 INFO L225 Difference]: With dead ends: 413 [2020-11-30 01:29:55,028 INFO L226 Difference]: Without dead ends: 411 [2020-11-30 01:29:55,029 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 [2020-11-30 01:29:55,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-11-30 01:29:55,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2020-11-30 01:29:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-11-30 01:29:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2020-11-30 01:29:55,069 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2020-11-30 01:29:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:55,070 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2020-11-30 01:29:55,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:29:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2020-11-30 01:29:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:29:55,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:55,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:55,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:29:55,073 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:55,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1215715229, now seen corresponding path program 1 times [2020-11-30 01:29:55,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:55,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511012645] [2020-11-30 01:29:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:29:55,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511012645] [2020-11-30 01:29:55,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:55,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:29:55,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487747047] [2020-11-30 01:29:55,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:55,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:55,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:55,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:29:55,265 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2020-11-30 01:29:55,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:55,566 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2020-11-30 01:29:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:29:55,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-30 01:29:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:55,574 INFO L225 Difference]: With dead ends: 845 [2020-11-30 01:29:55,574 INFO L226 Difference]: Without dead ends: 632 [2020-11-30 01:29:55,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-11-30 01:29:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2020-11-30 01:29:55,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-11-30 01:29:55,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2020-11-30 01:29:55,638 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2020-11-30 01:29:55,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:55,639 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2020-11-30 01:29:55,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2020-11-30 01:29:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:29:55,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:55,641 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:55,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:29:55,641 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:55,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:55,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2058183713, now seen corresponding path program 1 times [2020-11-30 01:29:55,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:55,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043614264] [2020-11-30 01:29:55,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:55,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043614264] [2020-11-30 01:29:55,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420836676] [2020-11-30 01:29:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/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 [2020-11-30 01:29:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:55,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:29:55,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:29:56,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:29:56,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-30 01:29:56,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717413107] [2020-11-30 01:29:56,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:29:56,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:56,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:29:56,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:29:56,078 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2020-11-30 01:29:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:56,452 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2020-11-30 01:29:56,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:29:56,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-30 01:29:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:56,459 INFO L225 Difference]: With dead ends: 1262 [2020-11-30 01:29:56,459 INFO L226 Difference]: Without dead ends: 867 [2020-11-30 01:29:56,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:29:56,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-11-30 01:29:56,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2020-11-30 01:29:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-11-30 01:29:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2020-11-30 01:29:56,638 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2020-11-30 01:29:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:56,638 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2020-11-30 01:29:56,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:29:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2020-11-30 01:29:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 01:29:56,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:56,642 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:56,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 01:29:56,860 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:56,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:56,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1610082015, now seen corresponding path program 1 times [2020-11-30 01:29:56,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:56,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895254866] [2020-11-30 01:29:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 01:29:56,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895254866] [2020-11-30 01:29:56,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301625089] [2020-11-30 01:29:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/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 [2020-11-30 01:29:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:57,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:29:57,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:29:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-30 01:29:57,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:29:57,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-30 01:29:57,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243442493] [2020-11-30 01:29:57,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:29:57,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:57,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:29:57,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:29:57,239 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2020-11-30 01:29:57,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:57,404 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2020-11-30 01:29:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:29:57,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-30 01:29:57,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:57,410 INFO L225 Difference]: With dead ends: 1598 [2020-11-30 01:29:57,410 INFO L226 Difference]: Without dead ends: 748 [2020-11-30 01:29:57,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:29:57,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-11-30 01:29:57,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2020-11-30 01:29:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-11-30 01:29:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2020-11-30 01:29:57,479 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2020-11-30 01:29:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:57,480 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2020-11-30 01:29:57,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:29:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2020-11-30 01:29:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 01:29:57,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:29:57,482 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:29:57,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-30 01:29:57,708 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:29:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:29:57,708 INFO L82 PathProgramCache]: Analyzing trace with hash 779021313, now seen corresponding path program 2 times [2020-11-30 01:29:57,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:29:57,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795322168] [2020-11-30 01:29:57,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:29:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:29:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:29:57,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795322168] [2020-11-30 01:29:57,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:29:57,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:29:57,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380978204] [2020-11-30 01:29:57,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:29:57,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:29:57,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:29:57,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:29:57,897 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2020-11-30 01:29:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:29:58,172 INFO L93 Difference]: Finished difference Result 932 states and 1177 transitions. [2020-11-30 01:29:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:29:58,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-30 01:29:58,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:29:58,173 INFO L225 Difference]: With dead ends: 932 [2020-11-30 01:29:58,173 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:29:58,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:29:58,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:29:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:29:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:29:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:29:58,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-30 01:29:58,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:29:58,175 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:29:58,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:29:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:29:58,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:29:58,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 01:29:58,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:29:58,911 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2020-11-30 01:29:59,414 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 200 [2020-11-30 01:29:59,728 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2020-11-30 01:29:59,871 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2020-11-30 01:30:00,516 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 175 [2020-11-30 01:30:00,796 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 163 [2020-11-30 01:30:01,093 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2020-11-30 01:30:01,427 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2020-11-30 01:30:01,561 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 94 [2020-11-30 01:30:01,849 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2020-11-30 01:30:02,256 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 173 [2020-11-30 01:30:03,928 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2020-11-30 01:30:05,203 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2020-11-30 01:30:05,739 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-11-30 01:30:06,128 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 25 [2020-11-30 01:30:06,944 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2020-11-30 01:30:07,778 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2020-11-30 01:30:08,565 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2020-11-30 01:30:08,712 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-11-30 01:30:08,951 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2020-11-30 01:30:09,590 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2020-11-30 01:30:09,885 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2020-11-30 01:30:10,447 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2020-11-30 01:30:11,343 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L960(lines 960 966) no Hoare annotation was computed. [2020-11-30 01:30:11,369 INFO L270 CegarLoopResult]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L927(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,369 INFO L274 CegarLoopResult]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2020-11-30 01:30:11,370 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-11-30 01:30:11,371 INFO L270 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-30 01:30:11,371 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,371 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,371 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,371 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-30 01:30:11,375 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-11-30 01:30:11,375 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-30 01:30:11,375 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-30 01:30:11,375 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-30 01:30:11,376 INFO L274 CegarLoopResult]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2020-11-30 01:30:11,376 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-30 01:30:11,376 INFO L270 CegarLoopResult]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-11-30 01:30:11,376 INFO L274 CegarLoopResult]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2020-11-30 01:30:11,376 INFO L270 CegarLoopResult]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2020-11-30 01:30:11,376 INFO L274 CegarLoopResult]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2020-11-30 01:30:11,376 INFO L270 CegarLoopResult]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2020-11-30 01:30:11,376 INFO L270 CegarLoopResult]: At program point L933(lines 918 936) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-11-30 01:30:11,377 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,377 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 01:30:11,377 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2020-11-30 01:30:11,378 INFO L274 CegarLoopResult]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2020-11-30 01:30:11,378 INFO L270 CegarLoopResult]: At program point L869(lines 862 872) the Hoare annotation is: false [2020-11-30 01:30:11,378 INFO L274 CegarLoopResult]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2020-11-30 01:30:11,378 INFO L270 CegarLoopResult]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-11-30 01:30:11,378 INFO L270 CegarLoopResult]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2020-11-30 01:30:11,378 INFO L270 CegarLoopResult]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2020-11-30 01:30:11,379 INFO L270 CegarLoopResult]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2020-11-30 01:30:11,379 INFO L270 CegarLoopResult]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2020-11-30 01:30:11,379 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2020-11-30 01:30:11,379 INFO L274 CegarLoopResult]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2020-11-30 01:30:11,379 INFO L274 CegarLoopResult]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2020-11-30 01:30:11,379 INFO L274 CegarLoopResult]: For program point L343(lines 343 358) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2020-11-30 01:30:11,380 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2020-11-30 01:30:11,381 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)))) [2020-11-30 01:30:11,381 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-30 01:30:11,381 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-30 01:30:11,381 INFO L274 CegarLoopResult]: For program point L314(lines 313 362) no Hoare annotation was computed. [2020-11-30 01:30:11,381 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-11-30 01:30:11,381 INFO L274 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,382 INFO L274 CegarLoopResult]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,383 INFO L274 CegarLoopResult]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2020-11-30 01:30:11,383 INFO L270 CegarLoopResult]: At program point L878(lines 873 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 .cse5))) [2020-11-30 01:30:11,383 INFO L270 CegarLoopResult]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2020-11-30 01:30:11,383 INFO L270 CegarLoopResult]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2020-11-30 01:30:11,383 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:30:11,384 INFO L274 CegarLoopResult]: For program point L351(lines 351 357) no Hoare annotation was computed. [2020-11-30 01:30:11,384 INFO L270 CegarLoopResult]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse3 .cse8))) [2020-11-30 01:30:11,384 INFO L274 CegarLoopResult]: For program point L252(lines 252 259) no Hoare annotation was computed. [2020-11-30 01:30:11,384 INFO L277 CegarLoopResult]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2020-11-30 01:30:11,384 INFO L274 CegarLoopResult]: For program point L946(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,385 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,386 INFO L274 CegarLoopResult]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,386 INFO L274 CegarLoopResult]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2020-11-30 01:30:11,386 INFO L274 CegarLoopResult]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,386 INFO L274 CegarLoopResult]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2020-11-30 01:30:11,386 INFO L270 CegarLoopResult]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse1 .cse6 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2))) [2020-11-30 01:30:11,386 INFO L274 CegarLoopResult]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2020-11-30 01:30:11,387 INFO L270 CegarLoopResult]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2020-11-30 01:30:11,387 INFO L270 CegarLoopResult]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2020-11-30 01:30:11,387 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:30:11,387 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:30:11,387 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-30 01:30:11,387 INFO L270 CegarLoopResult]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:11,388 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:30:11,388 INFO L270 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:11,388 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 01:30:11,388 INFO L274 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-11-30 01:30:11,388 INFO L274 CegarLoopResult]: For program point L157-2(line 157) no Hoare annotation was computed. [2020-11-30 01:30:11,388 INFO L274 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2020-11-30 01:30:11,389 INFO L274 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-11-30 01:30:11,390 INFO L270 CegarLoopResult]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-11-30 01:30:11,390 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,390 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-11-30 01:30:11,390 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse3 .cse5) (and .cse7 .cse8 .cse6 .cse4 .cse5 .cse3) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5))) [2020-11-30 01:30:11,390 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,391 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,391 INFO L270 CegarLoopResult]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2020-11-30 01:30:11,391 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,391 INFO L270 CegarLoopResult]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2020-11-30 01:30:11,391 INFO L270 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,392 INFO L270 CegarLoopResult]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2020-11-30 01:30:11,392 INFO L270 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,392 INFO L270 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-11-30 01:30:11,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:30:11,392 INFO L270 CegarLoopResult]: At program point L986(lines 981 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:11,392 INFO L270 CegarLoopResult]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:30:11,393 INFO L270 CegarLoopResult]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2020-11-30 01:30:11,393 INFO L270 CegarLoopResult]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2020-11-30 01:30:11,393 INFO L277 CegarLoopResult]: At program point L261(lines 242 264) the Hoare annotation is: true [2020-11-30 01:30:11,393 INFO L270 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 01:30:11,393 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:30:11,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:30:11,394 INFO L270 CegarLoopResult]: At program point L363(lines 312 364) the Hoare annotation is: false [2020-11-30 01:30:11,394 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,394 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,394 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,394 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,394 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,395 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-30 01:30:11,395 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-30 01:30:11,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:30:11 BoogieIcfgContainer [2020-11-30 01:30:11,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:30:11,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:11,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:11,437 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:11,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:29:50" (3/4) ... [2020-11-30 01:30:11,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:30:11,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:30:11,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:30:11,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:30:11,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:30:11,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:30:11,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:11,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:11,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-30 01:30:11,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-30 01:30:11,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 01:30:11,510 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-30 01:30:11,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 01:30:11,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 01:30:11,512 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-11-30 01:30:11,512 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 01:30:11,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 01:30:11,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 01:30:11,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_afa6acce-fd24-4426-bc26-6e4aed617b4f/bin/uautomizer/witness.graphml [2020-11-30 01:30:11,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:11,649 INFO L168 Benchmark]: Toolchain (without parser) took 24120.71 ms. Allocated memory was 115.3 MB in the beginning and 327.2 MB in the end (delta: 211.8 MB). Free memory was 79.8 MB in the beginning and 165.3 MB in the end (delta: -85.5 MB). Peak memory consumption was 125.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,650 INFO L168 Benchmark]: CDTParser took 2.52 ms. Allocated memory is still 75.5 MB. Free memory was 32.6 MB in the beginning and 32.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:11,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.56 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 78.7 MB in the end (delta: 924.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.64 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 74.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,651 INFO L168 Benchmark]: Boogie Preprocessor took 107.52 ms. Allocated memory is still 115.3 MB. Free memory was 74.5 MB in the beginning and 71.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,652 INFO L168 Benchmark]: RCFGBuilder took 2007.26 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 71.3 MB in the beginning and 93.5 MB in the end (delta: -22.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,653 INFO L168 Benchmark]: TraceAbstraction took 20754.58 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 93.5 MB in the beginning and 178.9 MB in the end (delta: -85.4 MB). Peak memory consumption was 163.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,653 INFO L168 Benchmark]: Witness Printer took 212.07 ms. Allocated memory is still 327.2 MB. Free memory was 178.9 MB in the beginning and 165.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:11,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.52 ms. Allocated memory is still 75.5 MB. Free memory was 32.6 MB in the beginning and 32.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 920.56 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 78.7 MB in the end (delta: 924.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.64 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 74.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.52 ms. Allocated memory is still 115.3 MB. Free memory was 74.5 MB in the beginning and 71.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2007.26 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 71.3 MB in the beginning and 93.5 MB in the end (delta: -22.3 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20754.58 ms. Allocated memory was 155.2 MB in the beginning and 327.2 MB in the end (delta: 172.0 MB). Free memory was 93.5 MB in the beginning and 178.9 MB in the end (delta: -85.4 MB). Peak memory consumption was 163.4 MB. Max. memory is 16.1 GB. * Witness Printer took 212.07 ms. Allocated memory is still 327.2 MB. Free memory was 178.9 MB in the beginning and 165.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1900 SDtfs, 2603 SDslu, 3053 SDs, 0 SdLazy, 380 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 2654 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1169 HoareAnnotationTreeSize, 57 FomulaSimplifications, 8489006 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 847955 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 88420 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 313/341 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...