./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.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_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/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 1ee24648c2b11ab591f00afa125ad014515f38d4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:35:07,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:07,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:07,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:07,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:07,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:07,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:07,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:07,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:07,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:07,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:07,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:07,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:07,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:07,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:07,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:07,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:07,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:07,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:07,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:07,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:07,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:07,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:07,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:07,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:07,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:07,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:07,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:07,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:07,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:07,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:07,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:07,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:07,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:07,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:07,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:07,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:07,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:07,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:07,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:07,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:07,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:35:07,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:07,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:07,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:07,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:07,826 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:07,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:07,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:07,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:07,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:07,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:07,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:07,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:07,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:07,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:07,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:07,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:07,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:07,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:07,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:07,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:07,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:07,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:07,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:07,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:07,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:07,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:07,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:07,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:07,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:07,834 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_f9245114-9cf6-4f5a-9015-3309bce085b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee24648c2b11ab591f00afa125ad014515f38d4 [2020-11-30 00:35:08,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:08,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:08,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:08,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:08,200 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:08,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-30 00:35:08,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/data/8c31c4c68/7f96a34c30a14ae98119e969c69c3114/FLAG4dbdba156 [2020-11-30 00:35:08,895 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:08,895 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-11-30 00:35:08,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/data/8c31c4c68/7f96a34c30a14ae98119e969c69c3114/FLAG4dbdba156 [2020-11-30 00:35:09,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/data/8c31c4c68/7f96a34c30a14ae98119e969c69c3114 [2020-11-30 00:35:09,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:09,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:09,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:09,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:09,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:09,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a08e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09, skipping insertion in model container [2020-11-30 00:35:09,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:09,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:09,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:09,646 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:09,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:09,799 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:09,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09 WrapperNode [2020-11-30 00:35:09,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:09,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:09,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:09,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:09,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:09,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:09,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:09,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:09,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:09,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:09,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:09,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:09,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/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 00:35:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:11,290 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:11,291 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-30 00:35:11,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11 BoogieIcfgContainer [2020-11-30 00:35:11,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:11,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:11,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:11,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:11,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:09" (1/3) ... [2020-11-30 00:35:11,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181def3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:11, skipping insertion in model container [2020-11-30 00:35:11,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09" (2/3) ... [2020-11-30 00:35:11,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181def3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:11, skipping insertion in model container [2020-11-30 00:35:11,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11" (3/3) ... [2020-11-30 00:35:11,307 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-11-30 00:35:11,318 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:11,324 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:35:11,335 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:35:11,365 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:11,365 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:11,366 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:11,366 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:11,366 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:11,366 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:11,366 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:11,366 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-30 00:35:11,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:35:11,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:11,394 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 00:35:11,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:11,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:11,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603742, now seen corresponding path program 1 times [2020-11-30 00:35:11,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:11,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271451161] [2020-11-30 00:35:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:11,680 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 00:35:11,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271451161] [2020-11-30 00:35:11,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:11,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:11,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353923967] [2020-11-30 00:35:11,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:35:11,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:11,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:35:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:35:11,713 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-30 00:35:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:11,755 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-30 00:35:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:35:11,757 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:35:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:11,770 INFO L225 Difference]: With dead ends: 238 [2020-11-30 00:35:11,771 INFO L226 Difference]: Without dead ends: 117 [2020-11-30 00:35:11,775 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 00:35:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-30 00:35:11,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-30 00:35:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-30 00:35:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-30 00:35:11,827 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-30 00:35:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:11,827 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-30 00:35:11,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:35:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-30 00:35:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:35:11,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:11,829 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 00:35:11,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:35:11,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:11,831 INFO L82 PathProgramCache]: Analyzing trace with hash 299902115, now seen corresponding path program 1 times [2020-11-30 00:35:11,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:11,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886487135] [2020-11-30 00:35:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:11,993 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 00:35:11,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886487135] [2020-11-30 00:35:11,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:11,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:11,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054044095] [2020-11-30 00:35:11,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:11,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:11,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:11,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:11,997 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-11-30 00:35:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:12,023 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-30 00:35:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:12,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:35:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:12,031 INFO L225 Difference]: With dead ends: 117 [2020-11-30 00:35:12,032 INFO L226 Difference]: Without dead ends: 49 [2020-11-30 00:35:12,035 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 00:35:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-30 00:35:12,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-30 00:35:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-30 00:35:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-30 00:35:12,050 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-30 00:35:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:12,051 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-30 00:35:12,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-30 00:35:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:35:12,054 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:12,054 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 00:35:12,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:35:12,056 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2020-11-30 00:35:12,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:12,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86826527] [2020-11-30 00:35:12,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:12,261 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 00:35:12,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86826527] [2020-11-30 00:35:12,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:12,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:12,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939130162] [2020-11-30 00:35:12,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:12,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:12,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:12,264 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-11-30 00:35:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:12,283 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-30 00:35:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:12,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:35:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:12,286 INFO L225 Difference]: With dead ends: 91 [2020-11-30 00:35:12,286 INFO L226 Difference]: Without dead ends: 49 [2020-11-30 00:35:12,287 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 00:35:12,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-30 00:35:12,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-30 00:35:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-30 00:35:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-30 00:35:12,295 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-30 00:35:12,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:12,296 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-30 00:35:12,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-30 00:35:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:35:12,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:12,298 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 00:35:12,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:35:12,298 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:12,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:12,299 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2020-11-30 00:35:12,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:12,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754083701] [2020-11-30 00:35:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:12,435 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 00:35:12,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754083701] [2020-11-30 00:35:12,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:12,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:12,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653337567] [2020-11-30 00:35:12,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:12,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:12,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:12,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:12,438 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-30 00:35:12,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:12,518 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-30 00:35:12,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:12,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:35:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:12,522 INFO L225 Difference]: With dead ends: 113 [2020-11-30 00:35:12,522 INFO L226 Difference]: Without dead ends: 71 [2020-11-30 00:35:12,523 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 00:35:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-30 00:35:12,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-30 00:35:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-30 00:35:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-30 00:35:12,539 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-30 00:35:12,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:12,540 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-30 00:35:12,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-30 00:35:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:35:12,543 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:12,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:12,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:35:12,544 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:12,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2020-11-30 00:35:12,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:12,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95726679] [2020-11-30 00:35:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:12,687 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 00:35:12,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95726679] [2020-11-30 00:35:12,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:12,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:35:12,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910022518] [2020-11-30 00:35:12,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:12,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:12,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:12,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:12,690 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-30 00:35:12,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:12,827 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-30 00:35:12,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:35:12,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-30 00:35:12,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:12,829 INFO L225 Difference]: With dead ends: 182 [2020-11-30 00:35:12,830 INFO L226 Difference]: Without dead ends: 120 [2020-11-30 00:35:12,831 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 00:35:12,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-30 00:35:12,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-30 00:35:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 00:35:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-30 00:35:12,872 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-30 00:35:12,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:12,878 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-30 00:35:12,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-30 00:35:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:35:12,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:12,881 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:12,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:35:12,882 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:12,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:12,882 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2020-11-30 00:35:12,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:12,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012906116] [2020-11-30 00:35:12,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:13,023 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 00:35:13,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012906116] [2020-11-30 00:35:13,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:13,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:13,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390930747] [2020-11-30 00:35:13,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:13,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:13,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:13,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:13,026 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-30 00:35:13,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:13,159 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-30 00:35:13,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:35:13,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-30 00:35:13,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:13,165 INFO L225 Difference]: With dead ends: 387 [2020-11-30 00:35:13,166 INFO L226 Difference]: Without dead ends: 319 [2020-11-30 00:35:13,170 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 00:35:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-30 00:35:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-30 00:35:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-30 00:35:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-30 00:35:13,199 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-30 00:35:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:13,199 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-30 00:35:13,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-30 00:35:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:35:13,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:13,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:13,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:35:13,202 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:13,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:13,203 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2020-11-30 00:35:13,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:13,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045866806] [2020-11-30 00:35:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:13,282 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 00:35:13,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045866806] [2020-11-30 00:35:13,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:13,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:13,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538003388] [2020-11-30 00:35:13,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:13,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:13,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:13,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:13,284 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-30 00:35:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:13,526 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-30 00:35:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:35:13,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 00:35:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:13,530 INFO L225 Difference]: With dead ends: 506 [2020-11-30 00:35:13,531 INFO L226 Difference]: Without dead ends: 378 [2020-11-30 00:35:13,532 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 00:35:13,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-30 00:35:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-30 00:35:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-30 00:35:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-30 00:35:13,569 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-30 00:35:13,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:13,571 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-30 00:35:13,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-30 00:35:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:35:13,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:13,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:13,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:35:13,578 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:13,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:13,579 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2020-11-30 00:35:13,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:13,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186734148] [2020-11-30 00:35:13,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:13,672 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 00:35:13,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186734148] [2020-11-30 00:35:13,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:13,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:13,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855856308] [2020-11-30 00:35:13,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:35:13,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:13,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:35:13,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:13,674 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 4 states. [2020-11-30 00:35:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:13,735 INFO L93 Difference]: Finished difference Result 319 states and 433 transitions. [2020-11-30 00:35:13,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:35:13,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-30 00:35:13,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:13,737 INFO L225 Difference]: With dead ends: 319 [2020-11-30 00:35:13,737 INFO L226 Difference]: Without dead ends: 192 [2020-11-30 00:35:13,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-30 00:35:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2020-11-30 00:35:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-30 00:35:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-30 00:35:13,767 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-30 00:35:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:13,767 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-30 00:35:13,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:35:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-30 00:35:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:35:13,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:13,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:13,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:35:13,777 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:13,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:13,777 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2020-11-30 00:35:13,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:13,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465744977] [2020-11-30 00:35:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:13,853 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 00:35:13,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465744977] [2020-11-30 00:35:13,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:13,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:13,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076507139] [2020-11-30 00:35:13,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:13,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:13,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:13,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:13,856 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-11-30 00:35:13,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:13,905 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-11-30 00:35:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:13,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-30 00:35:13,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:13,908 INFO L225 Difference]: With dead ends: 327 [2020-11-30 00:35:13,909 INFO L226 Difference]: Without dead ends: 192 [2020-11-30 00:35:13,910 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 00:35:13,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-30 00:35:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-11-30 00:35:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-30 00:35:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-11-30 00:35:13,931 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-11-30 00:35:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:13,932 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-11-30 00:35:13,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-11-30 00:35:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 00:35:13,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:13,933 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] [2020-11-30 00:35:13,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:35:13,933 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:13,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2020-11-30 00:35:13,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:13,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892632417] [2020-11-30 00:35:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:14,002 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 00:35:14,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892632417] [2020-11-30 00:35:14,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:14,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:14,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141160992] [2020-11-30 00:35:14,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:14,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:14,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:14,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:14,005 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-11-30 00:35:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:14,074 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-11-30 00:35:14,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:14,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-30 00:35:14,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:14,085 INFO L225 Difference]: With dead ends: 295 [2020-11-30 00:35:14,085 INFO L226 Difference]: Without dead ends: 293 [2020-11-30 00:35:14,085 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 00:35:14,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-30 00:35:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-11-30 00:35:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-11-30 00:35:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-11-30 00:35:14,113 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-11-30 00:35:14,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:14,114 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-11-30 00:35:14,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-11-30 00:35:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:35:14,115 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:14,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:35:14,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:35:14,116 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:14,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:14,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1447506227, now seen corresponding path program 1 times [2020-11-30 00:35:14,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:14,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815489676] [2020-11-30 00:35:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:14,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815489676] [2020-11-30 00:35:14,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923234419] [2020-11-30 00:35:14,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/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 00:35:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:14,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:35:14,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:14,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:35:14,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-30 00:35:14,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361760047] [2020-11-30 00:35:14,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:14,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:14,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:14,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:14,489 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2020-11-30 00:35:14,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:14,588 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-11-30 00:35:14,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:14,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-30 00:35:14,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:14,590 INFO L225 Difference]: With dead ends: 374 [2020-11-30 00:35:14,590 INFO L226 Difference]: Without dead ends: 197 [2020-11-30 00:35:14,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-30 00:35:14,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-11-30 00:35:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-30 00:35:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-11-30 00:35:14,621 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-11-30 00:35:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:14,623 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-11-30 00:35:14,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-11-30 00:35:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:35:14,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:14,625 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:14,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-30 00:35:14,849 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:14,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:14,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1936924503, now seen corresponding path program 1 times [2020-11-30 00:35:14,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:14,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575006451] [2020-11-30 00:35:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:35:14,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575006451] [2020-11-30 00:35:14,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881423009] [2020-11-30 00:35:14,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/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 00:35:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:15,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:35:15,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:35:15,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:35:15,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-30 00:35:15,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027916806] [2020-11-30 00:35:15,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:35:15,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:15,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:15,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:35:15,242 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2020-11-30 00:35:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:15,325 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2020-11-30 00:35:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:35:15,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-30 00:35:15,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:15,328 INFO L225 Difference]: With dead ends: 494 [2020-11-30 00:35:15,328 INFO L226 Difference]: Without dead ends: 354 [2020-11-30 00:35:15,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 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 00:35:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-30 00:35:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2020-11-30 00:35:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-30 00:35:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-11-30 00:35:15,354 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-11-30 00:35:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:15,354 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-11-30 00:35:15,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:35:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-11-30 00:35:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:35:15,355 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:15,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:15,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:35:15,581 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1678759065, now seen corresponding path program 1 times [2020-11-30 00:35:15,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:15,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697803529] [2020-11-30 00:35:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:15,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697803529] [2020-11-30 00:35:15,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:15,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:35:15,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156751755] [2020-11-30 00:35:15,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:35:15,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:35:15,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:35:15,823 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-11-30 00:35:16,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:16,053 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-11-30 00:35:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:35:16,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-30 00:35:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:16,054 INFO L225 Difference]: With dead ends: 485 [2020-11-30 00:35:16,054 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:35:16,055 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 00:35:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:35:16,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:35:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:35:16,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:35:16,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-30 00:35:16,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:16,057 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:16,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:35:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:35:16,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:35:16,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:35:16,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:35:16,235 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2020-11-30 00:35:16,447 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 83 [2020-11-30 00:35:16,619 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 83 [2020-11-30 00:35:16,762 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 68 [2020-11-30 00:35:16,993 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 86 [2020-11-30 00:35:17,127 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 82 [2020-11-30 00:35:17,265 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2020-11-30 00:35:17,713 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 31 [2020-11-30 00:35:17,839 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2020-11-30 00:35:18,346 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2020-11-30 00:35:18,833 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2020-11-30 00:35:19,244 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-11-30 00:35:19,449 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-11-30 00:35:19,642 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-11-30 00:35:20,105 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-11-30 00:35:20,341 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 21 [2020-11-30 00:35:20,698 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 31 [2020-11-30 00:35:20,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,747 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,747 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,748 INFO L274 CegarLoopResult]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,749 INFO L274 CegarLoopResult]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L932-2(line 932) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,750 INFO L274 CegarLoopResult]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L270 CegarLoopResult]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)))) [2020-11-30 00:35:20,751 INFO L274 CegarLoopResult]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2020-11-30 00:35:20,751 INFO L270 CegarLoopResult]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L538(lines 523 541) the Hoare annotation is: false [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse6 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse7) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse2 .cse7 .cse3 .cse4))) [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2020-11-30 00:35:20,752 INFO L270 CegarLoopResult]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2020-11-30 00:35:20,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,753 INFO L270 CegarLoopResult]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2020-11-30 00:35:20,753 INFO L270 CegarLoopResult]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2020-11-30 00:35:20,753 INFO L270 CegarLoopResult]: At program point L242(lines 233 246) the Hoare annotation is: false [2020-11-30 00:35:20,753 INFO L270 CegarLoopResult]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse1 .cse2 .cse5))) [2020-11-30 00:35:20,753 INFO L270 CegarLoopResult]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2020-11-30 00:35:20,754 INFO L270 CegarLoopResult]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2020-11-30 00:35:20,754 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-30 00:35:20,754 INFO L270 CegarLoopResult]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2020-11-30 00:35:20,754 INFO L270 CegarLoopResult]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L309(lines 308 353) no Hoare annotation was computed. [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,754 INFO L274 CegarLoopResult]: For program point L276(lines 276 293) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L270 CegarLoopResult]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L270 CegarLoopResult]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L270 CegarLoopResult]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-11-30 00:35:20,755 INFO L274 CegarLoopResult]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-11-30 00:35:20,756 INFO L274 CegarLoopResult]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2020-11-30 00:35:20,756 INFO L270 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse5))) [2020-11-30 00:35:20,756 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2020-11-30 00:35:20,762 INFO L270 CegarLoopResult]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2020-11-30 00:35:20,762 INFO L274 CegarLoopResult]: For program point L280(lines 280 290) no Hoare annotation was computed. [2020-11-30 00:35:20,763 INFO L274 CegarLoopResult]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2020-11-30 00:35:20,763 INFO L274 CegarLoopResult]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2020-11-30 00:35:20,764 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-11-30 00:35:20,765 INFO L274 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2020-11-30 00:35:20,765 INFO L274 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2020-11-30 00:35:20,766 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-30 00:35:20,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:35:20,766 INFO L270 CegarLoopResult]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 .cse2 .cse6))) [2020-11-30 00:35:20,766 INFO L270 CegarLoopResult]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2020-11-30 00:35:20,767 INFO L270 CegarLoopResult]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2020-11-30 00:35:20,767 INFO L274 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-11-30 00:35:20,767 INFO L270 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-30 00:35:20,767 INFO L270 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-11-30 00:35:20,768 INFO L270 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2020-11-30 00:35:20,768 INFO L270 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2020-11-30 00:35:20,768 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:35:20,768 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:35:20,768 INFO L274 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,770 INFO L274 CegarLoopResult]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,771 INFO L274 CegarLoopResult]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,771 INFO L274 CegarLoopResult]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,771 INFO L274 CegarLoopResult]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,771 INFO L274 CegarLoopResult]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2020-11-30 00:35:20,771 INFO L270 CegarLoopResult]: At program point L354(lines 307 355) the Hoare annotation is: false [2020-11-30 00:35:20,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point L160(lines 160 164) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:35:20,772 INFO L274 CegarLoopResult]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2020-11-30 00:35:20,773 INFO L270 CegarLoopResult]: At program point L557(lines 542 560) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0)) [2020-11-30 00:35:20,773 INFO L270 CegarLoopResult]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2020-11-30 00:35:20,773 INFO L270 CegarLoopResult]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2020-11-30 00:35:20,773 INFO L274 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-11-30 00:35:20,773 INFO L270 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-11-30 00:35:20,774 INFO L270 CegarLoopResult]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse6 .cse5))) [2020-11-30 00:35:20,774 INFO L270 CegarLoopResult]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2020-11-30 00:35:20,774 INFO L270 CegarLoopResult]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-11-30 00:35:20,774 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:35:20,774 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:35:20,775 INFO L274 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-11-30 00:35:20,775 INFO L274 CegarLoopResult]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2020-11-30 00:35:20,775 INFO L274 CegarLoopResult]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2020-11-30 00:35:20,775 INFO L270 CegarLoopResult]: At program point L265(lines 260 267) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:35:20,775 INFO L270 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:35:20,775 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-30 00:35:20,776 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-30 00:35:20,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:20 BoogieIcfgContainer [2020-11-30 00:35:20,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:20,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:20,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:20,844 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:20,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:11" (3/4) ... [2020-11-30 00:35:20,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:35:20,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:35:20,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:35:20,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:35:20,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:35:20,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:35:20,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:20,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:20,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-30 00:35:20,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-30 00:35:20,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-11-30 00:35:20,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-11-30 00:35:20,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-30 00:35:20,940 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-30 00:35:20,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel [2020-11-30 00:35:20,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-30 00:35:21,080 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f9245114-9cf6-4f5a-9015-3309bce085b8/bin/uautomizer/witness.graphml [2020-11-30 00:35:21,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:21,082 INFO L168 Benchmark]: Toolchain (without parser) took 11952.99 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 64.7 MB in the beginning and 151.1 MB in the end (delta: -86.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,082 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:21,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.72 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 47.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.59 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 60.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,083 INFO L168 Benchmark]: Boogie Preprocessor took 54.24 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 58.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,084 INFO L168 Benchmark]: RCFGBuilder took 1344.20 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 69.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,084 INFO L168 Benchmark]: TraceAbstraction took 9546.54 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 68.4 MB in the beginning and 55.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 105.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,085 INFO L168 Benchmark]: Witness Printer took 236.98 ms. Allocated memory is still 182.5 MB. Free memory was 55.9 MB in the beginning and 151.1 MB in the end (delta: -95.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:21,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 28.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.72 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 47.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.59 ms. Allocated memory is still 98.6 MB. Free memory was 64.5 MB in the beginning and 60.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.24 ms. Allocated memory is still 98.6 MB. Free memory was 60.8 MB in the beginning and 58.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1344.20 ms. Allocated memory is still 98.6 MB. Free memory was 57.9 MB in the beginning and 69.0 MB in the end (delta: -11.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9546.54 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 68.4 MB in the beginning and 55.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 105.3 MB. Max. memory is 16.1 GB. * Witness Printer took 236.98 ms. Allocated memory is still 182.5 MB. Free memory was 55.9 MB in the beginning and 151.1 MB in the end (delta: -95.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1237 SDslu, 1629 SDs, 0 SdLazy, 207 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 735 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 703 HoareAnnotationTreeSize, 43 FomulaSimplifications, 143626 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 20760 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 44857 SizeOfPredicates, 5 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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...