./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.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_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/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 7e359c3e690bc34b8e145f12f51e57f299b8b0bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:11:17,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:17,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:17,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:17,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:17,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:17,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:17,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:17,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:17,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:17,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:17,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:17,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:17,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:17,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:17,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:17,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:17,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:17,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:17,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:17,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:17,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:17,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:17,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:17,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:17,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:17,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:17,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:17,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:17,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:17,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:17,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:17,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:17,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:17,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:17,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:17,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:17,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:17,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:17,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:17,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:17,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:11:17,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:17,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:17,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:17,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:17,684 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:17,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:17,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:17,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:17,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:17,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:17,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:17,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:17,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:17,689 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:17,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:17,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:17,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:17,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:17,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:17,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:17,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:17,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:17,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:17,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:17,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:17,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:17,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:17,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:17,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:17,706 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_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e359c3e690bc34b8e145f12f51e57f299b8b0bc [2020-11-30 00:11:18,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:18,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:18,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:18,089 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:18,094 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:18,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-11-30 00:11:18,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/data/d115c2689/d79831b7f6c446f6ad7bcfff796c2fff/FLAGc5d38abe5 [2020-11-30 00:11:18,865 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:18,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-11-30 00:11:18,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/data/d115c2689/d79831b7f6c446f6ad7bcfff796c2fff/FLAGc5d38abe5 [2020-11-30 00:11:19,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/data/d115c2689/d79831b7f6c446f6ad7bcfff796c2fff [2020-11-30 00:11:19,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:19,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:19,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:19,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:19,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:19,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:19,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b44c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19, skipping insertion in model container [2020-11-30 00:11:19,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:19,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:19,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:19,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:19,639 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:19,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:19,845 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:19,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19 WrapperNode [2020-11-30 00:11:19,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:19,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:19,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:19,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:19,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:19,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:19,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:19,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:19,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:19,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:19,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:19,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... [2020-11-30 00:11:20,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:20,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:20,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:20,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:20,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/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 00:11:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:21,728 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:21,729 INFO L298 CfgBuilder]: Removed 128 assume(true) statements. [2020-11-30 00:11:21,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:21 BoogieIcfgContainer [2020-11-30 00:11:21,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:21,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:21,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:21,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:21,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:19" (1/3) ... [2020-11-30 00:11:21,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b7d56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:21, skipping insertion in model container [2020-11-30 00:11:21,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:19" (2/3) ... [2020-11-30 00:11:21,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b7d56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:21, skipping insertion in model container [2020-11-30 00:11:21,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:21" (3/3) ... [2020-11-30 00:11:21,747 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-11-30 00:11:21,768 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:21,775 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:11:21,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:11:21,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:21,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:21,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:21,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:21,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:21,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:21,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:21,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-11-30 00:11:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:11:21,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:21,867 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 00:11:21,867 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1018391180, now seen corresponding path program 1 times [2020-11-30 00:11:21,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:21,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475448044] [2020-11-30 00:11:21,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:22,230 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 00:11:22,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475448044] [2020-11-30 00:11:22,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:22,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:22,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769345405] [2020-11-30 00:11:22,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:11:22,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:22,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:11:22,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:22,269 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-11-30 00:11:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:22,304 INFO L93 Difference]: Finished difference Result 183 states and 272 transitions. [2020-11-30 00:11:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:11:22,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:11:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:22,320 INFO L225 Difference]: With dead ends: 183 [2020-11-30 00:11:22,321 INFO L226 Difference]: Without dead ends: 89 [2020-11-30 00:11:22,325 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 00:11:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-30 00:11:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-11-30 00:11:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-30 00:11:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-11-30 00:11:22,387 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-11-30 00:11:22,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:22,387 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-11-30 00:11:22,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:11:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-11-30 00:11:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:11:22,390 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:22,390 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 00:11:22,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:11:22,390 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:22,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:22,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1929421933, now seen corresponding path program 1 times [2020-11-30 00:11:22,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:22,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792771824] [2020-11-30 00:11:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:22,595 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 00:11:22,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792771824] [2020-11-30 00:11:22,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:22,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:22,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341544179] [2020-11-30 00:11:22,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:22,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:22,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:22,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:22,600 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-11-30 00:11:22,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:22,623 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-11-30 00:11:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:22,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:11:22,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:22,627 INFO L225 Difference]: With dead ends: 89 [2020-11-30 00:11:22,627 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 00:11:22,630 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 00:11:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 00:11:22,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-30 00:11:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 00:11:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-11-30 00:11:22,645 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-11-30 00:11:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:22,645 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-11-30 00:11:22,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-11-30 00:11:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:11:22,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:22,647 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 00:11:22,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:11:22,648 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:22,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:22,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2020-11-30 00:11:22,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:22,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654529392] [2020-11-30 00:11:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:22,856 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 00:11:22,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654529392] [2020-11-30 00:11:22,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:22,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:22,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768711735] [2020-11-30 00:11:22,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:22,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:22,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:22,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:22,859 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-11-30 00:11:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:22,917 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-11-30 00:11:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:22,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:11:22,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:22,921 INFO L225 Difference]: With dead ends: 72 [2020-11-30 00:11:22,923 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 00:11:22,924 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 00:11:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 00:11:22,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-30 00:11:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 00:11:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-11-30 00:11:22,934 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-11-30 00:11:22,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:22,934 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-11-30 00:11:22,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-11-30 00:11:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:11:22,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:22,936 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] [2020-11-30 00:11:22,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:11:22,936 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:22,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:22,937 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2020-11-30 00:11:22,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:22,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134305355] [2020-11-30 00:11:22,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:23,039 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 00:11:23,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134305355] [2020-11-30 00:11:23,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:23,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:23,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726489658] [2020-11-30 00:11:23,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:23,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:23,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:23,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:23,043 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-11-30 00:11:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:23,108 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-11-30 00:11:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:23,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-30 00:11:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:23,110 INFO L225 Difference]: With dead ends: 95 [2020-11-30 00:11:23,110 INFO L226 Difference]: Without dead ends: 62 [2020-11-30 00:11:23,111 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 00:11:23,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-11-30 00:11:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-11-30 00:11:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-30 00:11:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-11-30 00:11:23,125 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-11-30 00:11:23,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:23,125 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-11-30 00:11:23,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:23,125 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-11-30 00:11:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 00:11:23,126 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:23,126 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] [2020-11-30 00:11:23,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:11:23,127 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:23,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:23,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2020-11-30 00:11:23,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:23,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635764530] [2020-11-30 00:11:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:23,244 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 00:11:23,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635764530] [2020-11-30 00:11:23,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:23,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:11:23,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081247486] [2020-11-30 00:11:23,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:11:23,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:23,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:11:23,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:11:23,248 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-11-30 00:11:23,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:23,472 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-11-30 00:11:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:11:23,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-30 00:11:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:23,476 INFO L225 Difference]: With dead ends: 314 [2020-11-30 00:11:23,476 INFO L226 Difference]: Without dead ends: 260 [2020-11-30 00:11:23,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:11:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-30 00:11:23,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-11-30 00:11:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-30 00:11:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-11-30 00:11:23,500 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-11-30 00:11:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:23,501 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-11-30 00:11:23,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:11:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-11-30 00:11:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:11:23,503 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:23,503 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 00:11:23,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:11:23,504 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:23,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:23,505 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2020-11-30 00:11:23,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:23,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655364792] [2020-11-30 00:11:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:23,661 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 00:11:23,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655364792] [2020-11-30 00:11:23,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:23,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:23,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349442818] [2020-11-30 00:11:23,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:11:23,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:23,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:11:23,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:11:23,665 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-11-30 00:11:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:23,866 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-11-30 00:11:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:11:23,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-30 00:11:23,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:23,868 INFO L225 Difference]: With dead ends: 212 [2020-11-30 00:11:23,868 INFO L226 Difference]: Without dead ends: 158 [2020-11-30 00:11:23,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:11:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-11-30 00:11:23,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-11-30 00:11:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-11-30 00:11:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-11-30 00:11:23,923 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-11-30 00:11:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:23,923 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-11-30 00:11:23,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:11:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-11-30 00:11:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:11:23,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:23,933 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] [2020-11-30 00:11:23,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:11:23,934 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:23,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:23,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2020-11-30 00:11:23,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:23,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861250546] [2020-11-30 00:11:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:24,074 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 00:11:24,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861250546] [2020-11-30 00:11:24,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:24,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:11:24,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340030942] [2020-11-30 00:11:24,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:11:24,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:24,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:11:24,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:11:24,078 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-11-30 00:11:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:24,157 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-11-30 00:11:24,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:11:24,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-30 00:11:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:24,164 INFO L225 Difference]: With dead ends: 412 [2020-11-30 00:11:24,165 INFO L226 Difference]: Without dead ends: 308 [2020-11-30 00:11:24,169 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 00:11:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-11-30 00:11:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-11-30 00:11:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-11-30 00:11:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-11-30 00:11:24,226 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-11-30 00:11:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:24,226 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-11-30 00:11:24,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:11:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-11-30 00:11:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:11:24,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:24,229 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 00:11:24,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:11:24,230 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:24,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:24,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2020-11-30 00:11:24,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:24,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336083660] [2020-11-30 00:11:24,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:24,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:24,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336083660] [2020-11-30 00:11:24,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:24,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:11:24,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281318440] [2020-11-30 00:11:24,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:11:24,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:24,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:11:24,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:11:24,355 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-11-30 00:11:24,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:24,523 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-11-30 00:11:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:11:24,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-11-30 00:11:24,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:24,527 INFO L225 Difference]: With dead ends: 524 [2020-11-30 00:11:24,528 INFO L226 Difference]: Without dead ends: 375 [2020-11-30 00:11:24,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:11:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-11-30 00:11:24,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-11-30 00:11:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-11-30 00:11:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-11-30 00:11:24,565 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-11-30 00:11:24,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:24,566 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-11-30 00:11:24,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:11:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-11-30 00:11:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 00:11:24,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:24,577 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, 1, 1] [2020-11-30 00:11:24,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:11:24,578 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:24,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:24,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2020-11-30 00:11:24,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:24,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366712120] [2020-11-30 00:11:24,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:24,709 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 00:11:24,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366712120] [2020-11-30 00:11:24,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:24,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:11:24,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521485774] [2020-11-30 00:11:24,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:11:24,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:24,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:11:24,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:11:24,712 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-11-30 00:11:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:25,048 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-11-30 00:11:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-30 00:11:25,049 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-11-30 00:11:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:25,057 INFO L225 Difference]: With dead ends: 1154 [2020-11-30 00:11:25,057 INFO L226 Difference]: Without dead ends: 999 [2020-11-30 00:11:25,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-11-30 00:11:25,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-11-30 00:11:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-11-30 00:11:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-11-30 00:11:25,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-11-30 00:11:25,114 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-11-30 00:11:25,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:25,118 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-11-30 00:11:25,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:11:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-11-30 00:11:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 00:11:25,122 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:25,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:25,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:11:25,125 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:25,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:25,126 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2020-11-30 00:11:25,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:25,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899519533] [2020-11-30 00:11:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:25,259 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 00:11:25,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899519533] [2020-11-30 00:11:25,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:25,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:11:25,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775016712] [2020-11-30 00:11:25,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:11:25,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:25,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:11:25,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:11:25,262 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-11-30 00:11:25,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:25,568 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-11-30 00:11:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:11:25,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-11-30 00:11:25,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:25,577 INFO L225 Difference]: With dead ends: 687 [2020-11-30 00:11:25,577 INFO L226 Difference]: Without dead ends: 121 [2020-11-30 00:11:25,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:11:25,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-30 00:11:25,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-11-30 00:11:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-30 00:11:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-11-30 00:11:25,595 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-11-30 00:11:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:25,595 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-11-30 00:11:25,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:11:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-11-30 00:11:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:11:25,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:25,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:25,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:11:25,597 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:25,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:25,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2020-11-30 00:11:25,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:25,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391185880] [2020-11-30 00:11:25,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:25,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391185880] [2020-11-30 00:11:25,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:25,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:11:25,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273421331] [2020-11-30 00:11:25,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:11:25,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:25,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:11:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:11:25,693 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 7 states. [2020-11-30 00:11:26,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:26,218 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2020-11-30 00:11:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 00:11:26,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-11-30 00:11:26,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:26,219 INFO L225 Difference]: With dead ends: 387 [2020-11-30 00:11:26,219 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:11:26,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-11-30 00:11:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:11:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:11:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:11:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:11:26,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-11-30 00:11:26,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:26,222 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:26,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:11:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:11:26,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:11:26,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:11:26,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:11:26,578 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2020-11-30 00:11:26,736 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2020-11-30 00:11:27,072 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 118 [2020-11-30 00:11:27,333 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2020-11-30 00:11:27,478 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2020-11-30 00:11:27,764 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-11-30 00:11:28,462 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-11-30 00:11:28,882 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-11-30 00:11:29,249 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-11-30 00:11:29,972 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 28 [2020-11-30 00:11:30,258 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-11-30 00:11:30,528 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-11-30 00:11:30,954 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2020-11-30 00:11:31,268 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-11-30 00:11:31,567 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2020-11-30 00:11:31,780 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-11-30 00:11:32,062 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-11-30 00:11:32,162 INFO L274 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-11-30 00:11:32,163 INFO L274 CegarLoopResult]: For program point L499-2(line 499) no Hoare annotation was computed. [2020-11-30 00:11:32,163 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:11:32,163 INFO L270 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse2) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-11-30 00:11:32,163 INFO L270 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2020-11-30 00:11:32,163 INFO L270 CegarLoopResult]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2020-11-30 00:11:32,163 INFO L274 CegarLoopResult]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-11-30 00:11:32,163 INFO L274 CegarLoopResult]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L270 CegarLoopResult]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:11:32,164 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 00:11:32,164 INFO L270 CegarLoopResult]: At program point L205(lines 156 206) the Hoare annotation is: false [2020-11-30 00:11:32,165 INFO L270 CegarLoopResult]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10 .cse6 .cse7))) [2020-11-30 00:11:32,165 INFO L270 CegarLoopResult]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2020-11-30 00:11:32,165 INFO L270 CegarLoopResult]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2020-11-30 00:11:32,165 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:11:32,165 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:11:32,165 INFO L274 CegarLoopResult]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2020-11-30 00:11:32,165 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse14 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse14 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9)))) [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2020-11-30 00:11:32,166 INFO L274 CegarLoopResult]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-11-30 00:11:32,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2020-11-30 00:11:32,166 INFO L270 CegarLoopResult]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2020-11-30 00:11:32,166 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L270 CegarLoopResult]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2020-11-30 00:11:32,167 INFO L270 CegarLoopResult]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2020-11-30 00:11:32,167 INFO L274 CegarLoopResult]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L270 CegarLoopResult]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2020-11-30 00:11:32,168 INFO L274 CegarLoopResult]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L270 CegarLoopResult]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-11-30 00:11:32,168 INFO L274 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L274 CegarLoopResult]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2020-11-30 00:11:32,168 INFO L270 CegarLoopResult]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-11-30 00:11:32,169 INFO L274 CegarLoopResult]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2020-11-30 00:11:32,169 INFO L270 CegarLoopResult]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10)))) [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2020-11-30 00:11:32,170 INFO L270 CegarLoopResult]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2020-11-30 00:11:32,170 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:11:32,171 INFO L274 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-11-30 00:11:32,171 INFO L274 CegarLoopResult]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2020-11-30 00:11:32,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:32,173 INFO L274 CegarLoopResult]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2020-11-30 00:11:32,173 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-30 00:11:32,174 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-30 00:11:32,174 INFO L274 CegarLoopResult]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-11-30 00:11:32,174 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-11-30 00:11:32,174 INFO L274 CegarLoopResult]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2020-11-30 00:11:32,174 INFO L274 CegarLoopResult]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2020-11-30 00:11:32,174 INFO L274 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-11-30 00:11:32,175 INFO L274 CegarLoopResult]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2020-11-30 00:11:32,175 INFO L274 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,175 INFO L274 CegarLoopResult]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,175 INFO L274 CegarLoopResult]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,175 INFO L274 CegarLoopResult]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,176 INFO L274 CegarLoopResult]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,176 INFO L274 CegarLoopResult]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2020-11-30 00:11:32,176 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-30 00:11:32,176 INFO L270 CegarLoopResult]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:11:32,176 INFO L270 CegarLoopResult]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2020-11-30 00:11:32,177 INFO L270 CegarLoopResult]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2020-11-30 00:11:32,177 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-11-30 00:11:32,177 INFO L270 CegarLoopResult]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse6))) [2020-11-30 00:11:32,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:11:32 BoogieIcfgContainer [2020-11-30 00:11:32,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:11:32,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:11:32,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:11:32,220 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:11:32,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:21" (3/4) ... [2020-11-30 00:11:32,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:11:32,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:11:32,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:11:32,253 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:11:32,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:11:32,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:11:32,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:32,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:11:32,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-30 00:11:32,287 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:11:32,292 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,293 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-11-30 00:11:32,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-11-30 00:11:32,294 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-30 00:11:32,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a8b887c9-4b0a-41fb-a89f-9365d7279ef2/bin/uautomizer/witness.graphml [2020-11-30 00:11:32,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:11:32,368 INFO L168 Benchmark]: Toolchain (without parser) took 13209.07 ms. Allocated memory was 96.5 MB in the beginning and 211.8 MB in the end (delta: 115.3 MB). Free memory was 66.3 MB in the beginning and 103.8 MB in the end (delta: -37.4 MB). Peak memory consumption was 76.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,368 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:32,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.49 ms. Allocated memory is still 96.5 MB. Free memory was 66.1 MB in the beginning and 62.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.46 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 59.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,370 INFO L168 Benchmark]: Boogie Preprocessor took 100.40 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,370 INFO L168 Benchmark]: RCFGBuilder took 1653.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.1 MB in the beginning and 83.3 MB in the end (delta: -26.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,371 INFO L168 Benchmark]: TraceAbstraction took 10482.58 ms. Allocated memory was 117.4 MB in the beginning and 211.8 MB in the end (delta: 94.4 MB). Free memory was 83.3 MB in the beginning and 113.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,371 INFO L168 Benchmark]: Witness Printer took 146.49 ms. Allocated memory is still 211.8 MB. Free memory was 113.2 MB in the beginning and 103.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:32,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.49 ms. Allocated memory is still 96.5 MB. Free memory was 66.1 MB in the beginning and 62.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.46 ms. Allocated memory is still 96.5 MB. Free memory was 62.7 MB in the beginning and 59.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.40 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1653.44 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 57.1 MB in the beginning and 83.3 MB in the end (delta: -26.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10482.58 ms. Allocated memory was 117.4 MB in the beginning and 211.8 MB in the end (delta: 94.4 MB). Free memory was 83.3 MB in the beginning and 113.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.1 GB. * Witness Printer took 146.49 ms. Allocated memory is still 211.8 MB. Free memory was 113.2 MB in the beginning and 103.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1030 SDtfs, 1438 SDslu, 1929 SDs, 0 SdLazy, 279 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, 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, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 279 NumberOfFragments, 1140 HoareAnnotationTreeSize, 40 FomulaSimplifications, 318668 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 40 FomulaSimplificationsInter, 25586 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...