./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.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_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/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 c5548a4f9ab372783c382dbed65951e6f378a572 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:55:42,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:42,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:42,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:42,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:42,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:42,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:42,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:42,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:42,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:42,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:42,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:42,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:42,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:42,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:42,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:42,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:42,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:42,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:42,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:42,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:42,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:42,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:42,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:42,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:42,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:42,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:42,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:42,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:42,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:42,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:42,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:42,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:42,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:42,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:42,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:42,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:42,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:42,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:42,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:42,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:42,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:55:42,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:42,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:42,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:42,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:42,596 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:55:42,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:42,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:42,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:42,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:42,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:42,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:42,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:42,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:42,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:42,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:42,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:42,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:42,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:42,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:55:42,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:42,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:55:42,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:55:42,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:42,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:42,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:42,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:55:42,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:42,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:42,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:55:42,604 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_b1508cec-415a-402c-bd50-28250fbee8ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5548a4f9ab372783c382dbed65951e6f378a572 [2020-11-29 23:55:42,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:42,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:42,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:42,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:42,934 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:42,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-11-29 23:55:43,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/data/650183bd8/07d029818b9a46c3978b6efc28d04403/FLAG77dc17c2e [2020-11-29 23:55:43,561 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:43,561 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-11-29 23:55:43,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/data/650183bd8/07d029818b9a46c3978b6efc28d04403/FLAG77dc17c2e [2020-11-29 23:55:43,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/data/650183bd8/07d029818b9a46c3978b6efc28d04403 [2020-11-29 23:55:43,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:43,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:43,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:43,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:43,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:43,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:43" (1/1) ... [2020-11-29 23:55:43,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23022493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:43, skipping insertion in model container [2020-11-29 23:55:43,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:43" (1/1) ... [2020-11-29 23:55:43,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:43,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:44,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:44,294 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:44,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:44,444 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:44,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44 WrapperNode [2020-11-29 23:55:44,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:44,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:44,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:44,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:44,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:44,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:44,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:44,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:44,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... [2020-11-29 23:55:44,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:44,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:44,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:44,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:44,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/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 [2020-11-29 23:55:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:44,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:44,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:45,809 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:45,810 INFO L298 CfgBuilder]: Removed 180 assume(true) statements. [2020-11-29 23:55:45,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:45 BoogieIcfgContainer [2020-11-29 23:55:45,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:45,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:55:45,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:55:45,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:55:45,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:55:43" (1/3) ... [2020-11-29 23:55:45,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39df5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:45, skipping insertion in model container [2020-11-29 23:55:45,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:44" (2/3) ... [2020-11-29 23:55:45,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39df5205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:55:45, skipping insertion in model container [2020-11-29 23:55:45,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:45" (3/3) ... [2020-11-29 23:55:45,824 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-11-29 23:55:45,835 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:55:45,840 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:55:45,852 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:55:45,897 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:55:45,897 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:55:45,897 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:55:45,897 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:55:45,897 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:55:45,901 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:55:45,901 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:55:45,901 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:55:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-11-29 23:55:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:55:45,921 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:45,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:45,922 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:45,927 INFO L82 PathProgramCache]: Analyzing trace with hash 765076384, now seen corresponding path program 1 times [2020-11-29 23:55:45,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:45,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222558486] [2020-11-29 23:55:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:46,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222558486] [2020-11-29 23:55:46,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:46,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:46,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696328641] [2020-11-29 23:55:46,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:55:46,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:46,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:55:46,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:55:46,196 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2020-11-29 23:55:46,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:46,229 INFO L93 Difference]: Finished difference Result 252 states and 379 transitions. [2020-11-29 23:55:46,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:55:46,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-11-29 23:55:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:46,241 INFO L225 Difference]: With dead ends: 252 [2020-11-29 23:55:46,241 INFO L226 Difference]: Without dead ends: 124 [2020-11-29 23:55:46,245 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 [2020-11-29 23:55:46,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-11-29 23:55:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-11-29 23:55:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-29 23:55:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-11-29 23:55:46,291 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2020-11-29 23:55:46,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:46,292 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-11-29 23:55:46,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:55:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-11-29 23:55:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:55:46,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:46,296 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] [2020-11-29 23:55:46,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:55:46,296 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:46,299 INFO L82 PathProgramCache]: Analyzing trace with hash 2137107756, now seen corresponding path program 1 times [2020-11-29 23:55:46,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:46,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245953827] [2020-11-29 23:55:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:46,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245953827] [2020-11-29 23:55:46,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:46,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:46,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470272023] [2020-11-29 23:55:46,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:46,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:46,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:46,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:46,453 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-11-29 23:55:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:46,483 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2020-11-29 23:55:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:46,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-11-29 23:55:46,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:46,485 INFO L225 Difference]: With dead ends: 124 [2020-11-29 23:55:46,485 INFO L226 Difference]: Without dead ends: 53 [2020-11-29 23:55:46,486 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 [2020-11-29 23:55:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-29 23:55:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-29 23:55:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-29 23:55:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-11-29 23:55:46,493 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2020-11-29 23:55:46,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:46,493 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-11-29 23:55:46,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-11-29 23:55:46,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:55:46,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:46,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:46,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:55:46,495 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:46,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2020-11-29 23:55:46,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:46,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083270776] [2020-11-29 23:55:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:46,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083270776] [2020-11-29 23:55:46,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:46,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:46,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247960325] [2020-11-29 23:55:46,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:46,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:46,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:46,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:46,600 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-11-29 23:55:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:46,625 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-11-29 23:55:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:46,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 23:55:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:46,627 INFO L225 Difference]: With dead ends: 145 [2020-11-29 23:55:46,627 INFO L226 Difference]: Without dead ends: 99 [2020-11-29 23:55:46,628 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 [2020-11-29 23:55:46,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-29 23:55:46,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-11-29 23:55:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-29 23:55:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2020-11-29 23:55:46,645 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2020-11-29 23:55:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:46,645 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2020-11-29 23:55:46,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2020-11-29 23:55:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 23:55:46,647 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:46,647 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, 1, 1, 1, 1] [2020-11-29 23:55:46,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:55:46,647 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:46,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:46,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2020-11-29 23:55:46,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:46,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282621288] [2020-11-29 23:55:46,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:46,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282621288] [2020-11-29 23:55:46,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:46,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:46,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625484207] [2020-11-29 23:55:46,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:46,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:46,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:46,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:46,758 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2020-11-29 23:55:46,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:46,827 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2020-11-29 23:55:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:46,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-11-29 23:55:46,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:46,830 INFO L225 Difference]: With dead ends: 230 [2020-11-29 23:55:46,830 INFO L226 Difference]: Without dead ends: 142 [2020-11-29 23:55:46,831 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 [2020-11-29 23:55:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-29 23:55:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2020-11-29 23:55:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-29 23:55:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2020-11-29 23:55:46,857 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2020-11-29 23:55:46,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:46,857 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2020-11-29 23:55:46,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2020-11-29 23:55:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:55:46,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:46,859 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] [2020-11-29 23:55:46,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:55:46,859 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:46,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:46,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2020-11-29 23:55:46,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:46,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791037290] [2020-11-29 23:55:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:46,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791037290] [2020-11-29 23:55:46,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:46,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:55:46,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747262977] [2020-11-29 23:55:46,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:55:46,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:46,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:55:46,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:46,982 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2020-11-29 23:55:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:47,173 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2020-11-29 23:55:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:55:47,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-11-29 23:55:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:47,176 INFO L225 Difference]: With dead ends: 487 [2020-11-29 23:55:47,177 INFO L226 Difference]: Without dead ends: 354 [2020-11-29 23:55:47,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:55:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-29 23:55:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2020-11-29 23:55:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-29 23:55:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2020-11-29 23:55:47,216 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2020-11-29 23:55:47,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:47,217 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2020-11-29 23:55:47,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:55:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2020-11-29 23:55:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 23:55:47,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:47,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:47,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:55:47,222 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:47,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:47,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2020-11-29 23:55:47,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:47,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706904838] [2020-11-29 23:55:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:47,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706904838] [2020-11-29 23:55:47,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:47,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:55:47,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993385311] [2020-11-29 23:55:47,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:55:47,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:47,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:55:47,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:47,322 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2020-11-29 23:55:47,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:47,405 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2020-11-29 23:55:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:55:47,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 23:55:47,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:47,407 INFO L225 Difference]: With dead ends: 371 [2020-11-29 23:55:47,407 INFO L226 Difference]: Without dead ends: 240 [2020-11-29 23:55:47,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:55:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-11-29 23:55:47,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2020-11-29 23:55:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-11-29 23:55:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2020-11-29 23:55:47,443 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2020-11-29 23:55:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:47,448 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2020-11-29 23:55:47,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:55:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2020-11-29 23:55:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 23:55:47,453 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:47,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:47,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:55:47,455 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:47,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:47,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2020-11-29 23:55:47,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:47,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741088498] [2020-11-29 23:55:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:47,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741088498] [2020-11-29 23:55:47,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:47,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:55:47,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308935606] [2020-11-29 23:55:47,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:55:47,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:47,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:55:47,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:55:47,562 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 5 states. [2020-11-29 23:55:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:47,707 INFO L93 Difference]: Finished difference Result 414 states and 564 transitions. [2020-11-29 23:55:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:55:47,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 23:55:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:47,710 INFO L225 Difference]: With dead ends: 414 [2020-11-29 23:55:47,710 INFO L226 Difference]: Without dead ends: 271 [2020-11-29 23:55:47,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:55:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-11-29 23:55:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 158. [2020-11-29 23:55:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-29 23:55:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2020-11-29 23:55:47,724 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2020-11-29 23:55:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:47,724 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2020-11-29 23:55:47,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:55:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2020-11-29 23:55:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 23:55:47,726 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:47,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:47,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:55:47,726 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:47,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:47,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2020-11-29 23:55:47,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:47,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102635495] [2020-11-29 23:55:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:47,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102635495] [2020-11-29 23:55:47,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:47,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:55:47,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238114995] [2020-11-29 23:55:47,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:47,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:47,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:47,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:47,772 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2020-11-29 23:55:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:47,809 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2020-11-29 23:55:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:47,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-29 23:55:47,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:47,812 INFO L225 Difference]: With dead ends: 367 [2020-11-29 23:55:47,812 INFO L226 Difference]: Without dead ends: 216 [2020-11-29 23:55:47,812 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 [2020-11-29 23:55:47,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-11-29 23:55:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-11-29 23:55:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-29 23:55:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2020-11-29 23:55:47,830 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2020-11-29 23:55:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:47,830 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2020-11-29 23:55:47,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2020-11-29 23:55:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 23:55:47,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:47,832 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] [2020-11-29 23:55:47,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 23:55:47,832 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:47,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:47,833 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2020-11-29 23:55:47,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:47,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670932001] [2020-11-29 23:55:47,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:47,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670932001] [2020-11-29 23:55:47,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:47,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:55:47,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382997080] [2020-11-29 23:55:47,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 23:55:47,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:47,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 23:55:47,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:55:47,992 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 7 states. [2020-11-29 23:55:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:48,351 INFO L93 Difference]: Finished difference Result 1063 states and 1448 transitions. [2020-11-29 23:55:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 23:55:48,352 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-11-29 23:55:48,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:48,359 INFO L225 Difference]: With dead ends: 1063 [2020-11-29 23:55:48,359 INFO L226 Difference]: Without dead ends: 912 [2020-11-29 23:55:48,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-11-29 23:55:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-11-29 23:55:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 380. [2020-11-29 23:55:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-11-29 23:55:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2020-11-29 23:55:48,406 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 35 [2020-11-29 23:55:48,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:48,407 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2020-11-29 23:55:48,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 23:55:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2020-11-29 23:55:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 23:55:48,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:48,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:48,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:55:48,410 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:48,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:48,411 INFO L82 PathProgramCache]: Analyzing trace with hash 798985786, now seen corresponding path program 1 times [2020-11-29 23:55:48,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:48,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192160418] [2020-11-29 23:55:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 23:55:48,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192160418] [2020-11-29 23:55:48,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:48,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:48,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404051502] [2020-11-29 23:55:48,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:55:48,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:48,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:48,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:48,493 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand 3 states. [2020-11-29 23:55:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:48,575 INFO L93 Difference]: Finished difference Result 455 states and 601 transitions. [2020-11-29 23:55:48,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:48,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-29 23:55:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:48,578 INFO L225 Difference]: With dead ends: 455 [2020-11-29 23:55:48,578 INFO L226 Difference]: Without dead ends: 190 [2020-11-29 23:55:48,579 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 [2020-11-29 23:55:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-11-29 23:55:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-11-29 23:55:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-11-29 23:55:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 241 transitions. [2020-11-29 23:55:48,596 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 241 transitions. Word has length 54 [2020-11-29 23:55:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:48,597 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 241 transitions. [2020-11-29 23:55:48,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:55:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2020-11-29 23:55:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 23:55:48,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:55:48,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:48,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 23:55:48,598 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:55:48,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:48,598 INFO L82 PathProgramCache]: Analyzing trace with hash 257573148, now seen corresponding path program 1 times [2020-11-29 23:55:48,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:48,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119864714] [2020-11-29 23:55:48,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:48,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119864714] [2020-11-29 23:55:48,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858305451] [2020-11-29 23:55:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:55:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:48,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:55:48,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:55:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:55:49,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:55:49,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-11-29 23:55:49,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539331354] [2020-11-29 23:55:49,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:55:49,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:49,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:55:49,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:55:49,116 INFO L87 Difference]: Start difference. First operand 190 states and 241 transitions. Second operand 8 states. [2020-11-29 23:55:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:49,290 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2020-11-29 23:55:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:55:49,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-11-29 23:55:49,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:55:49,292 INFO L225 Difference]: With dead ends: 434 [2020-11-29 23:55:49,292 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:55:49,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-29 23:55:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:55:49,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:55:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:55:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:55:49,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-29 23:55:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:55:49,295 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:55:49,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:55:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:55:49,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:55:49,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-29 23:55:49,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:55:49,662 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-11-29 23:55:50,547 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2020-11-29 23:55:50,774 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-11-29 23:55:50,921 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-11-29 23:55:51,249 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2020-11-29 23:55:51,529 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2020-11-29 23:55:51,895 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-11-29 23:55:52,201 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2020-11-29 23:55:52,443 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-11-29 23:55:52,615 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2020-11-29 23:55:52,798 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-11-29 23:55:52,958 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 13 [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L270 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: false [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L270 CegarLoopResult]: At program point L961(lines 956 963) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 23:55:52,965 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,965 INFO L277 CegarLoopResult]: At program point L369(lines 350 372) the Hoare annotation is: true [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931(lines 922 935) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931-1(lines 922 935) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931-2(lines 922 935) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931-3(lines 922 935) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931-4(lines 922 935) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L931-5(lines 922 935) the Hoare annotation is: false [2020-11-29 23:55:52,966 INFO L274 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-11-29 23:55:52,966 INFO L270 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 23:55:52,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (or (<= ~waterLevel~0 1) .cse0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse3) (and .cse5 .cse1 .cse6 .cse7 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse5 .cse1 .cse2 .cse3 .cse4)))) [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 (= ~pumpRunning~0 1) .cse4 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2020-11-29 23:55:52,967 INFO L270 CegarLoopResult]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2020-11-29 23:55:52,967 INFO L274 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,967 INFO L274 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,967 INFO L274 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,967 INFO L274 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L274 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L274 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L971(lines 65 71) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse4 (= ~pumpRunning~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L971-1(lines 65 71) the Hoare annotation is: false [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L971-2(lines 65 71) the Hoare annotation is: false [2020-11-29 23:55:52,968 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L281-2(lines 281 295) the Hoare annotation is: false [2020-11-29 23:55:52,968 INFO L274 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L274 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-11-29 23:55:52,968 INFO L270 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (and (= ~switchedOnBeforeTS~0 1) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ~pumpRunning~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2020-11-29 23:55:52,969 INFO L270 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2020-11-29 23:55:52,969 INFO L270 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L270 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L123(lines 123 140) no Hoare annotation was computed. [2020-11-29 23:55:52,969 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L982(lines 982 999) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L270 CegarLoopResult]: At program point L982-1(lines 1 1002) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 999) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L270 CegarLoopResult]: At program point L982-3(lines 1 1002) the Hoare annotation is: false [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 999) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L270 CegarLoopResult]: At program point L982-5(lines 1 1002) the Hoare annotation is: false [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L950(line 950) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L950-1(line 950) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L274 CegarLoopResult]: For program point L950-2(line 950) no Hoare annotation was computed. [2020-11-29 23:55:52,970 INFO L270 CegarLoopResult]: At program point L918(lines 913 921) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,970 INFO L270 CegarLoopResult]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-11-29 23:55:52,971 INFO L270 CegarLoopResult]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L270 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,971 INFO L274 CegarLoopResult]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L986(lines 986 996) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L986-2(lines 986 996) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L986-4(lines 986 996) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L360(lines 360 367) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L277 CegarLoopResult]: At program point L360-1(lines 360 367) the Hoare annotation is: true [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-11-29 23:55:52,972 INFO L270 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (<= ~waterLevel~0 1) .cse0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse4 .cse2 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1))))) [2020-11-29 23:55:52,972 INFO L274 CegarLoopResult]: For program point L97(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L270 CegarLoopResult]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 (= ~pumpRunning~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)))) [2020-11-29 23:55:52,973 INFO L270 CegarLoopResult]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L270 CegarLoopResult]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2020-11-29 23:55:52,973 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 23:55:52,973 INFO L270 CegarLoopResult]: At program point L231(lines 216 234) the Hoare annotation is: false [2020-11-29 23:55:52,973 INFO L270 CegarLoopResult]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L463(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 23:55:52,974 INFO L270 CegarLoopResult]: At program point L331(lines 327 333) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926-3(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L926-5(lines 926 932) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:52,974 INFO L274 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:52,975 INFO L274 CegarLoopResult]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2020-11-29 23:55:53,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:55:53 BoogieIcfgContainer [2020-11-29 23:55:53,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:55:53,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:55:53,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:55:53,032 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:55:53,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:45" (3/4) ... [2020-11-29 23:55:53,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:55:53,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 23:55:53,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:55:53,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 23:55:53,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:55:53,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:55:53,069 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:55:53,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:55:53,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && tmp == 2) && \result == 2) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,098 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 [2020-11-29 23:55:53,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 23:55:53,109 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-11-29 23:55:53,111 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 [2020-11-29 23:55:53,111 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2020-11-29 23:55:53,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b1508cec-415a-402c-bd50-28250fbee8ba/bin/uautomizer/witness.graphml [2020-11-29 23:55:53,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:55:53,219 INFO L168 Benchmark]: Toolchain (without parser) took 9353.53 ms. Allocated memory was 90.2 MB in the beginning and 201.3 MB in the end (delta: 111.1 MB). Free memory was 59.7 MB in the beginning and 75.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,220 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 47.9 MB in the beginning and 47.8 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:55:53,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.23 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 56.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.05 ms. Allocated memory is still 90.2 MB. Free memory was 56.2 MB in the beginning and 52.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,221 INFO L168 Benchmark]: Boogie Preprocessor took 83.34 ms. Allocated memory is still 90.2 MB. Free memory was 52.4 MB in the beginning and 49.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,231 INFO L168 Benchmark]: RCFGBuilder took 1194.87 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.4 MB in the beginning and 77.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,231 INFO L168 Benchmark]: TraceAbstraction took 7214.55 ms. Allocated memory was 109.1 MB in the beginning and 201.3 MB in the end (delta: 92.3 MB). Free memory was 76.5 MB in the beginning and 85.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,231 INFO L168 Benchmark]: Witness Printer took 186.63 ms. Allocated memory is still 201.3 MB. Free memory was 85.6 MB in the beginning and 75.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:53,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory was 47.9 MB in the beginning and 47.8 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.23 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 56.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.05 ms. Allocated memory is still 90.2 MB. Free memory was 56.2 MB in the beginning and 52.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.34 ms. Allocated memory is still 90.2 MB. Free memory was 52.4 MB in the beginning and 49.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1194.87 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.4 MB in the beginning and 77.3 MB in the end (delta: -27.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7214.55 ms. Allocated memory was 109.1 MB in the beginning and 201.3 MB in the end (delta: 92.3 MB). Free memory was 76.5 MB in the beginning and 85.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 91.2 MB. Max. memory is 16.1 GB. * Witness Printer took 186.63 ms. Allocated memory is still 201.3 MB. Free memory was 85.6 MB in the beginning and 75.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && tmp == 2) && \result == 2) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((switchedOnBeforeTS == 1 && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1192 SDtfs, 1572 SDslu, 1679 SDs, 0 SdLazy, 269 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 957 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 901 HoareAnnotationTreeSize, 51 FomulaSimplifications, 87301 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11810 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 33607 SizeOfPredicates, 4 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 41/47 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...