./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:10,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:10,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:10,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:10,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:10,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:10,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:10,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:10,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:10,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:10,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:10,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:10,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:10,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:10,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:10,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:10,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:10,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:10,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:10,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:10,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:10,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:10,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:10,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:10,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:10,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:10,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:10,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:10,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:10,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:10,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:10,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:10,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:10,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:10,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:10,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:10,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:10,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:10,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:10,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:10,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:10,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:18:10,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:10,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:10,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:10,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:10,596 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:10,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:10,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:10,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:10,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:10,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:10,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:18:10,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:10,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:18:10,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:10,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:10,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:10,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:18:10,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:10,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:10,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:10,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:10,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:10,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:10,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:10,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:18:10,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:10,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:10,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:18:10,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:10,603 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_2691f551-4229-4d9d-950f-0e4f03ea2f2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2020-11-28 03:18:10,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:10,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:10,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:10,915 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:10,916 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:10,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-28 03:18:10,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/data/624cae85e/ba1aa0e5a14a451aa41610aa3e57b836/FLAG9f7c332ae [2020-11-28 03:18:11,588 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:11,589 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2020-11-28 03:18:11,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/data/624cae85e/ba1aa0e5a14a451aa41610aa3e57b836/FLAG9f7c332ae [2020-11-28 03:18:11,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/data/624cae85e/ba1aa0e5a14a451aa41610aa3e57b836 [2020-11-28 03:18:11,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:11,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:11,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:11,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:11,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:11,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:11" (1/1) ... [2020-11-28 03:18:11,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22390f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:11, skipping insertion in model container [2020-11-28 03:18:11,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:11" (1/1) ... [2020-11-28 03:18:11,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:11,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:12,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:12,289 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:12,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:12,419 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:12,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12 WrapperNode [2020-11-28 03:18:12,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:12,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:12,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:12,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:12,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:12,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:12,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:12,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:12,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... [2020-11-28 03:18:12,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:12,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:12,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:12,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:12,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:18:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:13,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:13,687 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 03:18:13,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:13 BoogieIcfgContainer [2020-11-28 03:18:13,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:13,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:18:13,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:18:13,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:18:13,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:18:11" (1/3) ... [2020-11-28 03:18:13,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c70bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:13, skipping insertion in model container [2020-11-28 03:18:13,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:12" (2/3) ... [2020-11-28 03:18:13,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c70bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:18:13, skipping insertion in model container [2020-11-28 03:18:13,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:13" (3/3) ... [2020-11-28 03:18:13,699 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-11-28 03:18:13,710 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:18:13,715 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:18:13,726 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:18:13,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:18:13,767 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:18:13,767 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:18:13,767 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:13,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:13,767 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:18:13,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:13,767 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:18:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 03:18:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:18:13,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:13,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:13,792 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:13,798 INFO L82 PathProgramCache]: Analyzing trace with hash 944324404, now seen corresponding path program 1 times [2020-11-28 03:18:13,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:13,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441269029] [2020-11-28 03:18:13,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:14,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441269029] [2020-11-28 03:18:14,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:14,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:18:14,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116514997] [2020-11-28 03:18:14,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:18:14,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:14,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:18:14,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:14,164 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 03:18:14,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:14,206 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 03:18:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:18:14,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:18:14,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:14,220 INFO L225 Difference]: With dead ends: 151 [2020-11-28 03:18:14,221 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:18:14,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:18:14,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:18:14,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 03:18:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:18:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 03:18:14,281 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 03:18:14,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:14,281 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 03:18:14,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:18:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 03:18:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:18:14,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:14,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:14,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:18:14,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:14,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:14,288 INFO L82 PathProgramCache]: Analyzing trace with hash -102432493, now seen corresponding path program 1 times [2020-11-28 03:18:14,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:14,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375412365] [2020-11-28 03:18:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:14,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375412365] [2020-11-28 03:18:14,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:14,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:18:14,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017373641] [2020-11-28 03:18:14,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:14,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:14,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:14,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:14,443 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-28 03:18:14,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:14,457 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 03:18:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:14,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:18:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:14,462 INFO L225 Difference]: With dead ends: 73 [2020-11-28 03:18:14,462 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:18:14,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:18:14,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:18:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:18:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:18:14,468 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 03:18:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:14,468 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:18:14,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:18:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:18:14,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:14,473 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] [2020-11-28 03:18:14,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:18:14,474 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:14,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:14,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2020-11-28 03:18:14,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:14,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765561250] [2020-11-28 03:18:14,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:14,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765561250] [2020-11-28 03:18:14,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:14,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:18:14,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254158258] [2020-11-28 03:18:14,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:14,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:14,638 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-11-28 03:18:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:14,726 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2020-11-28 03:18:14,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:18:14,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 03:18:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:14,732 INFO L225 Difference]: With dead ends: 87 [2020-11-28 03:18:14,732 INFO L226 Difference]: Without dead ends: 58 [2020-11-28 03:18:14,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:18:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-28 03:18:14,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2020-11-28 03:18:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-28 03:18:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2020-11-28 03:18:14,742 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2020-11-28 03:18:14,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:14,742 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2020-11-28 03:18:14,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2020-11-28 03:18:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:18:14,748 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:14,748 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] [2020-11-28 03:18:14,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:18:14,748 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:14,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:14,749 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2020-11-28 03:18:14,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:14,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385913065] [2020-11-28 03:18:14,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:14,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385913065] [2020-11-28 03:18:14,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:14,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:14,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533050343] [2020-11-28 03:18:14,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:14,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:14,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:14,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:14,867 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 5 states. [2020-11-28 03:18:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:14,981 INFO L93 Difference]: Finished difference Result 199 states and 302 transitions. [2020-11-28 03:18:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:18:14,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 03:18:14,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:14,984 INFO L225 Difference]: With dead ends: 199 [2020-11-28 03:18:14,984 INFO L226 Difference]: Without dead ends: 151 [2020-11-28 03:18:14,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:18:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-11-28 03:18:15,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 96. [2020-11-28 03:18:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 03:18:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 137 transitions. [2020-11-28 03:18:15,004 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 137 transitions. Word has length 23 [2020-11-28 03:18:15,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:15,004 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 137 transitions. [2020-11-28 03:18:15,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2020-11-28 03:18:15,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:18:15,006 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:15,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:15,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:18:15,007 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash 255216756, now seen corresponding path program 1 times [2020-11-28 03:18:15,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:15,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063493055] [2020-11-28 03:18:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:15,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063493055] [2020-11-28 03:18:15,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:15,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:15,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676641201] [2020-11-28 03:18:15,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:18:15,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:15,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:18:15,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:18:15,113 INFO L87 Difference]: Start difference. First operand 96 states and 137 transitions. Second operand 5 states. [2020-11-28 03:18:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:15,200 INFO L93 Difference]: Finished difference Result 236 states and 349 transitions. [2020-11-28 03:18:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:18:15,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:18:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:15,201 INFO L225 Difference]: With dead ends: 236 [2020-11-28 03:18:15,201 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:18:15,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:18:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:18:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:18:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:18:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:18:15,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 03:18:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:15,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:15,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:18:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:15,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:18:15,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:18:15,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:18:15,545 INFO L270 CegarLoopResult]: At program point L828(lines 813 831) the Hoare annotation is: false [2020-11-28 03:18:15,546 INFO L270 CegarLoopResult]: At program point L828-1(lines 813 831) the Hoare annotation is: false [2020-11-28 03:18:15,546 INFO L270 CegarLoopResult]: At program point L828-2(lines 813 831) the Hoare annotation is: false [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point L663-2(lines 663 669) no Hoare annotation was computed. [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point L663-4(lines 663 669) no Hoare annotation was computed. [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,546 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,547 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,547 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:18:15,547 INFO L274 CegarLoopResult]: For program point L896(lines 896 911) no Hoare annotation was computed. [2020-11-28 03:18:15,547 INFO L277 CegarLoopResult]: At program point L270(lines 251 273) the Hoare annotation is: true [2020-11-28 03:18:15,547 INFO L270 CegarLoopResult]: At program point L237(lines 233 239) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,547 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: false [2020-11-28 03:18:15,547 INFO L270 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2020-11-28 03:18:15,547 INFO L274 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-11-28 03:18:15,548 INFO L270 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2020-11-28 03:18:15,548 INFO L270 CegarLoopResult]: At program point L188-2(lines 188 202) the Hoare annotation is: false [2020-11-28 03:18:15,548 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-28 03:18:15,548 INFO L270 CegarLoopResult]: At program point L916(lines 865 917) the Hoare annotation is: false [2020-11-28 03:18:15,548 INFO L274 CegarLoopResult]: For program point L867(lines 866 915) no Hoare annotation was computed. [2020-11-28 03:18:15,548 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:18:15,548 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,548 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L720-1(lines 720 737) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 737) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L836(lines 836 842) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L270 CegarLoopResult]: At program point L836-1(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-11-28 03:18:15,549 INFO L274 CegarLoopResult]: For program point L192-1(lines 688 694) no Hoare annotation was computed. [2020-11-28 03:18:15,550 INFO L274 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-11-28 03:18:15,550 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-11-28 03:18:15,550 INFO L274 CegarLoopResult]: For program point L93-6(lines 93 97) no Hoare annotation was computed. [2020-11-28 03:18:15,550 INFO L274 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-11-28 03:18:15,550 INFO L270 CegarLoopResult]: At program point L886-1(lines 886 892) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,550 INFO L270 CegarLoopResult]: At program point L688(lines 687 706) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,554 INFO L274 CegarLoopResult]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2020-11-28 03:18:15,554 INFO L270 CegarLoopResult]: At program point L688-2(lines 687 706) the Hoare annotation is: false [2020-11-28 03:18:15,555 INFO L270 CegarLoopResult]: At program point L688-3(lines 687 706) the Hoare annotation is: false [2020-11-28 03:18:15,555 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:18:15,555 INFO L274 CegarLoopResult]: For program point L904(lines 904 910) no Hoare annotation was computed. [2020-11-28 03:18:15,560 INFO L270 CegarLoopResult]: At program point L904-1(lines 688 694) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,561 INFO L274 CegarLoopResult]: For program point L822(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,561 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,561 INFO L274 CegarLoopResult]: For program point L822-3(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,561 INFO L274 CegarLoopResult]: For program point L822-5(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,562 INFO L274 CegarLoopResult]: For program point L822-6(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,562 INFO L274 CegarLoopResult]: For program point L822-8(lines 822 826) no Hoare annotation was computed. [2020-11-28 03:18:15,562 INFO L274 CegarLoopResult]: For program point L261(lines 261 268) no Hoare annotation was computed. [2020-11-28 03:18:15,562 INFO L270 CegarLoopResult]: At program point L773(lines 768 776) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,562 INFO L270 CegarLoopResult]: At program point L773-1(lines 768 776) the Hoare annotation is: false [2020-11-28 03:18:15,563 INFO L277 CegarLoopResult]: At program point L261-1(lines 261 268) the Hoare annotation is: true [2020-11-28 03:18:15,563 INFO L270 CegarLoopResult]: At program point L773-2(lines 768 776) the Hoare annotation is: false [2020-11-28 03:18:15,563 INFO L270 CegarLoopResult]: At program point L162(lines 157 165) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,563 INFO L270 CegarLoopResult]: At program point L162-1(lines 157 165) the Hoare annotation is: false [2020-11-28 03:18:15,563 INFO L270 CegarLoopResult]: At program point L162-2(lines 157 165) the Hoare annotation is: false [2020-11-28 03:18:15,563 INFO L274 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-11-28 03:18:15,564 INFO L274 CegarLoopResult]: For program point L724-1(lines 724 732) no Hoare annotation was computed. [2020-11-28 03:18:15,564 INFO L274 CegarLoopResult]: For program point L724-2(lines 724 732) no Hoare annotation was computed. [2020-11-28 03:18:15,564 INFO L274 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-11-28 03:18:15,565 INFO L270 CegarLoopResult]: At program point L659-1(lines 1 923) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,565 INFO L274 CegarLoopResult]: For program point L659-2(lines 659 672) no Hoare annotation was computed. [2020-11-28 03:18:15,565 INFO L270 CegarLoopResult]: At program point L659-3(lines 1 923) the Hoare annotation is: false [2020-11-28 03:18:15,565 INFO L274 CegarLoopResult]: For program point L659-4(lines 659 672) no Hoare annotation was computed. [2020-11-28 03:18:15,565 INFO L270 CegarLoopResult]: At program point L659-5(lines 1 923) the Hoare annotation is: false [2020-11-28 03:18:15,567 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:18:15,567 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:18:15,567 INFO L274 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-11-28 03:18:15,568 INFO L270 CegarLoopResult]: At program point L876-1(lines 876 882) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,568 INFO L274 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-11-28 03:18:15,568 INFO L274 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-11-28 03:18:15,568 INFO L270 CegarLoopResult]: At program point L67(lines 1 923) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 03:18:15,568 INFO L274 CegarLoopResult]: For program point L645-2(line 645) no Hoare annotation was computed. [2020-11-28 03:18:15,568 INFO L270 CegarLoopResult]: At program point L695(lines 695 701) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:18:15,569 INFO L270 CegarLoopResult]: At program point L695-1(lines 695 701) the Hoare annotation is: false [2020-11-28 03:18:15,569 INFO L274 CegarLoopResult]: For program point L117(lines 117 121) no Hoare annotation was computed. [2020-11-28 03:18:15,569 INFO L270 CegarLoopResult]: At program point L695-2(lines 695 701) the Hoare annotation is: false [2020-11-28 03:18:15,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:15 BoogieIcfgContainer [2020-11-28 03:18:15,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:18:15,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:15,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:15,607 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:15,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:13" (3/4) ... [2020-11-28 03:18:15,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:18:15,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:18:15,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:18:15,638 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:18:15,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:18:15,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:18:15,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:15,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:18:15,665 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:18:15,666 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 03:18:15,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:18:15,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2691f551-4229-4d9d-950f-0e4f03ea2f2b/bin/uautomizer/witness.graphml [2020-11-28 03:18:15,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:15,760 INFO L168 Benchmark]: Toolchain (without parser) took 3856.61 ms. Allocated memory was 86.0 MB in the beginning and 130.0 MB in the end (delta: 44.0 MB). Free memory was 55.9 MB in the beginning and 98.9 MB in the end (delta: -43.1 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,760 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:15,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.71 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 52.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 49.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,762 INFO L168 Benchmark]: Boogie Preprocessor took 74.62 ms. Allocated memory is still 86.0 MB. Free memory was 49.2 MB in the beginning and 47.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,762 INFO L168 Benchmark]: RCFGBuilder took 1083.93 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 47.0 MB in the beginning and 71.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,763 INFO L168 Benchmark]: TraceAbstraction took 1914.78 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 45.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,763 INFO L168 Benchmark]: Witness Printer took 151.44 ms. Allocated memory is still 130.0 MB. Free memory was 45.8 MB in the beginning and 98.9 MB in the end (delta: -53.1 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:15,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.71 ms. Allocated memory is still 86.0 MB. Free memory was 55.7 MB in the beginning and 52.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.13 ms. Allocated memory is still 86.0 MB. Free memory was 52.3 MB in the beginning and 49.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.62 ms. Allocated memory is still 86.0 MB. Free memory was 49.2 MB in the beginning and 47.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1083.93 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 47.0 MB in the beginning and 71.5 MB in the end (delta: -24.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1914.78 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 45.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. * Witness Printer took 151.44 ms. Allocated memory is still 130.0 MB. Free memory was 45.8 MB in the beginning and 98.9 MB in the end (delta: -53.1 MB). Peak memory consumption was 2.5 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: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 327 SDtfs, 478 SDslu, 266 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 59 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1972 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...