./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 414a1cf94d85c55960b208d82c3570ad577d615a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:20,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:20,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:20,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:20,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:20,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:20,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:20,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:20,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:20,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:20,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:20,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:20,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:20,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:20,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:20,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:20,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:20,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:20,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:20,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:20,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:20,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:20,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:20,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:20,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:20,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:20,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:20,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:20,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:20,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:20,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:20,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:20,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:20,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:20,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:20,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:20,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:20,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:20,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:20,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:20,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:20,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:27:20,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:20,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:20,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:20,617 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:20,618 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:20,618 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:20,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:20,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:20,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:20,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:20,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:20,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:20,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:20,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:20,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:20,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:20,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:20,622 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 414a1cf94d85c55960b208d82c3570ad577d615a [2019-10-22 11:27:20,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:20,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:20,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:20,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:20,672 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:20,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-10-22 11:27:20,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/data/123ebc9a5/fe2ef925c0e14bb38d7221c390f07a70/FLAGc92eae6fa [2019-10-22 11:27:21,166 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:21,167 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2019-10-22 11:27:21,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/data/123ebc9a5/fe2ef925c0e14bb38d7221c390f07a70/FLAGc92eae6fa [2019-10-22 11:27:21,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/data/123ebc9a5/fe2ef925c0e14bb38d7221c390f07a70 [2019-10-22 11:27:21,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:21,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:21,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:21,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:21,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b479be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21, skipping insertion in model container [2019-10-22 11:27:21,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:21,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:21,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,601 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:21,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,738 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:21,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21 WrapperNode [2019-10-22 11:27:21,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:21,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:21,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:21,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:21,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:21,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:21,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:21,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/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 [2019-10-22 11:27:21,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:21,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:27:21,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:22,574 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:22,574 INFO L284 CfgBuilder]: Removed 66 assume(true) statements. [2019-10-22 11:27:22,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22 BoogieIcfgContainer [2019-10-22 11:27:22,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:22,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:22,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:22,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:22,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:21" (1/3) ... [2019-10-22 11:27:22,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfd0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (2/3) ... [2019-10-22 11:27:22,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bfd0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22" (3/3) ... [2019-10-22 11:27:22,585 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-10-22 11:27:22,595 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:22,603 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:27:22,616 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:27:22,644 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:22,645 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:22,645 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:22,645 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:22,646 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:22,646 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:22,646 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:22,646 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-10-22 11:27:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:22,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,666 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:22,668 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:22,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,673 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-10-22 11:27:22,681 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:22,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006144345] [2019-10-22 11:27:22,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:22,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006144345] [2019-10-22 11:27:22,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:22,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:22,861 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232160027] [2019-10-22 11:27:22,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:22,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:22,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:22,885 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-10-22 11:27:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:22,907 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-10-22 11:27:22,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:22,908 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:27:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:22,922 INFO L225 Difference]: With dead ends: 108 [2019-10-22 11:27:22,922 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:27:22,928 INFO L600 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 [2019-10-22 11:27:22,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:27:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:27:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:27:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-10-22 11:27:22,972 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-10-22 11:27:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:22,973 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-10-22 11:27:22,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-10-22 11:27:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:27:22,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,974 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:22,975 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-10-22 11:27:22,975 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:22,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508201982] [2019-10-22 11:27:22,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:23,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508201982] [2019-10-22 11:27:23,110 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:23,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:23,111 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311462419] [2019-10-22 11:27:23,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:23,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:23,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:23,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:23,113 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-10-22 11:27:23,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:23,133 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-10-22 11:27:23,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:23,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:27:23,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:23,135 INFO L225 Difference]: With dead ends: 53 [2019-10-22 11:27:23,135 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 11:27:23,136 INFO L600 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 [2019-10-22 11:27:23,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 11:27:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-22 11:27:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-22 11:27:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-10-22 11:27:23,142 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-10-22 11:27:23,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:23,143 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-10-22 11:27:23,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-10-22 11:27:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:23,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:23,146 INFO L380 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] [2019-10-22 11:27:23,146 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:23,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-10-22 11:27:23,147 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:23,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87817792] [2019-10-22 11:27:23,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:23,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:23,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:23,262 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87817792] [2019-10-22 11:27:23,263 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:23,263 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:23,263 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577746838] [2019-10-22 11:27:23,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:23,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:23,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:23,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:23,264 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-10-22 11:27:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:23,495 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-10-22 11:27:23,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:27:23,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:27:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:23,499 INFO L225 Difference]: With dead ends: 142 [2019-10-22 11:27:23,499 INFO L226 Difference]: Without dead ends: 121 [2019-10-22 11:27:23,500 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:27:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-22 11:27:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-10-22 11:27:23,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:27:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-10-22 11:27:23,512 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-10-22 11:27:23,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:23,512 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-10-22 11:27:23,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-10-22 11:27:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:27:23,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:23,514 INFO L380 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] [2019-10-22 11:27:23,514 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:27:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:23,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-10-22 11:27:23,514 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:23,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778900898] [2019-10-22 11:27:23,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:23,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:23,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:23,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778900898] [2019-10-22 11:27:23,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:23,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:23,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550372433] [2019-10-22 11:27:23,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:23,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:23,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:23,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:23,649 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-10-22 11:27:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:23,745 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-10-22 11:27:23,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:23,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 11:27:23,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:23,748 INFO L225 Difference]: With dead ends: 163 [2019-10-22 11:27:23,748 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:23,749 INFO L600 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 [2019-10-22 11:27:23,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:23,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:23,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-10-22 11:27:23,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:23,750 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:23,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:23,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:23,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:23,951 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:23,952 INFO L439 ceAbstractionStarter]: At program point L202(lines 201 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,952 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 202 208) no Hoare annotation was computed. [2019-10-22 11:27:23,952 INFO L439 ceAbstractionStarter]: At program point L202-2(lines 201 220) the Hoare annotation is: false [2019-10-22 11:27:23,952 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-22 11:27:23,952 INFO L439 ceAbstractionStarter]: At program point L202-3(lines 201 220) the Hoare annotation is: false [2019-10-22 11:27:23,952 INFO L443 ceAbstractionStarter]: For program point L103-1(lines 202 208) no Hoare annotation was computed. [2019-10-22 11:27:23,953 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,953 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-10-22 11:27:23,953 INFO L439 ceAbstractionStarter]: At program point L74(lines 1 838) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 11:27:23,953 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-22 11:27:23,953 INFO L439 ceAbstractionStarter]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,953 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:23,954 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-10-22 11:27:23,954 INFO L446 ceAbstractionStarter]: At program point L174-1(lines 174 181) the Hoare annotation is: true [2019-10-22 11:27:23,954 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,954 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-10-22 11:27:23,954 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 1 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,954 INFO L443 ceAbstractionStarter]: For program point L456-2(lines 456 469) no Hoare annotation was computed. [2019-10-22 11:27:23,955 INFO L439 ceAbstractionStarter]: At program point L456-3(lines 1 838) the Hoare annotation is: false [2019-10-22 11:27:23,955 INFO L443 ceAbstractionStarter]: For program point L456-4(lines 456 469) no Hoare annotation was computed. [2019-10-22 11:27:23,955 INFO L439 ceAbstractionStarter]: At program point L456-5(lines 1 838) the Hoare annotation is: false [2019-10-22 11:27:23,958 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,958 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 378) no Hoare annotation was computed. [2019-10-22 11:27:23,958 INFO L443 ceAbstractionStarter]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2019-10-22 11:27:23,958 INFO L439 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,958 INFO L439 ceAbstractionStarter]: At program point L209-1(lines 209 215) the Hoare annotation is: false [2019-10-22 11:27:23,958 INFO L443 ceAbstractionStarter]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2019-10-22 11:27:23,959 INFO L439 ceAbstractionStarter]: At program point L209-2(lines 209 215) the Hoare annotation is: false [2019-10-22 11:27:23,959 INFO L443 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,959 INFO L443 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,959 INFO L443 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-10-22 11:27:23,959 INFO L439 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: false [2019-10-22 11:27:23,959 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:23,959 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 353) no Hoare annotation was computed. [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L261(lines 256 264) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L261-1(lines 256 264) the Hoare annotation is: false [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L261-2(lines 256 264) the Hoare annotation is: false [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L443(lines 438 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L443-1(lines 438 446) the Hoare annotation is: false [2019-10-22 11:27:23,960 INFO L439 ceAbstractionStarter]: At program point L443-2(lines 438 446) the Hoare annotation is: false [2019-10-22 11:27:23,960 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-10-22 11:27:23,961 INFO L443 ceAbstractionStarter]: For program point L460-2(lines 460 466) no Hoare annotation was computed. [2019-10-22 11:27:23,961 INFO L443 ceAbstractionStarter]: For program point L460-4(lines 460 466) no Hoare annotation was computed. [2019-10-22 11:27:23,961 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:27:23,961 INFO L443 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-10-22 11:27:23,961 INFO L439 ceAbstractionStarter]: At program point L82(lines 77 85) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 11:27:23,961 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-10-22 11:27:23,961 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 318) no Hoare annotation was computed. [2019-10-22 11:27:23,962 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 11:27:23,962 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:27:23,962 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 202 208) no Hoare annotation was computed. [2019-10-22 11:27:23,962 INFO L446 ceAbstractionStarter]: At program point L183(lines 164 186) the Hoare annotation is: true [2019-10-22 11:27:23,962 INFO L439 ceAbstractionStarter]: At program point L150(lines 146 152) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-10-22 11:27:23,962 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2019-10-22 11:27:23,962 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-22 11:27:23,963 INFO L439 ceAbstractionStarter]: At program point L332-1(lines 332 338) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:27:23,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:23 BoogieIcfgContainer [2019-10-22 11:27:23,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:23,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:23,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:23,979 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:23,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22" (3/4) ... [2019-10-22 11:27:23,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:23,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:27:23,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:27:23,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:27:23,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:23,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:23,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:27:24,026 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:27:24,072 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fdf0d294-de56-4691-ac97-3406d7bb455d/bin/utaipan/witness.graphml [2019-10-22 11:27:24,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:24,079 INFO L168 Benchmark]: Toolchain (without parser) took 2885.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.4 MB in the beginning and 957.5 MB in the end (delta: -17.0 MB). Peak memory consumption was 130.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,080 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:24,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,081 INFO L168 Benchmark]: Boogie Preprocessor took 33.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,081 INFO L168 Benchmark]: RCFGBuilder took 742.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,081 INFO L168 Benchmark]: TraceAbstraction took 1399.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.2 MB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,082 INFO L168 Benchmark]: Witness Printer took 99.13 ms. Allocated memory is still 1.2 GB. Free memory was 964.2 MB in the beginning and 957.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:24,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 742.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1399.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.2 MB in the end (delta: 107.6 MB). Peak memory consumption was 107.6 MB. Max. memory is 11.5 GB. * Witness Printer took 99.13 ms. Allocated memory is still 1.2 GB. Free memory was 964.2 MB in the beginning and 957.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...