./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:44,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:44,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:44,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:44,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:44,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:44,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:44,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:44,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:44,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:44,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:44,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:44,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:44,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:44,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:44,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:44,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:44,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:44,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:44,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:44,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:44,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:44,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:44,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:44,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:44,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:44,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:44,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:44,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:44,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:44,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:44,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:44,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:44,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:44,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:44,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:44,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:44,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:44,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:44,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:44,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:44,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:44,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:44,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:44,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:44,625 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:44,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:44,625 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:44,625 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:44,625 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:44,626 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:44,636 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:44,636 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:44,637 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:44,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:44,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:44,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:44,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:44,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:44,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:44,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:44,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:44,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:44,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:44,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:44,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:44,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:44,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:44,640 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:44,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:44,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:44,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:44,641 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_1a5e54a7-a167-4914-928e-101902b9431b/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2019-10-22 11:24:44,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:44,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:44,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:44,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:44,694 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:44,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-10-22 11:24:44,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/data/4e24770e4/19610a72df81458bbb3f532ca47717a2/FLAG62d257272 [2019-10-22 11:24:45,229 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:45,232 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-10-22 11:24:45,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/data/4e24770e4/19610a72df81458bbb3f532ca47717a2/FLAG62d257272 [2019-10-22 11:24:45,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/data/4e24770e4/19610a72df81458bbb3f532ca47717a2 [2019-10-22 11:24:45,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:45,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:45,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:45,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:45,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:45,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:45" (1/1) ... [2019-10-22 11:24:45,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22341aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:45, skipping insertion in model container [2019-10-22 11:24:45,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:45" (1/1) ... [2019-10-22 11:24:45,584 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:45,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:46,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:46,012 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:46,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:46,103 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:46,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46 WrapperNode [2019-10-22 11:24:46,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:46,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:46,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:46,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:46,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:46,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:46,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:46,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:46,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... [2019-10-22 11:24:46,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:46,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:46,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:46,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:46,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/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 11:24:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:24:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:46,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:47,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:47,034 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 11:24:47,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:47 BoogieIcfgContainer [2019-10-22 11:24:47,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:47,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:47,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:47,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:47,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:45" (1/3) ... [2019-10-22 11:24:47,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a1d2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:47, skipping insertion in model container [2019-10-22 11:24:47,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:46" (2/3) ... [2019-10-22 11:24:47,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a1d2a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:47, skipping insertion in model container [2019-10-22 11:24:47,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:47" (3/3) ... [2019-10-22 11:24:47,055 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2019-10-22 11:24:47,065 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:47,074 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:24:47,089 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:24:47,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:47,131 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:47,131 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:47,131 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:47,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:47,131 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:47,131 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:47,131 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-10-22 11:24:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:24:47,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:47,163 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:47,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:47,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1528758621, now seen corresponding path program 1 times [2019-10-22 11:24:47,181 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:47,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155626451] [2019-10-22 11:24:47,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:47,398 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 11:24:47,398 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155626451] [2019-10-22 11:24:47,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:47,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:24:47,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430153695] [2019-10-22 11:24:47,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:24:47,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:47,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:24:47,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:24:47,421 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-10-22 11:24:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:47,449 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2019-10-22 11:24:47,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:24:47,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:24:47,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:47,464 INFO L225 Difference]: With dead ends: 208 [2019-10-22 11:24:47,464 INFO L226 Difference]: Without dead ends: 103 [2019-10-22 11:24:47,467 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 11:24:47,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-22 11:24:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-22 11:24:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-22 11:24:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2019-10-22 11:24:47,506 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2019-10-22 11:24:47,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:47,506 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2019-10-22 11:24:47,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:24:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2019-10-22 11:24:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:24:47,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:47,508 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 11:24:47,508 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:47,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:47,508 INFO L82 PathProgramCache]: Analyzing trace with hash 512126731, now seen corresponding path program 1 times [2019-10-22 11:24:47,509 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:47,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706519600] [2019-10-22 11:24:47,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:47,608 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 11:24:47,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706519600] [2019-10-22 11:24:47,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:47,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:47,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830755655] [2019-10-22 11:24:47,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:47,610 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:47,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:47,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:24:47,611 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 3 states. [2019-10-22 11:24:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:47,621 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2019-10-22 11:24:47,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:47,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:24:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:47,623 INFO L225 Difference]: With dead ends: 103 [2019-10-22 11:24:47,623 INFO L226 Difference]: Without dead ends: 45 [2019-10-22 11:24:47,624 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 11:24:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-22 11:24:47,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-10-22 11:24:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-10-22 11:24:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-10-22 11:24:47,628 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2019-10-22 11:24:47,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:47,629 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-10-22 11:24:47,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-10-22 11:24:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:24:47,630 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:47,630 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 11:24:47,630 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:47,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:47,630 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2019-10-22 11:24:47,631 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:47,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981998539] [2019-10-22 11:24:47,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:47,726 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 11:24:47,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981998539] [2019-10-22 11:24:47,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:47,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:47,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434302419] [2019-10-22 11:24:47,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:47,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:47,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:47,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:47,728 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 5 states. [2019-10-22 11:24:47,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:47,804 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2019-10-22 11:24:47,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:24:47,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:24:47,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:47,808 INFO L225 Difference]: With dead ends: 107 [2019-10-22 11:24:47,810 INFO L226 Difference]: Without dead ends: 68 [2019-10-22 11:24:47,811 INFO L600 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 [2019-10-22 11:24:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-10-22 11:24:47,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-10-22 11:24:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-22 11:24:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-10-22 11:24:47,826 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2019-10-22 11:24:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:47,826 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-10-22 11:24:47,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-10-22 11:24:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:24:47,827 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:47,827 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, 1] [2019-10-22 11:24:47,828 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:47,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:47,828 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2019-10-22 11:24:47,828 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:47,828 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499505062] [2019-10-22 11:24:47,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:47,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:47,903 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 11:24:47,903 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499505062] [2019-10-22 11:24:47,903 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:47,903 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:47,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640372306] [2019-10-22 11:24:47,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:47,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:47,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:47,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:47,905 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-10-22 11:24:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:48,056 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2019-10-22 11:24:48,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:48,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:24:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:48,060 INFO L225 Difference]: With dead ends: 309 [2019-10-22 11:24:48,060 INFO L226 Difference]: Without dead ends: 251 [2019-10-22 11:24:48,060 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2019-10-22 11:24:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2019-10-22 11:24:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 11:24:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2019-10-22 11:24:48,085 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2019-10-22 11:24:48,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:48,085 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2019-10-22 11:24:48,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2019-10-22 11:24:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:24:48,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:48,089 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, 1, 1] [2019-10-22 11:24:48,090 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash -235423010, now seen corresponding path program 1 times [2019-10-22 11:24:48,090 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:48,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116329906] [2019-10-22 11:24:48,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:48,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:48,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:48,178 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 11:24:48,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116329906] [2019-10-22 11:24:48,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:48,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:48,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872610130] [2019-10-22 11:24:48,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:48,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:48,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:48,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:48,180 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2019-10-22 11:24:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:48,259 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2019-10-22 11:24:48,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:48,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:24:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:48,263 INFO L225 Difference]: With dead ends: 312 [2019-10-22 11:24:48,263 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:48,264 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 11:24:48,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:48,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:48,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2019-10-22 11:24:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:48,265 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:48,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:48,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:48,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:48,695 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-10-22 11:24:48,695 INFO L439 ceAbstractionStarter]: At program point L895-1(lines 895 901) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,695 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 705) no Hoare annotation was computed. [2019-10-22 11:24:48,695 INFO L446 ceAbstractionStarter]: At program point L698-1(lines 698 705) the Hoare annotation is: true [2019-10-22 11:24:48,696 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,696 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,696 INFO L443 ceAbstractionStarter]: For program point L534-2(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,696 INFO L439 ceAbstractionStarter]: At program point L832(lines 827 835) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,696 INFO L439 ceAbstractionStarter]: At program point L832-1(lines 827 835) the Hoare annotation is: false [2019-10-22 11:24:48,696 INFO L439 ceAbstractionStarter]: At program point L832-2(lines 827 835) the Hoare annotation is: false [2019-10-22 11:24:48,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,697 INFO L439 ceAbstractionStarter]: At program point L603(lines 552 604) the Hoare annotation is: false [2019-10-22 11:24:48,697 INFO L439 ceAbstractionStarter]: At program point L672(lines 668 674) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:48,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,697 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-10-22 11:24:48,697 INFO L439 ceAbstractionStarter]: At program point L573-1(lines 573 579) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,698 INFO L439 ceAbstractionStarter]: At program point L937(lines 1 948) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:48,698 INFO L446 ceAbstractionStarter]: At program point L707(lines 688 710) the Hoare annotation is: true [2019-10-22 11:24:48,698 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-10-22 11:24:48,698 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 525) no Hoare annotation was computed. [2019-10-22 11:24:48,699 INFO L439 ceAbstractionStarter]: At program point L512-1(lines 1 948) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,699 INFO L443 ceAbstractionStarter]: For program point L512-2(lines 512 525) no Hoare annotation was computed. [2019-10-22 11:24:48,699 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2019-10-22 11:24:48,699 INFO L439 ceAbstractionStarter]: At program point L512-3(lines 1 948) the Hoare annotation is: false [2019-10-22 11:24:48,699 INFO L443 ceAbstractionStarter]: For program point L512-4(lines 512 525) no Hoare annotation was computed. [2019-10-22 11:24:48,699 INFO L439 ceAbstractionStarter]: At program point L512-5(lines 1 948) the Hoare annotation is: false [2019-10-22 11:24:48,699 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-10-22 11:24:48,700 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 779 796) no Hoare annotation was computed. [2019-10-22 11:24:48,700 INFO L443 ceAbstractionStarter]: For program point L779-2(lines 779 796) no Hoare annotation was computed. [2019-10-22 11:24:48,700 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,700 INFO L439 ceAbstractionStarter]: At program point L945(lines 940 948) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 11:24:48,700 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2019-10-22 11:24:48,700 INFO L443 ceAbstractionStarter]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 598) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-5(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-8(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-9(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,701 INFO L443 ceAbstractionStarter]: For program point L881-11(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L881-12(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L881-14(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L881-15(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L881-17(lines 881 885) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L783-1(lines 783 791) no Hoare annotation was computed. [2019-10-22 11:24:48,702 INFO L443 ceAbstractionStarter]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L554(lines 553 602) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753-1(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753-3(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753-4(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L753-5(lines 753 770) no Hoare annotation was computed. [2019-10-22 11:24:48,703 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456(lines 451 459) the Hoare annotation is: false [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456-1(lines 451 459) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456-3(lines 451 459) the Hoare annotation is: false [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456-4(lines 451 459) the Hoare annotation is: false [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L456-5(lines 451 459) the Hoare annotation is: false [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L721(lines 720 739) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,704 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2019-10-22 11:24:48,704 INFO L439 ceAbstractionStarter]: At program point L721-2(lines 720 739) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L721-3(lines 720 739) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887-1(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887-2(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887-3(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887-4(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L887-5(lines 872 890) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L439 ceAbstractionStarter]: At program point L623-2(lines 623 637) the Hoare annotation is: false [2019-10-22 11:24:48,705 INFO L443 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2019-10-22 11:24:48,706 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 597) no Hoare annotation was computed. [2019-10-22 11:24:48,707 INFO L439 ceAbstractionStarter]: At program point L591-1(lines 721 727) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,707 INFO L439 ceAbstractionStarter]: At program point L823(lines 816 826) the Hoare annotation is: false [2019-10-22 11:24:48,707 INFO L439 ceAbstractionStarter]: At program point L823-1(lines 816 826) the Hoare annotation is: false [2019-10-22 11:24:48,707 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,707 INFO L439 ceAbstractionStarter]: At program point L823-2(lines 816 826) the Hoare annotation is: false [2019-10-22 11:24:48,707 INFO L443 ceAbstractionStarter]: For program point L757-1(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,707 INFO L443 ceAbstractionStarter]: For program point L757-2(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L757-3(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L757-4(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L757-5(lines 757 765) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 631) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 721 727) no Hoare annotation was computed. [2019-10-22 11:24:48,708 INFO L439 ceAbstractionStarter]: At program point L728(lines 728 734) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,708 INFO L439 ceAbstractionStarter]: At program point L728-1(lines 728 734) the Hoare annotation is: false [2019-10-22 11:24:48,708 INFO L439 ceAbstractionStarter]: At program point L728-2(lines 728 734) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L563-1(lines 563 569) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~5) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497-3(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497-4(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,709 INFO L439 ceAbstractionStarter]: At program point L497-5(lines 492 500) the Hoare annotation is: false [2019-10-22 11:24:48,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:48 BoogieIcfgContainer [2019-10-22 11:24:48,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:48,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:48,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:48,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:48,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:47" (3/4) ... [2019-10-22 11:24:48,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:48,751 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:24:48,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:24:48,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:24:48,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:48,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:48,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:24:48,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:24:48,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 11:24:48,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:24:48,834 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a5e54a7-a167-4914-928e-101902b9431b/bin/utaipan/witness.graphml [2019-10-22 11:24:48,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:48,837 INFO L168 Benchmark]: Toolchain (without parser) took 3270.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.3 MB in the beginning and 878.4 MB in the end (delta: 63.9 MB). Peak memory consumption was 221.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,837 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:48,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,837 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.46 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,838 INFO L168 Benchmark]: Boogie Preprocessor took 37.73 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,838 INFO L168 Benchmark]: RCFGBuilder took 822.26 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: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,838 INFO L168 Benchmark]: TraceAbstraction took 1695.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.3 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,839 INFO L168 Benchmark]: Witness Printer took 101.98 ms. Allocated memory is still 1.2 GB. Free memory was 889.7 MB in the beginning and 878.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:48,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.46 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.73 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.26 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: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1695.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.3 MB in the end (delta: 168.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. * Witness Printer took 101.98 ms. Allocated memory is still 1.2 GB. Free memory was 889.7 MB in the beginning and 878.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 534]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 534]: 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: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((\result == 1 && 0 == methaneLevelCritical) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 432 SDtfs, 632 SDslu, 396 SDs, 0 SdLazy, 68 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 139 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 195 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3909 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 262 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4325 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...