./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:29:23,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:29:23,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:29:23,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:29:23,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:29:23,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:29:23,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:29:23,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:29:23,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:29:23,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:29:23,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:29:23,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:29:23,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:29:23,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:29:23,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:29:23,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:29:23,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:29:23,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:29:23,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:29:23,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:29:23,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:29:23,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:29:23,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:29:23,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:29:23,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:29:23,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:29:23,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:29:23,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:29:23,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:29:23,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:29:23,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:29:23,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:29:23,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:29:23,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:29:23,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:29:23,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:29:23,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:29:23,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:29:23,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:29:23,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:29:23,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:29:23,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:29:23,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:29:23,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:29:23,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:29:23,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:29:23,615 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:29:23,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:29:23,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:29:23,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:29:23,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:29:23,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:29:23,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:29:23,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:29:23,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:29:23,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:29:23,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:29:23,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:29:23,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:29:23,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:29:23,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:29:23,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:29:23,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:29:23,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:29:23,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:29:23,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:29:23,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:29:23,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:29:23,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:29:23,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:29:23,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2019-11-20 09:29:23,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:29:23,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:29:23,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:29:23,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:29:23,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:29:23,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-11-20 09:29:23,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/data/67f3a06cc/d52fb3af548f4b518048d3a289f267da/FLAGcea725f7e [2019-11-20 09:29:24,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:29:24,443 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2019-11-20 09:29:24,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/data/67f3a06cc/d52fb3af548f4b518048d3a289f267da/FLAGcea725f7e [2019-11-20 09:29:24,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/data/67f3a06cc/d52fb3af548f4b518048d3a289f267da [2019-11-20 09:29:24,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:29:24,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:29:24,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:29:24,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:29:24,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:29:24,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:24" (1/1) ... [2019-11-20 09:29:24,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c49c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:24, skipping insertion in model container [2019-11-20 09:29:24,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:24" (1/1) ... [2019-11-20 09:29:24,760 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:29:24,808 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:29:25,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:29:25,242 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:29:25,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:29:25,384 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:29:25,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25 WrapperNode [2019-11-20 09:29:25,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:29:25,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:29:25,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:29:25,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:29:25,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:29:25,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:29:25,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:29:25,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:29:25,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... [2019-11-20 09:29:25,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:29:25,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:29:25,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:29:25,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:29:25,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:29:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:29:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:29:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:29:26,533 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:29:26,533 INFO L285 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-20 09:29:26,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:26 BoogieIcfgContainer [2019-11-20 09:29:26,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:29:26,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:29:26,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:29:26,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:29:26,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:24" (1/3) ... [2019-11-20 09:29:26,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf6c7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:26, skipping insertion in model container [2019-11-20 09:29:26,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:25" (2/3) ... [2019-11-20 09:29:26,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf6c7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:29:26, skipping insertion in model container [2019-11-20 09:29:26,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:26" (3/3) ... [2019-11-20 09:29:26,556 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2019-11-20 09:29:26,568 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:29:26,576 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-20 09:29:26,586 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-20 09:29:26,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:29:26,618 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:29:26,618 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:29:26,618 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:29:26,618 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:29:26,619 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:29:26,619 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:29:26,619 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:29:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-11-20 09:29:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 09:29:26,645 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:26,646 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:26,647 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:26,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:26,659 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2019-11-20 09:29:26,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:26,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767638842] [2019-11-20 09:29:26,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:26,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767638842] [2019-11-20 09:29:26,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:26,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:29:26,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194847087] [2019-11-20 09:29:26,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 09:29:26,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:27,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 09:29:27,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 09:29:27,007 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-11-20 09:29:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:27,041 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-11-20 09:29:27,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 09:29:27,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-20 09:29:27,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:27,055 INFO L225 Difference]: With dead ends: 144 [2019-11-20 09:29:27,055 INFO L226 Difference]: Without dead ends: 71 [2019-11-20 09:29:27,059 INFO L630 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 [2019-11-20 09:29:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-20 09:29:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-20 09:29:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-20 09:29:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-20 09:29:27,115 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-11-20 09:29:27,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:27,115 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-20 09:29:27,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 09:29:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-11-20 09:29:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:29:27,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:27,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:29:27,118 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:27,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:27,118 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2019-11-20 09:29:27,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:27,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113971119] [2019-11-20 09:29:27,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:27,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113971119] [2019-11-20 09:29:27,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:27,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:29:27,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994483759] [2019-11-20 09:29:27,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:27,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:27,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:27,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:27,258 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-11-20 09:29:27,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:27,271 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-11-20 09:29:27,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:27,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 09:29:27,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:27,274 INFO L225 Difference]: With dead ends: 71 [2019-11-20 09:29:27,274 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 09:29:27,275 INFO L630 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 [2019-11-20 09:29:27,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 09:29:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 09:29:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 09:29:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-20 09:29:27,282 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-20 09:29:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:27,282 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-20 09:29:27,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-20 09:29:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 09:29:27,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:27,284 INFO L410 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] [2019-11-20 09:29:27,285 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:27,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:27,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2019-11-20 09:29:27,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:27,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298730370] [2019-11-20 09:29:27,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:27,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298730370] [2019-11-20 09:29:27,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:27,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:29:27,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708111512] [2019-11-20 09:29:27,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:29:27,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:27,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:29:27,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:29:27,395 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-11-20 09:29:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:27,429 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-11-20 09:29:27,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:29:27,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-20 09:29:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:27,436 INFO L225 Difference]: With dead ends: 60 [2019-11-20 09:29:27,436 INFO L226 Difference]: Without dead ends: 33 [2019-11-20 09:29:27,437 INFO L630 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 [2019-11-20 09:29:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-20 09:29:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-20 09:29:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 09:29:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-11-20 09:29:27,450 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-11-20 09:29:27,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:27,457 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-11-20 09:29:27,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:29:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-11-20 09:29:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 09:29:27,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:27,462 INFO L410 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] [2019-11-20 09:29:27,462 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:27,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2019-11-20 09:29:27,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:27,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541460347] [2019-11-20 09:29:27,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:27,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541460347] [2019-11-20 09:29:27,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:27,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:29:27,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286294587] [2019-11-20 09:29:27,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:29:27,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:27,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:29:27,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:29:27,587 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-11-20 09:29:27,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:27,726 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-11-20 09:29:27,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 09:29:27,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 09:29:27,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:27,729 INFO L225 Difference]: With dead ends: 151 [2019-11-20 09:29:27,729 INFO L226 Difference]: Without dead ends: 124 [2019-11-20 09:29:27,730 INFO L630 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 [2019-11-20 09:29:27,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-11-20 09:29:27,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-11-20 09:29:27,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-20 09:29:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-11-20 09:29:27,744 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-11-20 09:29:27,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:27,744 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-11-20 09:29:27,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:29:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-11-20 09:29:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 09:29:27,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:29:27,746 INFO L410 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] [2019-11-20 09:29:27,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:29:27,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:29:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2019-11-20 09:29:27,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:29:27,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98806081] [2019-11-20 09:29:27,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:29:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:29:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:29:27,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98806081] [2019-11-20 09:29:27,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:29:27,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:29:27,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588067890] [2019-11-20 09:29:27,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 09:29:27,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:29:27,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 09:29:27,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:29:27,828 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-11-20 09:29:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:29:27,900 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-11-20 09:29:27,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:29:27,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-20 09:29:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:29:27,901 INFO L225 Difference]: With dead ends: 148 [2019-11-20 09:29:27,901 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:29:27,903 INFO L630 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 [2019-11-20 09:29:27,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:29:27,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:29:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:29:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:29:27,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-20 09:29:27,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:29:27,904 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:29:27,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 09:29:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:29:27,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:29:27,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:29:28,205 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,206 INFO L440 ceAbstractionStarter]: At program point L432(lines 383 433) the Hoare annotation is: false [2019-11-20 09:29:28,206 INFO L440 ceAbstractionStarter]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:28,206 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:29:28,206 INFO L440 ceAbstractionStarter]: At program point L119-2(lines 119 133) the Hoare annotation is: false [2019-11-20 09:29:28,207 INFO L444 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-20 09:29:28,207 INFO L444 ceAbstractionStarter]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-20 09:29:28,207 INFO L447 ceAbstractionStarter]: At program point L203(lines 184 206) the Hoare annotation is: true [2019-11-20 09:29:28,207 INFO L440 ceAbstractionStarter]: At program point L170(lines 166 172) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:28,207 INFO L444 ceAbstractionStarter]: For program point L385(lines 384 431) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 270) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L253-1(lines 253 270) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L253-2(lines 253 270) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-11-20 09:29:28,208 INFO L444 ceAbstractionStarter]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-11-20 09:29:28,210 INFO L444 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2019-11-20 09:29:28,210 INFO L440 ceAbstractionStarter]: At program point L221(lines 220 239) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,210 INFO L444 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-11-20 09:29:28,211 INFO L440 ceAbstractionStarter]: At program point L221-2(lines 220 239) the Hoare annotation is: false [2019-11-20 09:29:28,211 INFO L440 ceAbstractionStarter]: At program point L221-3(lines 220 239) the Hoare annotation is: false [2019-11-20 09:29:28,211 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-20 09:29:28,212 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 221 227) no Hoare annotation was computed. [2019-11-20 09:29:28,213 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-11-20 09:29:28,213 INFO L440 ceAbstractionStarter]: At program point L404-1(lines 404 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,214 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,214 INFO L444 ceAbstractionStarter]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,214 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:29:28,215 INFO L444 ceAbstractionStarter]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,215 INFO L444 ceAbstractionStarter]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,216 INFO L444 ceAbstractionStarter]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,216 INFO L444 ceAbstractionStarter]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2019-11-20 09:29:28,217 INFO L440 ceAbstractionStarter]: At program point L306(lines 301 309) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,217 INFO L440 ceAbstractionStarter]: At program point L306-1(lines 301 309) the Hoare annotation is: false [2019-11-20 09:29:28,217 INFO L440 ceAbstractionStarter]: At program point L306-2(lines 301 309) the Hoare annotation is: false [2019-11-20 09:29:28,217 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-20 09:29:28,218 INFO L440 ceAbstractionStarter]: At program point L901(lines 896 904) the Hoare annotation is: false [2019-11-20 09:29:28,218 INFO L440 ceAbstractionStarter]: At program point L422-2(lines 221 227) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,222 INFO L440 ceAbstractionStarter]: At program point L901-1(lines 896 904) the Hoare annotation is: false [2019-11-20 09:29:28,223 INFO L444 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-20 09:29:28,223 INFO L440 ceAbstractionStarter]: At program point L901-2(lines 896 904) the Hoare annotation is: false [2019-11-20 09:29:28,223 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 265) no Hoare annotation was computed. [2019-11-20 09:29:28,224 INFO L444 ceAbstractionStarter]: For program point L257-1(lines 257 265) no Hoare annotation was computed. [2019-11-20 09:29:28,224 INFO L444 ceAbstractionStarter]: For program point L257-2(lines 257 265) no Hoare annotation was computed. [2019-11-20 09:29:28,225 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,226 INFO L440 ceAbstractionStarter]: At program point L94(lines 1 904) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-20 09:29:28,226 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:29:28,226 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2019-11-20 09:29:28,227 INFO L447 ceAbstractionStarter]: At program point L194-1(lines 194 201) the Hoare annotation is: true [2019-11-20 09:29:28,227 INFO L440 ceAbstractionStarter]: At program point L228(lines 228 234) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,234 INFO L440 ceAbstractionStarter]: At program point L228-1(lines 228 234) the Hoare annotation is: false [2019-11-20 09:29:28,234 INFO L440 ceAbstractionStarter]: At program point L228-2(lines 228 234) the Hoare annotation is: false [2019-11-20 09:29:28,234 INFO L444 ceAbstractionStarter]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-11-20 09:29:28,236 INFO L444 ceAbstractionStarter]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-11-20 09:29:28,236 INFO L444 ceAbstractionStarter]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-11-20 09:29:28,236 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-11-20 09:29:28,236 INFO L440 ceAbstractionStarter]: At program point L394-1(lines 394 400) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,237 INFO L440 ceAbstractionStarter]: At program point L361(lines 346 364) the Hoare annotation is: false [2019-11-20 09:29:28,238 INFO L440 ceAbstractionStarter]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2019-11-20 09:29:28,238 INFO L440 ceAbstractionStarter]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2019-11-20 09:29:28,238 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 09:29:28,239 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,239 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 427) no Hoare annotation was computed. [2019-11-20 09:29:28,239 INFO L440 ceAbstractionStarter]: At program point L860(lines 855 863) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,240 INFO L440 ceAbstractionStarter]: At program point L860-1(lines 855 863) the Hoare annotation is: false [2019-11-20 09:29:28,240 INFO L440 ceAbstractionStarter]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-11-20 09:29:28,240 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-11-20 09:29:28,241 INFO L440 ceAbstractionStarter]: At program point L51-1(lines 1 904) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-20 09:29:28,241 INFO L444 ceAbstractionStarter]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-11-20 09:29:28,242 INFO L440 ceAbstractionStarter]: At program point L51-3(lines 1 904) the Hoare annotation is: false [2019-11-20 09:29:28,242 INFO L444 ceAbstractionStarter]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-11-20 09:29:28,242 INFO L440 ceAbstractionStarter]: At program point L51-5(lines 1 904) the Hoare annotation is: false [2019-11-20 09:29:28,242 INFO L444 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,242 INFO L444 ceAbstractionStarter]: For program point L811-1(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,243 INFO L444 ceAbstractionStarter]: For program point L811-2(line 811) no Hoare annotation was computed. [2019-11-20 09:29:28,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:29:28 BoogieIcfgContainer [2019-11-20 09:29:28,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:29:28,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:29:28,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:29:28,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:29:28,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:29:26" (3/4) ... [2019-11-20 09:29:28,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:29:28,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-20 09:29:28,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 09:29:28,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 09:29:28,316 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:29:28,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:29:28,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:29:28,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-20 09:29:28,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a0c340a-d4b6-4d6d-9eb5-30efe2700fee/bin/uautomizer/witness.graphml [2019-11-20 09:29:28,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:29:28,426 INFO L168 Benchmark]: Toolchain (without parser) took 3683.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.4 MB in the beginning and 931.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,426 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:29:28,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,427 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:29:28,428 INFO L168 Benchmark]: RCFGBuilder took 1014.59 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,429 INFO L168 Benchmark]: TraceAbstraction took 1740.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.4 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,429 INFO L168 Benchmark]: Witness Printer took 146.78 ms. Allocated memory is still 1.2 GB. Free memory was 942.4 MB in the beginning and 931.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:29:28,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 645.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1014.59 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1740.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.4 MB in the end (delta: 112.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 11.5 GB. * Witness Printer took 146.78 ms. Allocated memory is still 1.2 GB. Free memory was 942.4 MB in the beginning and 931.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 811]: 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: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, 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, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1289 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...