./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:19:54,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:19:54,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:19:54,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:19:54,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:19:54,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:19:54,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:19:54,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:19:54,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:19:54,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:19:54,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:19:54,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:19:54,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:19:54,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:19:54,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:19:54,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:19:54,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:19:54,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:19:54,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:19:54,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:19:54,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:19:54,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:19:54,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:19:54,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:19:54,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:19:54,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:19:54,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:19:54,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:19:54,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:19:54,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:19:54,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:19:54,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:19:54,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:19:54,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:19:54,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:19:54,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:19:54,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:19:54,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:19:54,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:19:54,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:19:54,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:19:54,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:19:54,637 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:19:54,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:19:54,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:19:54,638 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:19:54,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:19:54,638 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:19:54,638 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:19:54,638 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:19:54,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:19:54,639 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:19:54,639 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:19:54,639 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:19:54,639 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:19:54,639 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:19:54,640 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:19:54,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:19:54,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:19:54,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:19:54,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:19:54,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:19:54,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:19:54,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:19:54,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:19:54,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:19:54,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:19:54,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:19:54,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:19:54,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:19:54,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:19:54,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:19:54,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:19:54,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:19:54,644 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/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2019-11-26 02:19:54,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:19:54,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:19:54,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:19:54,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:19:54,787 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:19:54,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-11-26 02:19:54,836 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/data/88d2b7dc0/6b5e1f8b0d784cccb32881595f52664e/FLAG1e532fcfd [2019-11-26 02:19:55,375 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:19:55,386 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2019-11-26 02:19:55,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/data/88d2b7dc0/6b5e1f8b0d784cccb32881595f52664e/FLAG1e532fcfd [2019-11-26 02:19:55,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/data/88d2b7dc0/6b5e1f8b0d784cccb32881595f52664e [2019-11-26 02:19:55,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:19:55,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:19:55,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:55,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:19:55,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:19:55,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:55" (1/1) ... [2019-11-26 02:19:55,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7676ef41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:55, skipping insertion in model container [2019-11-26 02:19:55,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:55" (1/1) ... [2019-11-26 02:19:55,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:19:55,910 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:19:56,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:56,256 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:19:56,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:56,357 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:19:56,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56 WrapperNode [2019-11-26 02:19:56,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:56,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:56,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:19:56,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:19:56,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:56,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:19:56,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:19:56,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:19:56,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... [2019-11-26 02:19:56,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:19:56,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:19:56,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:19:56,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:19:56,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/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 [2019-11-26 02:19:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:19:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:19:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:19:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:19:57,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:19:57,909 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-26 02:19:57,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:57 BoogieIcfgContainer [2019-11-26 02:19:57,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:19:57,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:19:57,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:19:57,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:19:57,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:19:55" (1/3) ... [2019-11-26 02:19:57,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493e496a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:57, skipping insertion in model container [2019-11-26 02:19:57,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:56" (2/3) ... [2019-11-26 02:19:57,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493e496a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:57, skipping insertion in model container [2019-11-26 02:19:57,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:57" (3/3) ... [2019-11-26 02:19:57,917 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2019-11-26 02:19:57,925 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:19:57,933 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:19:57,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:19:57,970 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:19:57,970 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:19:57,970 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:19:57,970 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:19:57,971 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:19:57,971 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:19:57,971 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:19:57,971 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:19:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 02:19:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:19:57,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:19:57,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:19:57,989 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:19:57,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:19:57,994 INFO L82 PathProgramCache]: Analyzing trace with hash 2108235247, now seen corresponding path program 1 times [2019-11-26 02:19:58,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:19:58,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521509261] [2019-11-26 02:19:58,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:19:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:19:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:19:58,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521509261] [2019-11-26 02:19:58,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:19:58,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:19:58,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634958928] [2019-11-26 02:19:58,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:19:58,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:19:58,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:19:58,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:19:58,212 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-26 02:19:58,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:19:58,229 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2019-11-26 02:19:58,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:19:58,230 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:19:58,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:19:58,239 INFO L225 Difference]: With dead ends: 44 [2019-11-26 02:19:58,239 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:19:58,242 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 [2019-11-26 02:19:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:19:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-26 02:19:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-26 02:19:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-26 02:19:58,272 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2019-11-26 02:19:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:19:58,273 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-26 02:19:58,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:19:58,273 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-26 02:19:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:19:58,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:19:58,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:19:58,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:19:58,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:19:58,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1787322177, now seen corresponding path program 1 times [2019-11-26 02:19:58,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:19:58,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038613677] [2019-11-26 02:19:58,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:19:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:19:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:19:58,571 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:19:58,574 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:19:58,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:19:58 BoogieIcfgContainer [2019-11-26 02:19:58,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:19:58,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:19:58,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:19:58,641 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:19:58,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:57" (3/4) ... [2019-11-26 02:19:58,644 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:19:58,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d10d9f9c-1d0b-4b67-ad4c-9c6e5068f50f/bin/utaipan/witness.graphml [2019-11-26 02:19:58,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:19:58,718 INFO L168 Benchmark]: Toolchain (without parser) took 2857.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 948.8 MB in the beginning and 926.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 166.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:58,718 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:19:58,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:58,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.53 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. [2019-11-26 02:19:58,719 INFO L168 Benchmark]: Boogie Preprocessor took 34.48 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. [2019-11-26 02:19:58,720 INFO L168 Benchmark]: RCFGBuilder took 1454.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.8 MB in the end (delta: 136.1 MB). Peak memory consumption was 136.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:58,720 INFO L168 Benchmark]: TraceAbstraction took 729.38 ms. Allocated memory is still 1.2 GB. Free memory was 985.8 MB in the beginning and 932.2 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:58,721 INFO L168 Benchmark]: Witness Printer took 75.30 ms. Allocated memory is still 1.2 GB. Free memory was 932.2 MB in the beginning and 926.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:58,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 496.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.53 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 34.48 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 1454.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.8 MB in the end (delta: 136.1 MB). Peak memory consumption was 136.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 729.38 ms. Allocated memory is still 1.2 GB. Free memory was 985.8 MB in the beginning and 932.2 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Witness Printer took 75.30 ms. Allocated memory is still 1.2 GB. Free memory was 932.2 MB in the beginning and 926.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 145]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int retValue_acc ; [L529] int tmp ; [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] return (retValue_acc); [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L190] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L192] COND TRUE splverifierCounter < 4 [L198] tmp = __VERIFIER_nondet_int() [L200] COND TRUE \read(tmp) [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L208] tmp___0 = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp___0) [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L218] tmp___2 = __VERIFIER_nondet_int() [L220] COND FALSE !(\read(tmp___2)) [L224] tmp___1 = __VERIFIER_nondet_int() [L226] COND FALSE !(\read(tmp___1)) [L257] COND FALSE !(\read(pumpRunning)) [L264] COND TRUE \read(systemActive) [L286] int tmp ; [L289] COND TRUE ! pumpRunning [L383] int retValue_acc ; [L384] int tmp ; [L385] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L389] tmp = isHighWaterSensorDry() [L391] COND FALSE !(\read(tmp)) [L394] tmp___0 = 1 [L396] retValue_acc = tmp___0 [L397] return (retValue_acc); [L291] tmp = isHighWaterLevel() [L293] COND TRUE \read(tmp) [L314] pumpRunning = 1 [L152] int tmp ; [L153] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L157] tmp = isMethaneLevelCritical() [L159] COND TRUE \read(tmp) [L338] int retValue_acc ; [L341] retValue_acc = pumpRunning [L342] return (retValue_acc); [L161] tmp___0 = isPumpRunning() [L163] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L145] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 incorrect! Received shutdown request...