./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.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_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/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 51c3bbda42df3e7a563a36af727e140b310abe72 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:37,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:37,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:37,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:37,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:37,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:37,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:37,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:37,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:37,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:37,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:37,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:37,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:37,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:37,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:37,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:37,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:37,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:37,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:37,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:37,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:37,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:37,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:37,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:37,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:37,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:37,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:37,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:37,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:37,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:37,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:37,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:37,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:37,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:37,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:37,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:37,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:37,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:37,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:37,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:37,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:37,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 03:00:37,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:37,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:37,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:37,830 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:00:37,830 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:00:37,830 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:00:37,830 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:00:37,831 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:00:37,831 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:00:37,831 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:00:37,832 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:00:37,832 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:00:37,832 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:00:37,833 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:00:37,833 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:00:37,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:37,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:37,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:37,835 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:00:37,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:37,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:37,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:37,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:37,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:00:37,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:37,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:37,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:37,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:37,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:00:37,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:37,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:37,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:00:37,838 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_5073019e-b3e0-4868-8ff2-cd243454a192/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-11-26 03:00:37,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:37,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:37,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:37,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:37,988 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:37,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-26 03:00:38,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/data/cdf77294b/c07b2bddb58149ddab9b58e6f323edd7/FLAG36808ddd8 [2019-11-26 03:00:38,536 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:38,537 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-11-26 03:00:38,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/data/cdf77294b/c07b2bddb58149ddab9b58e6f323edd7/FLAG36808ddd8 [2019-11-26 03:00:39,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/data/cdf77294b/c07b2bddb58149ddab9b58e6f323edd7 [2019-11-26 03:00:39,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:39,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:39,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:39,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:39,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:39,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d40d508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39, skipping insertion in model container [2019-11-26 03:00:39,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:39,116 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:39,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:39,473 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:00:39,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:00:39,596 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:00:39,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39 WrapperNode [2019-11-26 03:00:39,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:39,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:39,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:00:39,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:00:39,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:00:39,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:00:39,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:00:39,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:00:39,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... [2019-11-26 03:00:39,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:00:39,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:00:39,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:00:39,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:00:39,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/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 03:00:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:00:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:00:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:00:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:00:40,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:00:40,909 INFO L284 CfgBuilder]: Removed 66 assume(true) statements. [2019-11-26 03:00:40,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:40 BoogieIcfgContainer [2019-11-26 03:00:40,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:00:40,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 03:00:40,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 03:00:40,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 03:00:40,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 03:00:39" (1/3) ... [2019-11-26 03:00:40,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9902fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:40, skipping insertion in model container [2019-11-26 03:00:40,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:39" (2/3) ... [2019-11-26 03:00:40,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9902fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 03:00:40, skipping insertion in model container [2019-11-26 03:00:40,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:40" (3/3) ... [2019-11-26 03:00:40,918 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-11-26 03:00:40,927 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 03:00:40,933 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 03:00:40,943 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 03:00:40,964 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 03:00:40,964 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 03:00:40,965 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 03:00:40,965 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 03:00:40,965 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 03:00:40,965 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 03:00:40,965 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 03:00:40,965 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 03:00:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-26 03:00:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:00:40,991 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 03:00:40,992 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 03:00:40,993 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 03:00:40,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:00:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash -836650296, now seen corresponding path program 1 times [2019-11-26 03:00:41,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 03:00:41,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977853205] [2019-11-26 03:00:41,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 03:00:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:00:41,258 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 03:00:41,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977853205] [2019-11-26 03:00:41,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 03:00:41,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 03:00:41,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113755587] [2019-11-26 03:00:41,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 03:00:41,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 03:00:41,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 03:00:41,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 03:00:41,280 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-26 03:00:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 03:00:41,357 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2019-11-26 03:00:41,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 03:00:41,359 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 03:00:41,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 03:00:41,366 INFO L225 Difference]: With dead ends: 47 [2019-11-26 03:00:41,366 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 03:00:41,373 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 03:00:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 03:00:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 03:00:41,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 03:00:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 03:00:41,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 03:00:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 03:00:41,400 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 03:00:41,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 03:00:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 03:00:41,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:00:41,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 03:00:41,494 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,495 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L586(lines 539 587) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,495 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 03:00:41,495 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L425(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L425-1(lines 1 855) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L425-2(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L425-3(lines 1 855) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,495 INFO L440 ceAbstractionStarter]: At program point L425-4(lines 425 438) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,496 INFO L440 ceAbstractionStarter]: At program point L425-5(lines 1 855) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,496 INFO L440 ceAbstractionStarter]: At program point L772-2(lines 772 786) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,496 INFO L440 ceAbstractionStarter]: At program point L541(lines 540 585) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-11-26 03:00:41,496 INFO L444 ceAbstractionStarter]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-11-26 03:00:41,497 INFO L444 ceAbstractionStarter]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-11-26 03:00:41,497 INFO L440 ceAbstractionStarter]: At program point L776(lines 776 780) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,497 INFO L440 ceAbstractionStarter]: At program point L843(lines 843 850) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,497 INFO L440 ceAbstractionStarter]: At program point L843-1(lines 843 850) the Hoare annotation is: (= ~pumpRunning~0 0) [2019-11-26 03:00:41,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 03:00:41 BoogieIcfgContainer [2019-11-26 03:00:41,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 03:00:41,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:00:41,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:00:41,509 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:00:41,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:00:40" (3/4) ... [2019-11-26 03:00:41,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:00:41,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2019-11-26 03:00:41,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-26 03:00:41,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-26 03:00:41,527 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:00:41,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:00:41,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:41,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:00:41,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5073019e-b3e0-4868-8ff2-cd243454a192/bin/utaipan/witness.graphml [2019-11-26 03:00:41,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:00:41,599 INFO L168 Benchmark]: Toolchain (without parser) took 2536.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 987.7 MB in the end (delta: -42.9 MB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:41,599 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:41,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:41,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.33 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 03:00:41,600 INFO L168 Benchmark]: Boogie Preprocessor took 70.19 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 03:00:41,600 INFO L168 Benchmark]: RCFGBuilder took 1170.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:41,601 INFO L168 Benchmark]: TraceAbstraction took 596.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:41,601 INFO L168 Benchmark]: Witness Printer took 88.53 ms. Allocated memory is still 1.2 GB. Free memory was 993.0 MB in the beginning and 987.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:41,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 534.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.33 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. * Boogie Preprocessor took 70.19 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. * RCFGBuilder took 1170.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 596.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 88.53 ms. Allocated memory is still 1.2 GB. Free memory was 993.0 MB in the beginning and 987.7 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: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 3 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 28 SDslu, 13 SDs, 0 SdLazy, 18 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 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: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 37 HoareAnnotationTreeSize, 13 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 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 correct! Received shutdown request...