./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/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 1c01eb0b5d4882b25b2cd231430133c4569ce38c ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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-cad4683 [2019-10-22 11:22:12,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:12,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:12,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:12,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:12,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:12,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:12,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:12,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:12,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:12,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:12,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:12,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:12,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:12,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:12,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:12,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:12,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:12,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:12,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:12,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:12,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:12,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:12,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:12,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:12,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:12,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:12,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:12,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:12,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:12,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:12,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:12,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:12,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:12,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:12,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:12,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:12,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:12,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:12,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:12,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:12,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:12,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:12,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:12,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:12,157 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:12,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:12,157 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:12,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:12,158 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:12,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:12,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:12,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:12,159 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:12,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:12,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:12,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:12,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:12,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:12,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:12,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:12,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:12,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:12,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:12,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:12,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:12,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:12,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:12,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:12,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:12,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:12,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:12,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:12,164 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:12,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:12,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:12,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:12,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/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 -> 1c01eb0b5d4882b25b2cd231430133c4569ce38c [2019-10-22 11:22:12,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:12,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:12,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:12,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:12,238 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:12,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-10-22 11:22:12,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/data/a38cd9463/8d2f7525b9044d1788c038e9350a8bc4/FLAG6b6d77fdf [2019-10-22 11:22:12,701 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:12,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-10-22 11:22:12,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/data/a38cd9463/8d2f7525b9044d1788c038e9350a8bc4/FLAG6b6d77fdf [2019-10-22 11:22:13,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/data/a38cd9463/8d2f7525b9044d1788c038e9350a8bc4 [2019-10-22 11:22:13,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:13,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:13,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:13,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:13,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:13,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634ad376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13, skipping insertion in model container [2019-10-22 11:22:13,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:13,107 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:13,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:13,427 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:13,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:13,538 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:13,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13 WrapperNode [2019-10-22 11:22:13,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:13,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:13,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:13,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:13,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:13,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:13,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:13,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:13,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... [2019-10-22 11:22:13,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:13,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:13,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:13,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:13,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:13,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:14,376 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:14,376 INFO L284 CfgBuilder]: Removed 74 assume(true) statements. [2019-10-22 11:22:14,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:14 BoogieIcfgContainer [2019-10-22 11:22:14,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:14,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:14,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:14,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:14,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:13" (1/3) ... [2019-10-22 11:22:14,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa70bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:14, skipping insertion in model container [2019-10-22 11:22:14,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:13" (2/3) ... [2019-10-22 11:22:14,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa70bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:14, skipping insertion in model container [2019-10-22 11:22:14,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:14" (3/3) ... [2019-10-22 11:22:14,388 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2019-10-22 11:22:14,399 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:14,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:14,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:14,451 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:14,451 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:14,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:14,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:14,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:14,452 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:14,452 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:14,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2019-10-22 11:22:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:22:14,474 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:14,475 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:14,477 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1626458267, now seen corresponding path program 1 times [2019-10-22 11:22:14,490 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:14,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139796499] [2019-10-22 11:22:14,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,491 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:14,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139796499] [2019-10-22 11:22:14,717 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:14,717 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:14,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493445774] [2019-10-22 11:22:14,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:14,722 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:14,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:14,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:14,747 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2019-10-22 11:22:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:14,778 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2019-10-22 11:22:14,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:14,779 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:22:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:14,792 INFO L225 Difference]: With dead ends: 120 [2019-10-22 11:22:14,792 INFO L226 Difference]: Without dead ends: 59 [2019-10-22 11:22:14,795 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-10-22 11:22:14,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-10-22 11:22:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-22 11:22:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-10-22 11:22:14,833 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2019-10-22 11:22:14,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:14,833 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-10-22 11:22:14,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-10-22 11:22:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:22:14,834 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:14,837 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:14,837 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:14,838 INFO L82 PathProgramCache]: Analyzing trace with hash 715427514, now seen corresponding path program 1 times [2019-10-22 11:22:14,838 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:14,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367779074] [2019-10-22 11:22:14,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,838 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:14,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367779074] [2019-10-22 11:22:14,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:14,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:14,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394335917] [2019-10-22 11:22:14,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:14,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:14,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:14,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:14,957 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2019-10-22 11:22:14,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:14,967 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-10-22 11:22:14,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:14,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:22:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:14,969 INFO L225 Difference]: With dead ends: 59 [2019-10-22 11:22:14,969 INFO L226 Difference]: Without dead ends: 29 [2019-10-22 11:22:14,970 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:14,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-10-22 11:22:14,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-10-22 11:22:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-22 11:22:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-10-22 11:22:14,975 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2019-10-22 11:22:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:14,975 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-10-22 11:22:14,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-10-22 11:22:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:14,976 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:14,977 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:14,977 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:14,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:14,977 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2019-10-22 11:22:14,977 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:14,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650389885] [2019-10-22 11:22:14,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:14,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:15,124 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650389885] [2019-10-22 11:22:15,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:15,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:15,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315718965] [2019-10-22 11:22:15,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:15,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:15,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:15,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:15,126 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2019-10-22 11:22:15,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:15,246 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2019-10-22 11:22:15,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:22:15,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 11:22:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:15,248 INFO L225 Difference]: With dead ends: 130 [2019-10-22 11:22:15,248 INFO L226 Difference]: Without dead ends: 107 [2019-10-22 11:22:15,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:15,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-22 11:22:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2019-10-22 11:22:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-10-22 11:22:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2019-10-22 11:22:15,260 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2019-10-22 11:22:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:15,260 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2019-10-22 11:22:15,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2019-10-22 11:22:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:15,261 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:15,261 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:15,262 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2019-10-22 11:22:15,263 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:15,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240342393] [2019-10-22 11:22:15,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:15,263 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:15,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:22:16,041 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:22:16,041 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:22:16,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:22:16 BoogieIcfgContainer [2019-10-22 11:22:16,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:22:16,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:22:16,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:22:16,136 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:22:16,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:14" (3/4) ... [2019-10-22 11:22:16,139 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:22:16,244 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ba10ff7-f642-428d-b63f-164448720569/bin/utaipan/witness.graphml [2019-10-22 11:22:16,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:22:16,247 INFO L168 Benchmark]: Toolchain (without parser) took 3187.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.1 MB in the beginning and 840.3 MB in the end (delta: 98.9 MB). Peak memory consumption was 232.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,247 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:16,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.54 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,249 INFO L168 Benchmark]: Boogie Preprocessor took 39.35 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. [2019-10-22 11:22:16,249 INFO L168 Benchmark]: RCFGBuilder took 734.08 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,250 INFO L168 Benchmark]: TraceAbstraction took 1756.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.7 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,251 INFO L168 Benchmark]: Witness Printer took 108.80 ms. Allocated memory is still 1.2 GB. Free memory was 853.7 MB in the beginning and 840.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:16,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 479.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.54 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.35 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 734.08 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1756.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 853.7 MB in the end (delta: 201.0 MB). Peak memory consumption was 201.0 MB. Max. memory is 11.5 GB. * Witness Printer took 108.80 ms. Allocated memory is still 1.2 GB. Free memory was 853.7 MB in the beginning and 840.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; [L855] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...