./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51c3bbda42df3e7a563a36af727e140b310abe72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:03:23,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:03:23,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:03:23,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:03:23,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:03:23,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:03:23,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:03:23,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:03:23,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:03:23,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:03:23,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:03:23,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:03:23,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:03:23,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:03:23,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:03:23,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:03:23,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:03:23,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:03:23,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:03:23,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:03:23,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:03:23,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:03:23,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:03:23,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:03:23,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:03:23,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:03:23,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:03:23,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:03:23,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:03:23,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:03:23,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:03:23,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:03:23,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:03:23,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:03:23,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:03:23,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:03:23,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:03:23,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:03:23,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:03:23,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:03:23,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:03:23,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:03:23,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:03:23,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:03:23,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:03:23,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:03:23,449 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:03:23,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:03:23,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:03:23,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:03:23,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:03:23,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:03:23,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:03:23,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:03:23,451 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:03:23,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:03:23,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:03:23,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:03:23,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2019-12-07 15:03:23,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:03:23,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:03:23,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:03:23,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:03:23,564 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:03:23,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 15:03:23,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/data/19ac99870/0c8e682f460a4a1d9c56113678efd48d/FLAGcf517a3ae [2019-12-07 15:03:24,061 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:03:24,061 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2019-12-07 15:03:24,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/data/19ac99870/0c8e682f460a4a1d9c56113678efd48d/FLAGcf517a3ae [2019-12-07 15:03:24,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/data/19ac99870/0c8e682f460a4a1d9c56113678efd48d [2019-12-07 15:03:24,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:03:24,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:03:24,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:24,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:03:24,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:03:24,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24, skipping insertion in model container [2019-12-07 15:03:24,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:03:24,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:03:24,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:24,325 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:03:24,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:03:24,387 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:03:24,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24 WrapperNode [2019-12-07 15:03:24,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:03:24,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:03:24,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:03:24,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:03:24,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:03:24,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:03:24,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:03:24,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:03:24,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... [2019-12-07 15:03:24,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:03:24,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:03:24,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:03:24,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:03:24,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:03:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:03:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 15:03:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:03:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:03:24,836 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:03:24,836 INFO L287 CfgBuilder]: Removed 66 assume(true) statements. [2019-12-07 15:03:24,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:24 BoogieIcfgContainer [2019-12-07 15:03:24,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:03:24,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:03:24,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:03:24,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:03:24,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:03:24" (1/3) ... [2019-12-07 15:03:24,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0643bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:03:24, skipping insertion in model container [2019-12-07 15:03:24,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:03:24" (2/3) ... [2019-12-07 15:03:24,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0643bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:03:24, skipping insertion in model container [2019-12-07 15:03:24,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:24" (3/3) ... [2019-12-07 15:03:24,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-12-07 15:03:24,848 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:03:24,852 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:03:24,859 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:03:24,874 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:03:24,874 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:03:24,875 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:03:24,875 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:03:24,875 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:03:24,875 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:03:24,875 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:03:24,875 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:03:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-12-07 15:03:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 15:03:24,889 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:03:24,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:03:24,890 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:03:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:24,893 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2019-12-07 15:03:24,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:24,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965709928] [2019-12-07 15:03:24,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:03:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:03:25,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965709928] [2019-12-07 15:03:25,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:03:25,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:03:25,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647603520] [2019-12-07 15:03:25,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:03:25,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:03:25,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:03:25,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:03:25,059 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-12-07 15:03:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:03:25,074 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2019-12-07 15:03:25,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:03:25,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 15:03:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:03:25,081 INFO L225 Difference]: With dead ends: 108 [2019-12-07 15:03:25,081 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 15:03:25,083 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 [2019-12-07 15:03:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 15:03:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-12-07 15:03:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-12-07 15:03:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2019-12-07 15:03:25,112 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2019-12-07 15:03:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:03:25,113 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2019-12-07 15:03:25,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:03:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2019-12-07 15:03:25,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 15:03:25,114 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:03:25,114 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:03:25,114 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:03:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:25,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2019-12-07 15:03:25,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:25,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026624459] [2019-12-07 15:03:25,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:03:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:03:25,180 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026624459] [2019-12-07 15:03:25,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:03:25,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:03:25,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916273059] [2019-12-07 15:03:25,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:03:25,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:03:25,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:03:25,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:03:25,182 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2019-12-07 15:03:25,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:03:25,187 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2019-12-07 15:03:25,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:03:25,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 15:03:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:03:25,188 INFO L225 Difference]: With dead ends: 53 [2019-12-07 15:03:25,188 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 15:03:25,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:03:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 15:03:25,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-12-07 15:03:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 15:03:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2019-12-07 15:03:25,192 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2019-12-07 15:03:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:03:25,193 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2019-12-07 15:03:25,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:03:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2019-12-07 15:03:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 15:03:25,193 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:03:25,193 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:03:25,193 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:03:25,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:25,194 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2019-12-07 15:03:25,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:25,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562590711] [2019-12-07 15:03:25,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:03:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:03:25,268 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562590711] [2019-12-07 15:03:25,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:03:25,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 15:03:25,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382965467] [2019-12-07 15:03:25,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:03:25,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:03:25,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:03:25,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:03:25,270 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 6 states. [2019-12-07 15:03:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:03:25,423 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2019-12-07 15:03:25,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 15:03:25,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-07 15:03:25,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:03:25,426 INFO L225 Difference]: With dead ends: 142 [2019-12-07 15:03:25,427 INFO L226 Difference]: Without dead ends: 121 [2019-12-07 15:03:25,427 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-12-07 15:03:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-12-07 15:03:25,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2019-12-07 15:03:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 15:03:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2019-12-07 15:03:25,439 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 22 [2019-12-07 15:03:25,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:03:25,440 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2019-12-07 15:03:25,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:03:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2019-12-07 15:03:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 15:03:25,440 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:03:25,440 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:03:25,441 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:03:25,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:03:25,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2019-12-07 15:03:25,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:03:25,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812148377] [2019-12-07 15:03:25,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:03:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:03:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:03:25,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812148377] [2019-12-07 15:03:25,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:03:25,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:03:25,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570549322] [2019-12-07 15:03:25,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:03:25,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:03:25,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:03:25,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:03:25,494 INFO L87 Difference]: Start difference. First operand 60 states and 86 transitions. Second operand 5 states. [2019-12-07 15:03:25,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:03:25,529 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2019-12-07 15:03:25,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:03:25,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 15:03:25,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:03:25,530 INFO L225 Difference]: With dead ends: 163 [2019-12-07 15:03:25,530 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:03:25,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:03:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:03:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:03:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:03:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:03:25,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-12-07 15:03:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:03:25,532 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:03:25,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:03:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:03:25,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:03:25,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:03:25,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:03:25,618 INFO L246 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L748(lines 1 855) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L682(lines 677 685) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L682-1(lines 677 685) the Hoare annotation is: false [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L682-2(lines 677 685) the Hoare annotation is: false [2019-12-07 15:03:25,619 INFO L246 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L550-1(lines 550 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,619 INFO L242 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: false [2019-12-07 15:03:25,619 INFO L246 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-12-07 15:03:25,619 INFO L246 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L246 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L246 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L249 CegarLoopResult]: At program point L852(lines 833 855) the Hoare annotation is: true [2019-12-07 15:03:25,620 INFO L242 CegarLoopResult]: At program point L605(lines 604 623) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,620 INFO L246 CegarLoopResult]: For program point L605-1(lines 605 611) no Hoare annotation was computed. [2019-12-07 15:03:25,620 INFO L242 CegarLoopResult]: At program point L605-2(lines 604 623) the Hoare annotation is: false [2019-12-07 15:03:25,620 INFO L242 CegarLoopResult]: At program point L605-3(lines 604 623) the Hoare annotation is: false [2019-12-07 15:03:25,620 INFO L242 CegarLoopResult]: At program point L820(lines 816 822) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L523(lines 518 526) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L523-1(lines 518 526) the Hoare annotation is: false [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L523-2(lines 518 526) the Hoare annotation is: false [2019-12-07 15:03:25,621 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:03:25,621 INFO L246 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L425-1(lines 1 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,621 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L425-3(lines 1 855) the Hoare annotation is: false [2019-12-07 15:03:25,621 INFO L246 CegarLoopResult]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L425-5(lines 1 855) the Hoare annotation is: false [2019-12-07 15:03:25,621 INFO L242 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: false [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L242 CegarLoopResult]: At program point L756(lines 751 759) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (not (= 0 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L576-2(lines 605 611) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-12-07 15:03:25,622 INFO L242 CegarLoopResult]: At program point L560-1(lines 560 566) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,622 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L478(lines 478 482) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L776-1(lines 605 611) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L246 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-12-07 15:03:25,623 INFO L249 CegarLoopResult]: At program point L843-1(lines 843 850) the Hoare annotation is: true [2019-12-07 15:03:25,623 INFO L242 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 15:03:25,623 INFO L242 CegarLoopResult]: At program point L612-1(lines 612 618) the Hoare annotation is: false [2019-12-07 15:03:25,624 INFO L242 CegarLoopResult]: At program point L612-2(lines 612 618) the Hoare annotation is: false [2019-12-07 15:03:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:03:25 BoogieIcfgContainer [2019-12-07 15:03:25,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:03:25,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:03:25,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:03:25,637 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:03:25,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:03:24" (3/4) ... [2019-12-07 15:03:25,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:03:25,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:03:25,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:03:25,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:03:25,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:03:25,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:03:25,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:03:25,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:03:25,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 15:03:25,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bde8f1c0-c31a-4132-8de0-49b3731a62af/bin/uautomizer/witness.graphml [2019-12-07 15:03:25,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:03:25,700 INFO L168 Benchmark]: Toolchain (without parser) took 1618.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.9 MB in the beginning and 917.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:25,700 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:03:25,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:25,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:03:25,701 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.1 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. [2019-12-07 15:03:25,701 INFO L168 Benchmark]: RCFGBuilder took 389.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:25,702 INFO L168 Benchmark]: TraceAbstraction took 798.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 923.3 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:25,702 INFO L168 Benchmark]: Witness Printer took 62.60 ms. Allocated memory is still 1.1 GB. Free memory was 923.3 MB in the beginning and 917.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:03:25,703 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.1 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 389.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 798.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 923.3 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * Witness Printer took 62.60 ms. Allocated memory is still 1.1 GB. Free memory was 923.3 MB in the beginning and 917.9 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: 612]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && !(0 == waterLevel)) && pumpRunning == 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 279 SDslu, 308 SDs, 0 SdLazy, 86 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 4 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 66 NumberOfFragments, 99 HoareAnnotationTreeSize, 24 FomulaSimplifications, 1205 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...