./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:40:32,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:40:32,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:40:32,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:40:32,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:40:32,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:40:32,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:40:32,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:40:32,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:40:32,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:40:32,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:40:32,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:40:32,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:40:32,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:40:32,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:40:32,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:40:32,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:40:32,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:40:32,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:40:32,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:40:32,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:40:32,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:40:32,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:40:32,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:40:32,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:40:32,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:40:32,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:40:32,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:40:32,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:40:32,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:40:32,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:40:32,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:40:32,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:40:32,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:40:32,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:40:32,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:40:32,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:40:32,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:40:32,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:40:32,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:40:32,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:40:32,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:40:32,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:40:32,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:40:32,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:40:32,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:40:32,357 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:40:32,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:40:32,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:40:32,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:40:32,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:40:32,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:40:32,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:40:32,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:40:32,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:40:32,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:40:32,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:40:32,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:40:32,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:40:32,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:40:32,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:40:32,362 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_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2019-12-07 16:40:32,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:40:32,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:40:32,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:40:32,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:40:32,478 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:40:32,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-12-07 16:40:32,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/data/d2c9f9235/ad819a0fa4284b93af35827c7c629bd5/FLAG2d58a6798 [2019-12-07 16:40:33,016 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:40:33,017 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-12-07 16:40:33,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/data/d2c9f9235/ad819a0fa4284b93af35827c7c629bd5/FLAG2d58a6798 [2019-12-07 16:40:33,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/data/d2c9f9235/ad819a0fa4284b93af35827c7c629bd5 [2019-12-07 16:40:33,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:40:33,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:40:33,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:33,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:40:33,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:40:33,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cce1fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33, skipping insertion in model container [2019-12-07 16:40:33,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:40:33,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:40:33,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:33,341 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:40:33,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:40:33,407 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:40:33,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33 WrapperNode [2019-12-07 16:40:33,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:40:33,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:40:33,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:40:33,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:40:33,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:40:33,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:40:33,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:40:33,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:40:33,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... [2019-12-07 16:40:33,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:40:33,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:40:33,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:40:33,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:40:33,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/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 16:40:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:40:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:40:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:40:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:40:33,861 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:40:33,862 INFO L287 CfgBuilder]: Removed 96 assume(true) statements. [2019-12-07 16:40:33,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:33 BoogieIcfgContainer [2019-12-07 16:40:33,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:40:33,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:40:33,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:40:33,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:40:33,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:40:33" (1/3) ... [2019-12-07 16:40:33,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce2884b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:40:33, skipping insertion in model container [2019-12-07 16:40:33,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:40:33" (2/3) ... [2019-12-07 16:40:33,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce2884b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:40:33, skipping insertion in model container [2019-12-07 16:40:33,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:33" (3/3) ... [2019-12-07 16:40:33,867 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2019-12-07 16:40:33,873 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:40:33,878 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:40:33,885 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:40:33,900 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:40:33,900 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:40:33,900 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:40:33,900 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:40:33,900 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:40:33,900 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:40:33,900 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:40:33,900 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:40:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-12-07 16:40:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 16:40:33,915 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:33,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:33,916 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:33,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:33,919 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2019-12-07 16:40:33,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:40:33,925 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225095407] [2019-12-07 16:40:33,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:40:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:34,071 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 16:40:34,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225095407] [2019-12-07 16:40:34,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:34,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:40:34,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219936] [2019-12-07 16:40:34,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:40:34,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:40:34,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:40:34,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:40:34,085 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-12-07 16:40:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:34,102 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-12-07 16:40:34,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:40:34,103 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 16:40:34,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:34,110 INFO L225 Difference]: With dead ends: 144 [2019-12-07 16:40:34,110 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 16:40:34,112 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 16:40:34,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 16:40:34,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 16:40:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 16:40:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-12-07 16:40:34,138 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2019-12-07 16:40:34,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:34,139 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-12-07 16:40:34,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:40:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-12-07 16:40:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:40:34,139 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:34,139 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 16:40:34,140 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:34,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:34,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2019-12-07 16:40:34,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:40:34,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681730229] [2019-12-07 16:40:34,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:40:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:34,195 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 16:40:34,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681730229] [2019-12-07 16:40:34,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:34,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:40:34,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978587772] [2019-12-07 16:40:34,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:40:34,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:40:34,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:40:34,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:40:34,197 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-12-07 16:40:34,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:34,203 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-12-07 16:40:34,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:40:34,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-07 16:40:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:34,204 INFO L225 Difference]: With dead ends: 71 [2019-12-07 16:40:34,205 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 16:40:34,205 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 16:40:34,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 16:40:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 16:40:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 16:40:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 16:40:34,209 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 16:40:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:34,209 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 16:40:34,209 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:40:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 16:40:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 16:40:34,209 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:34,210 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 16:40:34,210 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:34,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:34,210 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2019-12-07 16:40:34,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:40:34,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307218126] [2019-12-07 16:40:34,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:40:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:34,265 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 16:40:34,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307218126] [2019-12-07 16:40:34,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:34,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:40:34,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202589403] [2019-12-07 16:40:34,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:40:34,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:40:34,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:40:34,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:40:34,267 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2019-12-07 16:40:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:34,356 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-12-07 16:40:34,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:40:34,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-12-07 16:40:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:34,357 INFO L225 Difference]: With dead ends: 60 [2019-12-07 16:40:34,358 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 16:40:34,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:40:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 16:40:34,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 16:40:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 16:40:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-12-07 16:40:34,362 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2019-12-07 16:40:34,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:34,362 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-12-07 16:40:34,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:40:34,362 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-12-07 16:40:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 16:40:34,363 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:34,363 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 16:40:34,363 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:34,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2019-12-07 16:40:34,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:40:34,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872589991] [2019-12-07 16:40:34,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:40:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:34,407 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 16:40:34,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872589991] [2019-12-07 16:40:34,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:34,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:40:34,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104405971] [2019-12-07 16:40:34,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:40:34,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:40:34,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:40:34,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:40:34,408 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-12-07 16:40:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:34,461 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 16:40:34,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:40:34,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-12-07 16:40:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:34,463 INFO L225 Difference]: With dead ends: 151 [2019-12-07 16:40:34,463 INFO L226 Difference]: Without dead ends: 124 [2019-12-07 16:40:34,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:40:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-12-07 16:40:34,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2019-12-07 16:40:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 16:40:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-12-07 16:40:34,470 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-12-07 16:40:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:34,471 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-12-07 16:40:34,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:40:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-12-07 16:40:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:40:34,471 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:40:34,472 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:40:34,472 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:40:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:40:34,472 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2019-12-07 16:40:34,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:40:34,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952473799] [2019-12-07 16:40:34,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:40:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:40:34,512 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 16:40:34,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952473799] [2019-12-07 16:40:34,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:40:34,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:40:34,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238633944] [2019-12-07 16:40:34,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:40:34,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:40:34,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:40:34,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:40:34,514 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-12-07 16:40:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:40:34,555 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2019-12-07 16:40:34,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:40:34,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-12-07 16:40:34,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:40:34,556 INFO L225 Difference]: With dead ends: 148 [2019-12-07 16:40:34,556 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:40:34,557 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 16:40:34,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:40:34,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:40:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:40:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:40:34,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-12-07 16:40:34,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:40:34,558 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:40:34,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:40:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:40:34,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:40:34,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:40:34,706 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 16:40:34,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,706 INFO L242 CegarLoopResult]: At program point L498(lines 494 500) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-12-07 16:40:34,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:40:34,706 INFO L246 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-12-07 16:40:34,707 INFO L246 CegarLoopResult]: For program point L451-1(lines 560 566) no Hoare annotation was computed. [2019-12-07 16:40:34,707 INFO L242 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,707 INFO L246 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:40:34,707 INFO L242 CegarLoopResult]: At program point L567-1(lines 567 573) the Hoare annotation is: false [2019-12-07 16:40:34,707 INFO L249 CegarLoopResult]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-12-07 16:40:34,707 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:40:34,707 INFO L242 CegarLoopResult]: At program point L567-2(lines 567 573) the Hoare annotation is: false [2019-12-07 16:40:34,707 INFO L246 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2019-12-07 16:40:34,708 INFO L246 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L815-1(lines 815 821) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L749(lines 744 752) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L749-1(lines 744 752) the Hoare annotation is: false [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L749-2(lines 744 752) the Hoare annotation is: false [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L700(lines 685 703) the Hoare annotation is: false [2019-12-07 16:40:34,708 INFO L242 CegarLoopResult]: At program point L700-1(lines 685 703) the Hoare annotation is: false [2019-12-07 16:40:34,709 INFO L242 CegarLoopResult]: At program point L700-2(lines 685 703) the Hoare annotation is: false [2019-12-07 16:40:34,709 INFO L242 CegarLoopResult]: At program point L882(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:40:34,709 INFO L242 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: false [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:40:34,709 INFO L246 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-12-07 16:40:34,710 INFO L249 CegarLoopResult]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-12-07 16:40:34,710 INFO L246 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2019-12-07 16:40:34,710 INFO L242 CegarLoopResult]: At program point L790(lines 785 793) the Hoare annotation is: false [2019-12-07 16:40:34,710 INFO L242 CegarLoopResult]: At program point L790-1(lines 785 793) the Hoare annotation is: false [2019-12-07 16:40:34,710 INFO L246 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-12-07 16:40:34,710 INFO L242 CegarLoopResult]: At program point L790-2(lines 785 793) the Hoare annotation is: false [2019-12-07 16:40:34,710 INFO L246 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2019-12-07 16:40:34,710 INFO L246 CegarLoopResult]: For program point L592-1(lines 592 609) no Hoare annotation was computed. [2019-12-07 16:40:34,710 INFO L246 CegarLoopResult]: For program point L592-2(lines 592 609) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L246 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L246 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L246 CegarLoopResult]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L246 CegarLoopResult]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L242 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-12-07 16:40:34,711 INFO L242 CegarLoopResult]: At program point L560(lines 559 578) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,711 INFO L246 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2019-12-07 16:40:34,711 INFO L242 CegarLoopResult]: At program point L560-2(lines 559 578) the Hoare annotation is: false [2019-12-07 16:40:34,712 INFO L242 CegarLoopResult]: At program point L560-3(lines 559 578) the Hoare annotation is: false [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L841-2(lines 560 566) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L242 CegarLoopResult]: At program point L825-1(lines 825 831) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,712 INFO L246 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,713 INFO L246 CegarLoopResult]: For program point L694-3(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,713 INFO L246 CegarLoopResult]: For program point L694-5(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,713 INFO L246 CegarLoopResult]: For program point L694-6(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,713 INFO L246 CegarLoopResult]: For program point L694-8(lines 694 698) no Hoare annotation was computed. [2019-12-07 16:40:34,713 INFO L242 CegarLoopResult]: At program point L645(lines 640 648) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,713 INFO L242 CegarLoopResult]: At program point L645-1(lines 640 648) the Hoare annotation is: false [2019-12-07 16:40:34,713 INFO L242 CegarLoopResult]: At program point L645-2(lines 640 648) the Hoare annotation is: false [2019-12-07 16:40:34,713 INFO L242 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-12-07 16:40:34,713 INFO L246 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L596-1(lines 596 604) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L242 CegarLoopResult]: At program point L51-1(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L596-2(lines 596 604) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L242 CegarLoopResult]: At program point L51-3(lines 1 893) the Hoare annotation is: false [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L242 CegarLoopResult]: At program point L51-5(lines 1 893) the Hoare annotation is: false [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-12-07 16:40:34,714 INFO L246 CegarLoopResult]: For program point L712-3(lines 712 716) no Hoare annotation was computed. [2019-12-07 16:40:34,715 INFO L246 CegarLoopResult]: For program point L712-6(lines 712 716) no Hoare annotation was computed. [2019-12-07 16:40:34,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:40:34 BoogieIcfgContainer [2019-12-07 16:40:34,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:40:34,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:40:34,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:40:34,730 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:40:34,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:40:33" (3/4) ... [2019-12-07 16:40:34,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:40:34,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:40:34,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:40:34,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:40:34,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:40:34,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:40:34,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:40:34,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:40:34,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-12-07 16:40:34,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-12-07 16:40:34,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,768 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,769 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,770 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter [2019-12-07 16:40:34,803 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f665b1e8-8efb-44b9-a1f3-42dfd5161f3c/bin/uautomizer/witness.graphml [2019-12-07 16:40:34,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:40:34,804 INFO L168 Benchmark]: Toolchain (without parser) took 1763.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 943.5 MB in the beginning and 892.8 MB in the end (delta: 50.8 MB). Peak memory consumption was 150.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:34,805 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:40:34,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:34,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.14 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 16:40:34,806 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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 16:40:34,806 INFO L168 Benchmark]: RCFGBuilder took 391.64 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:34,806 INFO L168 Benchmark]: TraceAbstraction took 866.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.2 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:34,806 INFO L168 Benchmark]: Witness Printer took 73.21 ms. Allocated memory is still 1.1 GB. Free memory was 898.2 MB in the beginning and 892.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:40:34,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.14 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. * Boogie Preprocessor took 23.90 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. * RCFGBuilder took 391.64 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: 56.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 866.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 898.2 MB in the end (delta: 124.3 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.21 ms. Allocated memory is still 1.1 GB. Free memory was 898.2 MB in the beginning and 892.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && \result == 0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 309 SDtfs, 396 SDslu, 266 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1481 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...