./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:58:34,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:34,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:34,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:34,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:34,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:34,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:34,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:34,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:34,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:34,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:34,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:34,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:34,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:34,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:34,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:34,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:34,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:34,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:34,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:34,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:34,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:34,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:34,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:34,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:34,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:34,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:34,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:34,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:34,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:34,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:34,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:34,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:34,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:34,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:34,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:34,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:34,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:34,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:34,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:34,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:34,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:34,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:34,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:34,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:34,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:34,263 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:34,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:34,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:34,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:34,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:34,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:34,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:34,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:34,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:34,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:34,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:34,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:34,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:34,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:34,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:34,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:34,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:34,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:34,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:34,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:34,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:34,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:34,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:34,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:34,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:34,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-11-28 02:58:34,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:34,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:34,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:34,592 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:34,593 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:34,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-28 02:58:34,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/data/f9105cb9f/803c5c320ddf485e925e41580d03d363/FLAG28a1c9bab [2020-11-28 02:58:35,333 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:35,334 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-28 02:58:35,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/data/f9105cb9f/803c5c320ddf485e925e41580d03d363/FLAG28a1c9bab [2020-11-28 02:58:35,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/data/f9105cb9f/803c5c320ddf485e925e41580d03d363 [2020-11-28 02:58:35,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:35,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:35,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:35,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:35,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:35,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:35" (1/1) ... [2020-11-28 02:58:35,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a712219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:35, skipping insertion in model container [2020-11-28 02:58:35,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:35" (1/1) ... [2020-11-28 02:58:35,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:35,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:36,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:36,146 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:36,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:36,307 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:36,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36 WrapperNode [2020-11-28 02:58:36,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:36,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:36,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:36,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:36,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:36,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:36,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:36,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:36,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... [2020-11-28 02:58:36,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:36,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:36,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:36,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:36,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/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 [2020-11-28 02:58:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:36,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:36,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:37,593 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:37,593 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-11-28 02:58:37,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:37 BoogieIcfgContainer [2020-11-28 02:58:37,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:37,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:37,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:37,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:37,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:35" (1/3) ... [2020-11-28 02:58:37,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eab2c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:37, skipping insertion in model container [2020-11-28 02:58:37,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:36" (2/3) ... [2020-11-28 02:58:37,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eab2c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:37, skipping insertion in model container [2020-11-28 02:58:37,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:37" (3/3) ... [2020-11-28 02:58:37,604 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-11-28 02:58:37,615 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:37,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:37,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:37,658 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:37,658 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:37,658 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:37,658 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:37,659 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:37,659 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:37,659 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:37,659 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-28 02:58:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:58:37,681 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:37,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:37,682 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:37,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1624271172, now seen corresponding path program 1 times [2020-11-28 02:58:37,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:37,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683726074] [2020-11-28 02:58:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683726074] [2020-11-28 02:58:38,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:38,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906148231] [2020-11-28 02:58:38,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:38,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:38,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:38,034 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-28 02:58:38,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,058 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-11-28 02:58:38,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:38,060 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:58:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,068 INFO L225 Difference]: With dead ends: 146 [2020-11-28 02:58:38,069 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 02:58:38,072 INFO L677 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 [2020-11-28 02:58:38,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 02:58:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-28 02:58:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 02:58:38,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-11-28 02:58:38,117 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-11-28 02:58:38,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,117 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-11-28 02:58:38,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-11-28 02:58:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:58:38,121 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:38,122 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1405435203, now seen corresponding path program 1 times [2020-11-28 02:58:38,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100531711] [2020-11-28 02:58:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100531711] [2020-11-28 02:58:38,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:38,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314242165] [2020-11-28 02:58:38,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:38,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:38,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:38,287 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-11-28 02:58:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,307 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-11-28 02:58:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:38,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:58:38,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,311 INFO L225 Difference]: With dead ends: 71 [2020-11-28 02:58:38,312 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 02:58:38,313 INFO L677 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 [2020-11-28 02:58:38,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 02:58:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 02:58:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 02:58:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 02:58:38,326 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 02:58:38,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,327 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 02:58:38,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 02:58:38,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:38,330 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,330 INFO L422 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] [2020-11-28 02:58:38,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:38,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-11-28 02:58:38,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974681516] [2020-11-28 02:58:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974681516] [2020-11-28 02:58:38,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:38,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140001828] [2020-11-28 02:58:38,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:38,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:38,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:38,477 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-11-28 02:58:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,576 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2020-11-28 02:58:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:38,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:58:38,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,580 INFO L225 Difference]: With dead ends: 87 [2020-11-28 02:58:38,581 INFO L226 Difference]: Without dead ends: 59 [2020-11-28 02:58:38,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:58:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-28 02:58:38,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-11-28 02:58:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 02:58:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-11-28 02:58:38,604 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-11-28 02:58:38,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,605 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-11-28 02:58:38,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-11-28 02:58:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:58:38,607 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:38,609 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,612 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-11-28 02:58:38,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384365708] [2020-11-28 02:58:38,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:38,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384365708] [2020-11-28 02:58:38,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:38,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:38,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28464663] [2020-11-28 02:58:38,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:38,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:38,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:38,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:38,759 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-11-28 02:58:38,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:38,917 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-11-28 02:58:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:38,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 02:58:38,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:38,920 INFO L225 Difference]: With dead ends: 242 [2020-11-28 02:58:38,920 INFO L226 Difference]: Without dead ends: 194 [2020-11-28 02:58:38,921 INFO L677 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 [2020-11-28 02:58:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-28 02:58:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-11-28 02:58:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-28 02:58:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-11-28 02:58:38,959 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-11-28 02:58:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:38,960 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-11-28 02:58:38,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-11-28 02:58:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:58:38,963 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:38,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:38,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:38,964 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:38,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:38,966 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-11-28 02:58:38,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:38,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613064533] [2020-11-28 02:58:38,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:58:39,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613064533] [2020-11-28 02:58:39,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:39,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:39,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461957278] [2020-11-28 02:58:39,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:39,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:39,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:39,062 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-11-28 02:58:39,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:39,167 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-11-28 02:58:39,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:39,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 02:58:39,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:39,168 INFO L225 Difference]: With dead ends: 285 [2020-11-28 02:58:39,168 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:39,170 INFO L677 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 [2020-11-28 02:58:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:39,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 02:58:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:39,171 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:39,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:39,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:39,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:39,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,636 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L274 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-11-28 02:58:39,637 INFO L270 CegarLoopResult]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,638 INFO L274 CegarLoopResult]: For program point L450-2(line 450) no Hoare annotation was computed. [2020-11-28 02:58:39,638 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-11-28 02:58:39,638 INFO L274 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2020-11-28 02:58:39,638 INFO L274 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2020-11-28 02:58:39,638 INFO L270 CegarLoopResult]: At program point L748(lines 741 751) the Hoare annotation is: false [2020-11-28 02:58:39,638 INFO L270 CegarLoopResult]: At program point L748-1(lines 741 751) the Hoare annotation is: false [2020-11-28 02:58:39,638 INFO L270 CegarLoopResult]: At program point L748-2(lines 741 751) the Hoare annotation is: false [2020-11-28 02:58:39,638 INFO L270 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: false [2020-11-28 02:58:39,639 INFO L274 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2020-11-28 02:58:39,639 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-11-28 02:58:39,639 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,639 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-11-28 02:58:39,639 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-11-28 02:58:39,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:39,639 INFO L270 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,639 INFO L270 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2020-11-28 02:58:39,640 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2020-11-28 02:58:39,640 INFO L270 CegarLoopResult]: At program point L851-1(lines 851 857) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,641 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 02:58:39,641 INFO L277 CegarLoopResult]: At program point L637(lines 618 640) the Hoare annotation is: true [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point L687-1(lines 687 704) no Hoare annotation was computed. [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 704) no Hoare annotation was computed. [2020-11-28 02:58:39,641 INFO L274 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-11-28 02:58:39,642 INFO L270 CegarLoopResult]: At program point L869-1(lines 655 661) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,642 INFO L270 CegarLoopResult]: At program point L655(lines 654 673) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,642 INFO L274 CegarLoopResult]: For program point L655-1(lines 655 661) no Hoare annotation was computed. [2020-11-28 02:58:39,642 INFO L270 CegarLoopResult]: At program point L655-2(lines 654 673) the Hoare annotation is: false [2020-11-28 02:58:39,642 INFO L270 CegarLoopResult]: At program point L655-3(lines 654 673) the Hoare annotation is: false [2020-11-28 02:58:39,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:39,642 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-28 02:58:39,642 INFO L274 CegarLoopResult]: For program point L557-1(lines 655 661) no Hoare annotation was computed. [2020-11-28 02:58:39,642 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-28 02:58:39,643 INFO L270 CegarLoopResult]: At program point L757(lines 752 760) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,643 INFO L270 CegarLoopResult]: At program point L757-1(lines 752 760) the Hoare annotation is: false [2020-11-28 02:58:39,643 INFO L274 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2020-11-28 02:58:39,643 INFO L270 CegarLoopResult]: At program point L757-2(lines 752 760) the Hoare annotation is: false [2020-11-28 02:58:39,643 INFO L274 CegarLoopResult]: For program point L691-1(lines 691 699) no Hoare annotation was computed. [2020-11-28 02:58:39,643 INFO L274 CegarLoopResult]: For program point L691-2(lines 691 699) no Hoare annotation was computed. [2020-11-28 02:58:39,643 INFO L274 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-11-28 02:58:39,643 INFO L270 CegarLoopResult]: At program point L907-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,643 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-11-28 02:58:39,644 INFO L274 CegarLoopResult]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2020-11-28 02:58:39,644 INFO L270 CegarLoopResult]: At program point L841-1(lines 841 847) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,644 INFO L270 CegarLoopResult]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2020-11-28 02:58:39,644 INFO L274 CegarLoopResult]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2020-11-28 02:58:39,644 INFO L270 CegarLoopResult]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2020-11-28 02:58:39,644 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:39,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:39,645 INFO L274 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-11-28 02:58:39,645 INFO L274 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-11-28 02:58:39,645 INFO L277 CegarLoopResult]: At program point L628-1(lines 628 635) the Hoare annotation is: true [2020-11-28 02:58:39,645 INFO L270 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 02:58:39,645 INFO L270 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:39,645 INFO L270 CegarLoopResult]: At program point L662-1(lines 662 668) the Hoare annotation is: false [2020-11-28 02:58:39,645 INFO L270 CegarLoopResult]: At program point L662-2(lines 662 668) the Hoare annotation is: false [2020-11-28 02:58:39,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:39 BoogieIcfgContainer [2020-11-28 02:58:39,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:39,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:39,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:39,673 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:39,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:37" (3/4) ... [2020-11-28 02:58:39,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:39,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:39,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:39,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:39,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:39,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:39,705 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:39,706 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:39,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:58:39,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:58:39,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:58:39,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,729 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,730 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,732 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:39,808 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46a43da1-faaa-4d9e-8be5-dfd3ee4d6c1b/bin/uautomizer/witness.graphml [2020-11-28 02:58:39,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:39,810 INFO L168 Benchmark]: Toolchain (without parser) took 4202.47 ms. Allocated memory was 83.9 MB in the beginning and 123.7 MB in the end (delta: 39.8 MB). Free memory was 54.0 MB in the beginning and 85.8 MB in the end (delta: -31.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,810 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:39,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.04 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 54.0 MB in the beginning and 69.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.13 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 65.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,811 INFO L168 Benchmark]: Boogie Preprocessor took 84.40 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,811 INFO L168 Benchmark]: RCFGBuilder took 1099.96 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 52.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,816 INFO L168 Benchmark]: TraceAbstraction took 2075.79 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 93.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,816 INFO L168 Benchmark]: Witness Printer took 134.92 ms. Allocated memory is still 123.7 MB. Free memory was 93.1 MB in the beginning and 85.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:39,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.04 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 54.0 MB in the beginning and 69.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.13 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 65.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.40 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1099.96 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 52.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2075.79 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 93.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * Witness Printer took 134.92 ms. Allocated memory is still 123.7 MB. Free memory was 93.1 MB in the beginning and 85.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 467 SDslu, 325 SDs, 0 SdLazy, 67 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, 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, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 199 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4048 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 144 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...