./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/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 576a1858cb64f3543afb00cb741cc3175c43895a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:58:15,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:15,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:15,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:15,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:15,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:15,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:15,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:15,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:15,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:15,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:15,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:15,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:15,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:15,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:15,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:15,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:15,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:15,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:15,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:15,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:15,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:15,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:15,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:15,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:15,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:15,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:15,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:15,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:15,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:15,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:15,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:15,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:15,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:15,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:15,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:15,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:15,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:15,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:15,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:15,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:15,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:15,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:15,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:15,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:15,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:15,487 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:15,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:15,492 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:15,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:15,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:15,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:15,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:15,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:15,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:15,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:15,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:15,495 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:15,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:15,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:15,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:15,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:15,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:15,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:15,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:15,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:15,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:15,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:15,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:15,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:15,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:15,506 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_78a320af-a4fa-4afc-a475-cf9728366275/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-11-28 02:58:15,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:15,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:15,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:15,806 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:15,809 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:15,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 02:58:15,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/data/b0cd274ff/e15e21c9adfe4846a6612e0195173a21/FLAG6d188dd3d [2020-11-28 02:58:16,427 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:16,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 02:58:16,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/data/b0cd274ff/e15e21c9adfe4846a6612e0195173a21/FLAG6d188dd3d [2020-11-28 02:58:16,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/data/b0cd274ff/e15e21c9adfe4846a6612e0195173a21 [2020-11-28 02:58:16,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:16,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:16,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:16,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:16,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:16,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:16" (1/1) ... [2020-11-28 02:58:16,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a694a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:16, skipping insertion in model container [2020-11-28 02:58:16,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:16" (1/1) ... [2020-11-28 02:58:16,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:16,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:17,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,132 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:17,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:17,301 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:17,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17 WrapperNode [2020-11-28 02:58:17,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:17,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:17,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:17,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:17,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:17,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:17,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... [2020-11-28 02:58:17,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:17,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:17,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:17,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:17,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/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 02:58:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:18,475 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:18,476 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-28 02:58:18,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18 BoogieIcfgContainer [2020-11-28 02:58:18,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:18,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:18,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:18,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:18,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:16" (1/3) ... [2020-11-28 02:58:18,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8fc833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:17" (2/3) ... [2020-11-28 02:58:18,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8fc833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:18, skipping insertion in model container [2020-11-28 02:58:18,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/3) ... [2020-11-28 02:58:18,488 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-11-28 02:58:18,500 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:18,505 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:18,518 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:18,543 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:18,544 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:18,544 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:18,544 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:18,544 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:18,544 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:18,544 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:18,545 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 02:58:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:58:18,566 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:18,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:18,567 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:18,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:18,573 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-11-28 02:58:18,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:18,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237549847] [2020-11-28 02:58:18,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:18,889 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 02:58:18,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237549847] [2020-11-28 02:58:18,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:18,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:18,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514964167] [2020-11-28 02:58:18,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:18,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:18,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:18,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:18,912 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 02:58:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:18,936 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 02:58:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:18,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:58:18,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:18,949 INFO L225 Difference]: With dead ends: 151 [2020-11-28 02:58:18,949 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 02:58:18,952 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 02:58:18,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 02:58:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 02:58:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 02:58:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 02:58:18,993 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-28 02:58:18,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:18,994 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 02:58:18,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:18,994 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 02:58:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:58:18,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:19,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:19,012 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,013 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-11-28 02:58:19,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314038672] [2020-11-28 02:58:19,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,179 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 02:58:19,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314038672] [2020-11-28 02:58:19,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:19,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691051686] [2020-11-28 02:58:19,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,188 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-28 02:58:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,204 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 02:58:19,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:58:19,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,207 INFO L225 Difference]: With dead ends: 73 [2020-11-28 02:58:19,208 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 02:58:19,209 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 02:58:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 02:58:19,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 02:58:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 02:58:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 02:58:19,219 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-28 02:58:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,220 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 02:58:19,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 02:58:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:58:19,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,223 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] [2020-11-28 02:58:19,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:19,224 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-11-28 02:58:19,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339116751] [2020-11-28 02:58:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,350 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 02:58:19,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339116751] [2020-11-28 02:58:19,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:19,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127429234] [2020-11-28 02:58:19,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:19,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:19,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:19,353 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-28 02:58:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,383 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-11-28 02:58:19,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:19,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-28 02:58:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,386 INFO L225 Difference]: With dead ends: 93 [2020-11-28 02:58:19,388 INFO L226 Difference]: Without dead ends: 64 [2020-11-28 02:58:19,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:58:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-28 02:58:19,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-11-28 02:58:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 02:58:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-11-28 02:58:19,410 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-11-28 02:58:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,410 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-11-28 02:58:19,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-11-28 02:58:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:58:19,413 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,413 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] [2020-11-28 02:58:19,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:19,414 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-11-28 02:58:19,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373638964] [2020-11-28 02:58:19,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,538 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 02:58:19,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373638964] [2020-11-28 02:58:19,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:19,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794054343] [2020-11-28 02:58:19,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:19,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:19,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:19,541 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2020-11-28 02:58:19,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,681 INFO L93 Difference]: Finished difference Result 298 states and 454 transitions. [2020-11-28 02:58:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:19,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 02:58:19,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,685 INFO L225 Difference]: With dead ends: 298 [2020-11-28 02:58:19,685 INFO L226 Difference]: Without dead ends: 244 [2020-11-28 02:58:19,686 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 02:58:19,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-28 02:58:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 108. [2020-11-28 02:58:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-28 02:58:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2020-11-28 02:58:19,707 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 23 [2020-11-28 02:58:19,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,708 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2020-11-28 02:58:19,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2020-11-28 02:58:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:19,710 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:19,710 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 02:58:19,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:19,710 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:19,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:19,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2020-11-28 02:58:19,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:19,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403144750] [2020-11-28 02:58:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:19,806 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 02:58:19,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403144750] [2020-11-28 02:58:19,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:19,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:19,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119984088] [2020-11-28 02:58:19,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:19,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:19,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:19,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:19,809 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand 5 states. [2020-11-28 02:58:19,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:19,920 INFO L93 Difference]: Finished difference Result 304 states and 455 transitions. [2020-11-28 02:58:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:19,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:58:19,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:19,922 INFO L225 Difference]: With dead ends: 304 [2020-11-28 02:58:19,922 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:19,924 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 02:58:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:19,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:19,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 02:58:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:19,925 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:19,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:19,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:19,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:19,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,176 INFO L274 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:20,177 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:20,177 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-11-28 02:58:20,177 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: false [2020-11-28 02:58:20,177 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-11-28 02:58:20,177 INFO L274 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-11-28 02:58:20,177 INFO L270 CegarLoopResult]: At program point L698-1(lines 698 704) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,178 INFO L270 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,178 INFO L270 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2020-11-28 02:58:20,178 INFO L270 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2020-11-28 02:58:20,178 INFO L274 CegarLoopResult]: For program point L718(lines 718 731) no Hoare annotation was computed. [2020-11-28 02:58:20,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:20,178 INFO L277 CegarLoopResult]: At program point L306(lines 287 309) the Hoare annotation is: true [2020-11-28 02:58:20,178 INFO L270 CegarLoopResult]: At program point L273(lines 269 275) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:20,178 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:20,179 INFO L270 CegarLoopResult]: At program point L736(lines 687 737) the Hoare annotation is: false [2020-11-28 02:58:20,179 INFO L270 CegarLoopResult]: At program point L224-2(lines 224 238) the Hoare annotation is: false [2020-11-28 02:58:20,180 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,180 INFO L274 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-11-28 02:58:20,180 INFO L274 CegarLoopResult]: For program point L786-1(lines 786 803) no Hoare annotation was computed. [2020-11-28 02:58:20,180 INFO L274 CegarLoopResult]: For program point L786-2(lines 786 803) no Hoare annotation was computed. [2020-11-28 02:58:20,181 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-11-28 02:58:20,181 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-11-28 02:58:20,181 INFO L270 CegarLoopResult]: At program point L754(lines 753 772) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,182 INFO L274 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-11-28 02:58:20,184 INFO L270 CegarLoopResult]: At program point L754-2(lines 753 772) the Hoare annotation is: false [2020-11-28 02:58:20,184 INFO L270 CegarLoopResult]: At program point L754-3(lines 753 772) the Hoare annotation is: false [2020-11-28 02:58:20,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:20,185 INFO L274 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-11-28 02:58:20,185 INFO L270 CegarLoopResult]: At program point L920-1(lines 920 926) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,185 INFO L274 CegarLoopResult]: For program point L689(lines 688 735) no Hoare annotation was computed. [2020-11-28 02:58:20,185 INFO L274 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-11-28 02:58:20,185 INFO L270 CegarLoopResult]: At program point L194-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,185 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 207) no Hoare annotation was computed. [2020-11-28 02:58:20,185 INFO L270 CegarLoopResult]: At program point L194-3(lines 1 930) the Hoare annotation is: false [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L194-4(lines 194 207) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L270 CegarLoopResult]: At program point L194-5(lines 1 930) the Hoare annotation is: false [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L228-1(lines 754 760) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L790-1(lines 790 798) no Hoare annotation was computed. [2020-11-28 02:58:20,186 INFO L274 CegarLoopResult]: For program point L724(lines 724 730) no Hoare annotation was computed. [2020-11-28 02:58:20,187 INFO L274 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-11-28 02:58:20,190 INFO L270 CegarLoopResult]: At program point L724-1(lines 754 760) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,191 INFO L270 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,191 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-11-28 02:58:20,192 INFO L270 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,192 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-11-28 02:58:20,192 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-11-28 02:58:20,192 INFO L270 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:20,192 INFO L270 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:20,193 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-28 02:58:20,193 INFO L270 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:20,193 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:20,193 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:20,194 INFO L274 CegarLoopResult]: For program point L297(lines 297 304) no Hoare annotation was computed. [2020-11-28 02:58:20,195 INFO L277 CegarLoopResult]: At program point L297-1(lines 297 304) the Hoare annotation is: true [2020-11-28 02:58:20,195 INFO L274 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-11-28 02:58:20,195 INFO L274 CegarLoopResult]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2020-11-28 02:58:20,195 INFO L274 CegarLoopResult]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2020-11-28 02:58:20,195 INFO L270 CegarLoopResult]: At program point L67(lines 1 930) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:20,195 INFO L270 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:20,195 INFO L270 CegarLoopResult]: At program point L761-1(lines 761 767) the Hoare annotation is: false [2020-11-28 02:58:20,196 INFO L270 CegarLoopResult]: At program point L761-2(lines 761 767) the Hoare annotation is: false [2020-11-28 02:58:20,196 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-28 02:58:20,196 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-11-28 02:58:20,196 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-11-28 02:58:20,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:20 BoogieIcfgContainer [2020-11-28 02:58:20,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:20,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:20,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:20,225 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:20,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:18" (3/4) ... [2020-11-28 02:58:20,229 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:20,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:20,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:20,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:20,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:20,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:20,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:20,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:20,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:20,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_78a320af-a4fa-4afc-a475-cf9728366275/bin/uautomizer/witness.graphml [2020-11-28 02:58:20,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:20,371 INFO L168 Benchmark]: Toolchain (without parser) took 3631.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 71.6 MB in the beginning and 93.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,372 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:20,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.97 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.1 MB in the beginning and 64.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,373 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 62.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,374 INFO L168 Benchmark]: RCFGBuilder took 1035.52 ms. Allocated memory is still 100.7 MB. Free memory was 62.6 MB in the beginning and 56.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,374 INFO L168 Benchmark]: TraceAbstraction took 1743.74 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 46.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,374 INFO L168 Benchmark]: Witness Printer took 145.11 ms. Allocated memory is still 121.6 MB. Free memory was 46.5 MB in the beginning and 93.4 MB in the end (delta: -46.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:20,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.97 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.1 MB in the beginning and 64.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.13 ms. Allocated memory is still 100.7 MB. Free memory was 64.7 MB in the beginning and 62.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1035.52 ms. Allocated memory is still 100.7 MB. Free memory was 62.6 MB in the beginning and 56.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1743.74 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 56.1 MB in the beginning and 46.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 16.1 GB. * Witness Printer took 145.11 ms. Allocated memory is still 121.6 MB. Free memory was 46.5 MB in the beginning and 93.4 MB in the end (delta: -46.9 MB). Peak memory consumption was 4.5 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: 698]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 340 SDslu, 334 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...