./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/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 1c9e4bd76592b5b320fdce5045c771849ffd48c0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:46:27,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:46:27,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:46:27,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:46:27,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:46:27,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:46:27,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:46:27,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:46:27,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:46:27,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:46:27,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:46:27,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:46:27,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:46:27,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:46:27,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:46:27,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:46:27,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:46:27,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:46:27,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:46:27,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:46:27,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:46:27,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:46:27,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:46:27,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:46:27,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:46:27,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:46:27,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:46:27,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:46:27,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:46:27,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:46:27,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:46:27,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:46:27,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:46:27,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:46:27,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:46:27,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:46:27,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:46:27,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:46:27,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:46:27,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:46:27,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:46:27,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:46:27,753 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:46:27,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:46:27,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:46:27,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:46:27,757 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:46:27,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:46:27,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:46:27,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:46:27,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:46:27,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:46:27,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:46:27,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:46:27,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:46:27,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:46:27,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:46:27,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:46:27,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:46:27,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:46:27,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:46:27,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:46:27,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:46:27,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:46:27,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:46:27,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:46:27,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:46:27,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:46:27,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:46:27,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:46:27,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:46:27,766 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_0357ab72-62e0-4876-8bc9-c260718ae6d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9e4bd76592b5b320fdce5045c771849ffd48c0 [2020-12-01 15:46:28,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:46:28,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:46:28,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:46:28,198 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:46:28,200 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:46:28,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2020-12-01 15:46:28,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/data/ff1326086/fef3c16062574a28a93b6b95be9a552f/FLAG3f4ea7bfd [2020-12-01 15:46:29,027 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:46:29,027 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2020-12-01 15:46:29,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/data/ff1326086/fef3c16062574a28a93b6b95be9a552f/FLAG3f4ea7bfd [2020-12-01 15:46:29,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/data/ff1326086/fef3c16062574a28a93b6b95be9a552f [2020-12-01 15:46:29,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:46:29,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:46:29,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:46:29,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:46:29,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:46:29,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:46:29" (1/1) ... [2020-12-01 15:46:29,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1ebd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:29, skipping insertion in model container [2020-12-01 15:46:29,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:46:29" (1/1) ... [2020-12-01 15:46:29,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:46:29,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:46:29,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:46:29,896 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:46:29,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:46:30,030 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:46:30,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30 WrapperNode [2020-12-01 15:46:30,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:46:30,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:46:30,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:46:30,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:46:30,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:46:30,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:46:30,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:46:30,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:46:30,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... [2020-12-01 15:46:30,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:46:30,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:46:30,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:46:30,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:46:30,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/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 [2020-12-01 15:46:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:46:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:46:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:46:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:46:31,458 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:46:31,459 INFO L298 CfgBuilder]: Removed 76 assume(true) statements. [2020-12-01 15:46:31,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:31 BoogieIcfgContainer [2020-12-01 15:46:31,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:46:31,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:46:31,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:46:31,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:46:31,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:46:29" (1/3) ... [2020-12-01 15:46:31,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77900187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:46:31, skipping insertion in model container [2020-12-01 15:46:31,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:46:30" (2/3) ... [2020-12-01 15:46:31,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77900187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:46:31, skipping insertion in model container [2020-12-01 15:46:31,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:31" (3/3) ... [2020-12-01 15:46:31,480 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2020-12-01 15:46:31,502 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:46:31,508 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-01 15:46:31,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-01 15:46:31,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:46:31,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:46:31,568 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:46:31,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:46:31,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:46:31,569 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:46:31,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:46:31,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:46:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-12-01 15:46:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 15:46:31,603 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:31,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:31,604 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:31,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:31,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1439669828, now seen corresponding path program 1 times [2020-12-01 15:46:31,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:31,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146178872] [2020-12-01 15:46:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:31,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146178872] [2020-12-01 15:46:31,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:31,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:46:31,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627172565] [2020-12-01 15:46:31,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:46:31,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:32,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:46:32,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:46:32,022 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2020-12-01 15:46:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:32,069 INFO L93 Difference]: Finished difference Result 118 states and 177 transitions. [2020-12-01 15:46:32,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:46:32,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-01 15:46:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:32,111 INFO L225 Difference]: With dead ends: 118 [2020-12-01 15:46:32,116 INFO L226 Difference]: Without dead ends: 57 [2020-12-01 15:46:32,120 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 [2020-12-01 15:46:32,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-01 15:46:32,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-01 15:46:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-01 15:46:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-12-01 15:46:32,165 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-12-01 15:46:32,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:32,165 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-12-01 15:46:32,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:46:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-12-01 15:46:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 15:46:32,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:32,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:46:32,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:46:32,168 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:32,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:32,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1220833859, now seen corresponding path program 1 times [2020-12-01 15:46:32,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:32,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690391479] [2020-12-01 15:46:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:32,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690391479] [2020-12-01 15:46:32,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:32,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:46:32,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226877729] [2020-12-01 15:46:32,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:46:32,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:32,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:46:32,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:46:32,347 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-12-01 15:46:32,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:32,372 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-12-01 15:46:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:46:32,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 15:46:32,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:32,374 INFO L225 Difference]: With dead ends: 57 [2020-12-01 15:46:32,374 INFO L226 Difference]: Without dead ends: 29 [2020-12-01 15:46:32,376 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 [2020-12-01 15:46:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-01 15:46:32,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-01 15:46:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 15:46:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-01 15:46:32,384 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-12-01 15:46:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:32,384 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-01 15:46:32,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:46:32,385 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-01 15:46:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 15:46:32,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:32,386 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] [2020-12-01 15:46:32,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:46:32,387 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:32,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2020-12-01 15:46:32,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:32,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873181578] [2020-12-01 15:46:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:32,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873181578] [2020-12-01 15:46:32,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:32,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:46:32,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470361469] [2020-12-01 15:46:32,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:46:32,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:32,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:46:32,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:46:32,545 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-12-01 15:46:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:32,696 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-12-01 15:46:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:46:32,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-01 15:46:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:32,702 INFO L225 Difference]: With dead ends: 112 [2020-12-01 15:46:32,705 INFO L226 Difference]: Without dead ends: 90 [2020-12-01 15:46:32,706 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 [2020-12-01 15:46:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-12-01 15:46:32,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-12-01 15:46:32,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-01 15:46:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-12-01 15:46:32,720 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-12-01 15:46:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:32,721 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-12-01 15:46:32,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:46:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-12-01 15:46:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 15:46:32,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:46:32,723 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] [2020-12-01 15:46:32,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:46:32,723 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:46:32,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:46:32,724 INFO L82 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2020-12-01 15:46:32,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:46:32,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656463383] [2020-12-01 15:46:32,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:46:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:46:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:46:32,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656463383] [2020-12-01 15:46:32,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:46:32,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:46:32,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379812430] [2020-12-01 15:46:32,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:46:32,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:46:32,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:46:32,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:46:32,917 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-12-01 15:46:33,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:46:33,018 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-12-01 15:46:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:46:33,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-01 15:46:33,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:46:33,020 INFO L225 Difference]: With dead ends: 132 [2020-12-01 15:46:33,020 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:46:33,022 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 [2020-12-01 15:46:33,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:46:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:46:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:46:33,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:46:33,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-01 15:46:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:46:33,024 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:46:33,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:46:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:46:33,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:46:33,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:46:33,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:46:33,279 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,279 INFO L258 CegarLoopResult]: At program point L630(lines 630 636) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,279 INFO L258 CegarLoopResult]: At program point L630-1(lines 630 636) the Hoare annotation is: false [2020-12-01 15:46:33,280 INFO L262 CegarLoopResult]: For program point L564(lines 564 570) no Hoare annotation was computed. [2020-12-01 15:46:33,280 INFO L258 CegarLoopResult]: At program point L630-2(lines 630 636) the Hoare annotation is: false [2020-12-01 15:46:33,280 INFO L258 CegarLoopResult]: At program point L564-1(lines 564 570) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,281 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,281 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,281 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,282 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:46:33,282 INFO L262 CegarLoopResult]: For program point L87(lines 87 91) no Hoare annotation was computed. [2020-12-01 15:46:33,283 INFO L265 CegarLoopResult]: At program point L880(lines 861 883) the Hoare annotation is: true [2020-12-01 15:46:33,283 INFO L258 CegarLoopResult]: At program point L847(lines 843 849) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:33,284 INFO L262 CegarLoopResult]: For program point L584(lines 584 597) no Hoare annotation was computed. [2020-12-01 15:46:33,284 INFO L262 CegarLoopResult]: For program point L766(lines 766 783) no Hoare annotation was computed. [2020-12-01 15:46:33,284 INFO L258 CegarLoopResult]: At program point L766-1(lines 1 883) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,284 INFO L258 CegarLoopResult]: At program point L799-2(lines 799 813) the Hoare annotation is: false [2020-12-01 15:46:33,285 INFO L258 CegarLoopResult]: At program point L700(lines 695 703) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,285 INFO L262 CegarLoopResult]: For program point L766-2(lines 766 783) no Hoare annotation was computed. [2020-12-01 15:46:33,285 INFO L258 CegarLoopResult]: At program point L700-1(lines 695 703) the Hoare annotation is: false [2020-12-01 15:46:33,285 INFO L258 CegarLoopResult]: At program point L766-3(lines 1 883) the Hoare annotation is: false [2020-12-01 15:46:33,285 INFO L262 CegarLoopResult]: For program point L766-4(lines 766 783) no Hoare annotation was computed. [2020-12-01 15:46:33,286 INFO L258 CegarLoopResult]: At program point L700-2(lines 695 703) the Hoare annotation is: false [2020-12-01 15:46:33,286 INFO L258 CegarLoopResult]: At program point L766-5(lines 1 883) the Hoare annotation is: false [2020-12-01 15:46:33,286 INFO L262 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-12-01 15:46:33,286 INFO L258 CegarLoopResult]: At program point L602(lines 553 603) the Hoare annotation is: false [2020-12-01 15:46:33,286 INFO L258 CegarLoopResult]: At program point L536(lines 531 539) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:33,287 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:46:33,287 INFO L262 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-12-01 15:46:33,288 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,288 INFO L262 CegarLoopResult]: For program point L555(lines 554 601) no Hoare annotation was computed. [2020-12-01 15:46:33,288 INFO L262 CegarLoopResult]: For program point L803(lines 803 807) no Hoare annotation was computed. [2020-12-01 15:46:33,288 INFO L262 CegarLoopResult]: For program point L770(lines 770 780) no Hoare annotation was computed. [2020-12-01 15:46:33,288 INFO L262 CegarLoopResult]: For program point L803-1(lines 623 629) no Hoare annotation was computed. [2020-12-01 15:46:33,289 INFO L262 CegarLoopResult]: For program point L770-2(lines 770 780) no Hoare annotation was computed. [2020-12-01 15:46:33,289 INFO L262 CegarLoopResult]: For program point L770-4(lines 770 780) no Hoare annotation was computed. [2020-12-01 15:46:33,289 INFO L262 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-12-01 15:46:33,289 INFO L262 CegarLoopResult]: For program point L771(lines 771 777) no Hoare annotation was computed. [2020-12-01 15:46:33,289 INFO L262 CegarLoopResult]: For program point L771-2(lines 771 777) no Hoare annotation was computed. [2020-12-01 15:46:33,290 INFO L262 CegarLoopResult]: For program point L771-4(lines 771 777) no Hoare annotation was computed. [2020-12-01 15:46:33,290 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:46:33,290 INFO L258 CegarLoopResult]: At program point L755(lines 750 757) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:33,290 INFO L258 CegarLoopResult]: At program point L623(lines 622 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,290 INFO L262 CegarLoopResult]: For program point L623-1(lines 623 629) no Hoare annotation was computed. [2020-12-01 15:46:33,291 INFO L258 CegarLoopResult]: At program point L623-2(lines 622 641) the Hoare annotation is: false [2020-12-01 15:46:33,291 INFO L258 CegarLoopResult]: At program point L623-3(lines 622 641) the Hoare annotation is: false [2020-12-01 15:46:33,291 INFO L262 CegarLoopResult]: For program point L871(lines 871 878) no Hoare annotation was computed. [2020-12-01 15:46:33,291 INFO L265 CegarLoopResult]: At program point L871-1(lines 871 878) the Hoare annotation is: true [2020-12-01 15:46:33,291 INFO L262 CegarLoopResult]: For program point L574(lines 574 580) no Hoare annotation was computed. [2020-12-01 15:46:33,292 INFO L258 CegarLoopResult]: At program point L574-1(lines 574 580) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,293 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-01 15:46:33,293 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-01 15:46:33,294 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-01 15:46:33,294 INFO L262 CegarLoopResult]: For program point L63(lines 63 67) no Hoare annotation was computed. [2020-12-01 15:46:33,294 INFO L262 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-12-01 15:46:33,294 INFO L262 CegarLoopResult]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2020-12-01 15:46:33,294 INFO L262 CegarLoopResult]: For program point L592(lines 592 596) no Hoare annotation was computed. [2020-12-01 15:46:33,295 INFO L258 CegarLoopResult]: At program point L592-2(lines 623 629) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,295 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:46:33,295 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:46:33,296 INFO L258 CegarLoopResult]: At program point L528(lines 1 883) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-01 15:46:33,296 INFO L258 CegarLoopResult]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-01 15:46:33,296 INFO L258 CegarLoopResult]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2020-12-01 15:46:33,296 INFO L258 CegarLoopResult]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2020-12-01 15:46:33,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:46:33 BoogieIcfgContainer [2020-12-01 15:46:33,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:46:33,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:46:33,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:46:33,329 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:46:33,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:46:31" (3/4) ... [2020-12-01 15:46:33,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:46:33,367 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-01 15:46:33,367 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 15:46:33,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 15:46:33,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 15:46:33,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 15:46:33,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:46:33,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:46:33,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-12-01 15:46:33,475 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0357ab72-62e0-4876-8bc9-c260718ae6d6/bin/uautomizer/witness.graphml [2020-12-01 15:46:33,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:46:33,479 INFO L168 Benchmark]: Toolchain (without parser) took 4235.18 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 62.1 MB in the beginning and 57.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,480 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:46:33,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.23 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 63.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,481 INFO L168 Benchmark]: Boogie Preprocessor took 81.59 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 58.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,481 INFO L168 Benchmark]: RCFGBuilder took 1232.92 ms. Allocated memory is still 96.5 MB. Free memory was 58.8 MB in the beginning and 47.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,482 INFO L168 Benchmark]: TraceAbstraction took 1858.05 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 47.0 MB in the beginning and 63.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,483 INFO L168 Benchmark]: Witness Printer took 149.48 ms. Allocated memory is still 123.7 MB. Free memory was 63.1 MB in the beginning and 57.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:46:33,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 66.5 MB in the beginning and 66.5 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 785.23 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 63.3 MB in the end (delta: -1.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 60.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.59 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 58.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1232.92 ms. Allocated memory is still 96.5 MB. Free memory was 58.8 MB in the beginning and 47.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1858.05 ms. Allocated memory was 96.5 MB in the beginning and 123.7 MB in the end (delta: 27.3 MB). Free memory was 47.0 MB in the beginning and 63.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 149.48 ms. Allocated memory is still 123.7 MB. Free memory was 63.1 MB in the beginning and 57.6 MB in the end (delta: 5.4 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: 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 && pumpRunning == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...