./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:58:30,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:30,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:30,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:30,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:30,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:30,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:30,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:30,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:30,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:30,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:30,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:30,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:30,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:31,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:31,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:31,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:31,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:31,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:31,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:31,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:31,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:31,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:31,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:31,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:31,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:31,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:31,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:31,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:31,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:31,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:31,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:31,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:31,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:31,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:31,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:31,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:31,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:31,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:31,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:31,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:31,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:31,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:31,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:31,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:31,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:31,060 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:31,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:31,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:31,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:31,062 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:31,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:31,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:31,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:31,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:31,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:31,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:31,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:31,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:31,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:31,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:31,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:31,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:31,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:31,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:31,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:31,064 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_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2020-11-28 02:58:31,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:31,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:31,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:31,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:31,400 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:31,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-28 02:58:31,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/data/064cd8277/47429ced88a4457e8f34010f74e8a4fd/FLAGe5e9517f8 [2020-11-28 02:58:32,066 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:32,067 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-28 02:58:32,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/data/064cd8277/47429ced88a4457e8f34010f74e8a4fd/FLAGe5e9517f8 [2020-11-28 02:58:32,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/data/064cd8277/47429ced88a4457e8f34010f74e8a4fd [2020-11-28 02:58:32,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:32,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:32,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:32,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:32,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:32,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:32,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fddf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32, skipping insertion in model container [2020-11-28 02:58:32,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:32,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:32,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:32,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:32,769 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:32,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:32,955 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:32,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32 WrapperNode [2020-11-28 02:58:32,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:32,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:32,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:32,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:32,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:32,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:33,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:33,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:33,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:33,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... [2020-11-28 02:58:33,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:33,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:33,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:33,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:33,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/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 02:58:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:33,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:34,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:34,108 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-11-28 02:58:34,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34 BoogieIcfgContainer [2020-11-28 02:58:34,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:34,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:34,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:34,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:34,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:32" (1/3) ... [2020-11-28 02:58:34,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4428dddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:34, skipping insertion in model container [2020-11-28 02:58:34,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:32" (2/3) ... [2020-11-28 02:58:34,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4428dddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:34, skipping insertion in model container [2020-11-28 02:58:34,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34" (3/3) ... [2020-11-28 02:58:34,123 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-11-28 02:58:34,138 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:34,143 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:34,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:34,196 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:34,196 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:34,196 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:34,196 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:34,196 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:34,196 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:34,197 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:34,197 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-28 02:58:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:58:34,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:34,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:34,221 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:34,227 INFO L82 PathProgramCache]: Analyzing trace with hash -934743772, now seen corresponding path program 1 times [2020-11-28 02:58:34,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:34,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720624780] [2020-11-28 02:58:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:34,562 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 02:58:34,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720624780] [2020-11-28 02:58:34,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:34,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:34,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224537716] [2020-11-28 02:58:34,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:34,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:34,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:34,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:34,589 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-11-28 02:58:34,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:34,633 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-11-28 02:58:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:34,634 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:58:34,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:34,655 INFO L225 Difference]: With dead ends: 158 [2020-11-28 02:58:34,656 INFO L226 Difference]: Without dead ends: 77 [2020-11-28 02:58:34,672 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 02:58:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-28 02:58:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-11-28 02:58:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-28 02:58:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-11-28 02:58:34,711 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-11-28 02:58:34,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:34,711 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-11-28 02:58:34,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-28 02:58:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:58:34,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:34,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:34,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:34,716 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:34,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:34,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1153579741, now seen corresponding path program 1 times [2020-11-28 02:58:34,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:34,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539211577] [2020-11-28 02:58:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:34,833 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 02:58:34,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539211577] [2020-11-28 02:58:34,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:34,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:34,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486658014] [2020-11-28 02:58:34,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:34,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:34,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:34,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:34,837 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-11-28 02:58:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:34,848 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-11-28 02:58:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:34,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:58:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:34,850 INFO L225 Difference]: With dead ends: 77 [2020-11-28 02:58:34,850 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 02:58:34,851 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 02:58:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 02:58:34,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-28 02:58:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-28 02:58:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-11-28 02:58:34,857 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-11-28 02:58:34,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:34,857 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-11-28 02:58:34,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-11-28 02:58:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:34,859 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:34,859 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 02:58:34,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:34,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2020-11-28 02:58:34,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:34,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521030635] [2020-11-28 02:58:34,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:34,945 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 02:58:34,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521030635] [2020-11-28 02:58:34,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:34,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:34,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105598109] [2020-11-28 02:58:34,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:34,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:34,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:34,947 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-11-28 02:58:34,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:34,994 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-11-28 02:58:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:34,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:58:34,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:34,999 INFO L225 Difference]: With dead ends: 97 [2020-11-28 02:58:34,999 INFO L226 Difference]: Without dead ends: 67 [2020-11-28 02:58:35,000 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 02:58:35,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-28 02:58:35,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-11-28 02:58:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-28 02:58:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-11-28 02:58:35,028 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-11-28 02:58:35,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,029 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-11-28 02:58:35,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-11-28 02:58:35,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:58:35,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:35,031 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,032 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2020-11-28 02:58:35,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082036171] [2020-11-28 02:58:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,130 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 02:58:35,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082036171] [2020-11-28 02:58:35,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:35,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463409900] [2020-11-28 02:58:35,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:35,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:35,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:35,133 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-11-28 02:58:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:35,264 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-11-28 02:58:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:58:35,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 02:58:35,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:35,270 INFO L225 Difference]: With dead ends: 303 [2020-11-28 02:58:35,270 INFO L226 Difference]: Without dead ends: 247 [2020-11-28 02:58:35,271 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 02:58:35,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-11-28 02:58:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-11-28 02:58:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-28 02:58:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-11-28 02:58:35,302 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-11-28 02:58:35,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,303 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-11-28 02:58:35,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-11-28 02:58:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:58:35,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:35,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:35,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:35,307 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:35,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:35,308 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2020-11-28 02:58:35,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:35,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644410663] [2020-11-28 02:58:35,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:35,395 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 02:58:35,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644410663] [2020-11-28 02:58:35,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:35,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:35,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140845849] [2020-11-28 02:58:35,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:35,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:35,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:35,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:35,398 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-11-28 02:58:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:35,495 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-11-28 02:58:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:35,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 02:58:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:35,497 INFO L225 Difference]: With dead ends: 307 [2020-11-28 02:58:35,497 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:35,499 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 02:58:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:35,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:35,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 02:58:35,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:35,500 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:35,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:35,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:35,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:35,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:35,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,772 INFO L274 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L366(lines 366 372) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L270 CegarLoopResult]: At program point L366-1(lines 366 372) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,773 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L270 CegarLoopResult]: At program point L417-1(lines 417 423) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point L236-1(lines 236 244) no Hoare annotation was computed. [2020-11-28 02:58:35,774 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352-3(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352-5(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352-6(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L352-8(lines 352 356) no Hoare annotation was computed. [2020-11-28 02:58:35,775 INFO L274 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2020-11-28 02:58:35,776 INFO L270 CegarLoopResult]: At program point L435-1(lines 200 206) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,776 INFO L270 CegarLoopResult]: At program point L303(lines 298 306) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,776 INFO L270 CegarLoopResult]: At program point L303-1(lines 298 306) the Hoare annotation is: false [2020-11-28 02:58:35,776 INFO L270 CegarLoopResult]: At program point L303-2(lines 298 306) the Hoare annotation is: false [2020-11-28 02:58:35,776 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 02:58:35,776 INFO L270 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2020-11-28 02:58:35,777 INFO L270 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2020-11-28 02:58:35,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:35,777 INFO L270 CegarLoopResult]: At program point L207(lines 207 213) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,777 INFO L270 CegarLoopResult]: At program point L207-1(lines 207 213) the Hoare annotation is: false [2020-11-28 02:58:35,777 INFO L270 CegarLoopResult]: At program point L207-2(lines 207 213) the Hoare annotation is: false [2020-11-28 02:58:35,777 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 02:58:35,778 INFO L277 CegarLoopResult]: At program point L587(lines 568 590) the Hoare annotation is: true [2020-11-28 02:58:35,778 INFO L270 CegarLoopResult]: At program point L554(lines 550 556) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:35,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,781 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-11-28 02:58:35,781 INFO L274 CegarLoopResult]: For program point L473(lines 473 490) no Hoare annotation was computed. [2020-11-28 02:58:35,782 INFO L270 CegarLoopResult]: At program point L473-1(lines 1 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,782 INFO L270 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: false [2020-11-28 02:58:35,782 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-11-28 02:58:35,783 INFO L274 CegarLoopResult]: For program point L473-2(lines 473 490) no Hoare annotation was computed. [2020-11-28 02:58:35,787 INFO L270 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,787 INFO L270 CegarLoopResult]: At program point L473-3(lines 1 956) the Hoare annotation is: false [2020-11-28 02:58:35,787 INFO L274 CegarLoopResult]: For program point L473-4(lines 473 490) no Hoare annotation was computed. [2020-11-28 02:58:35,787 INFO L270 CegarLoopResult]: At program point L473-5(lines 1 956) the Hoare annotation is: false [2020-11-28 02:58:35,787 INFO L270 CegarLoopResult]: At program point L358(lines 343 361) the Hoare annotation is: false [2020-11-28 02:58:35,788 INFO L270 CegarLoopResult]: At program point L358-1(lines 343 361) the Hoare annotation is: false [2020-11-28 02:58:35,788 INFO L270 CegarLoopResult]: At program point L358-2(lines 343 361) the Hoare annotation is: false [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point L477(lines 477 487) no Hoare annotation was computed. [2020-11-28 02:58:35,788 INFO L274 CegarLoopResult]: For program point L510-1(lines 200 206) no Hoare annotation was computed. [2020-11-28 02:58:35,789 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 487) no Hoare annotation was computed. [2020-11-28 02:58:35,789 INFO L274 CegarLoopResult]: For program point L477-4(lines 477 487) no Hoare annotation was computed. [2020-11-28 02:58:35,789 INFO L270 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:35,789 INFO L270 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:35,789 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-28 02:58:35,789 INFO L270 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2020-11-28 02:58:35,789 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:35,789 INFO L274 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-11-28 02:58:35,790 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 484) no Hoare annotation was computed. [2020-11-28 02:58:35,790 INFO L274 CegarLoopResult]: For program point L478-4(lines 478 484) no Hoare annotation was computed. [2020-11-28 02:58:35,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:35,790 INFO L270 CegarLoopResult]: At program point L462(lines 457 464) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:35,790 INFO L274 CegarLoopResult]: For program point L578(lines 578 585) no Hoare annotation was computed. [2020-11-28 02:58:35,790 INFO L277 CegarLoopResult]: At program point L578-1(lines 578 585) the Hoare annotation is: true [2020-11-28 02:58:35,790 INFO L274 CegarLoopResult]: For program point L232(lines 232 249) no Hoare annotation was computed. [2020-11-28 02:58:35,791 INFO L274 CegarLoopResult]: For program point L232-1(lines 232 249) no Hoare annotation was computed. [2020-11-28 02:58:35,791 INFO L274 CegarLoopResult]: For program point L232-2(lines 232 249) no Hoare annotation was computed. [2020-11-28 02:58:35,791 INFO L270 CegarLoopResult]: At program point L67(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:58:35,791 INFO L270 CegarLoopResult]: At program point L447(lines 396 448) the Hoare annotation is: false [2020-11-28 02:58:35,791 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-28 02:58:35,791 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-11-28 02:58:35,791 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-11-28 02:58:35,792 INFO L274 CegarLoopResult]: For program point L398(lines 397 446) no Hoare annotation was computed. [2020-11-28 02:58:35,792 INFO L270 CegarLoopResult]: At program point L200(lines 199 218) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:58:35,792 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2020-11-28 02:58:35,792 INFO L270 CegarLoopResult]: At program point L200-2(lines 199 218) the Hoare annotation is: false [2020-11-28 02:58:35,792 INFO L270 CegarLoopResult]: At program point L200-3(lines 199 218) the Hoare annotation is: false [2020-11-28 02:58:35,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:35 BoogieIcfgContainer [2020-11-28 02:58:35,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:35,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:35,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:35,822 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:35,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:34" (3/4) ... [2020-11-28 02:58:35,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:35,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:35,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:35,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:35,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:35,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:35,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:35,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:35,883 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:58:35,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fc9bed22-fd55-46c2-9866-f8b89ce7cfd8/bin/uautomizer/witness.graphml [2020-11-28 02:58:35,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:35,988 INFO L168 Benchmark]: Toolchain (without parser) took 3621.90 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 56.5 MB in the beginning and 55.6 MB in the end (delta: 902.1 kB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,988 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:35,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.41 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 56.2 MB in the beginning and 68.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.43 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,990 INFO L168 Benchmark]: Boogie Preprocessor took 81.45 ms. Allocated memory is still 100.7 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,990 INFO L168 Benchmark]: RCFGBuilder took 988.06 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 43.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,991 INFO L168 Benchmark]: TraceAbstraction took 1706.74 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 43.2 MB in the beginning and 62.8 MB in the end (delta: -19.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:35,991 INFO L168 Benchmark]: Witness Printer took 163.40 ms. Allocated memory is still 121.6 MB. Free memory was 62.8 MB in the beginning and 55.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:35,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 588.41 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 56.2 MB in the beginning and 68.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.43 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.45 ms. Allocated memory is still 100.7 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 988.06 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 43.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1706.74 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 43.2 MB in the beginning and 62.8 MB in the end (delta: -19.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 163.40 ms. Allocated memory is still 121.6 MB. Free memory was 62.8 MB in the beginning and 55.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 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: 298]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 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: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...