./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.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_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/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 13018d05e5180308d22b24564c440286d54746ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:51:51,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:51:51,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:51:51,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:51:51,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:51:51,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:51:51,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:51:51,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:51:51,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:51:51,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:51:51,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:51:51,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:51:51,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:51:51,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:51:51,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:51:51,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:51:51,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:51:51,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:51:51,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:51:51,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:51:51,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:51:51,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:51:51,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:51:51,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:51:51,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:51:51,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:51:51,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:51:51,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:51:51,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:51:51,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:51:51,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:51:51,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:51:51,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:51:51,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:51:51,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:51:51,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:51:51,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:51:51,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:51:51,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:51:51,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:51:51,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:51:51,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:51:51,456 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:51:51,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:51:51,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:51:51,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:51:51,460 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:51:51,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:51:51,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:51:51,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:51:51,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:51:51,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:51:51,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:51:51,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:51:51,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:51:51,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:51:51,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:51:51,463 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:51:51,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:51:51,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:51:51,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:51:51,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:51:51,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:51:51,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:51:51,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:51:51,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:51:51,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:51:51,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:51:51,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:51:51,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:51:51,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:51:51,466 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_201aac31-da8a-4656-a1bf-75fc9d02b36f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2020-11-30 00:51:51,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:51:51,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:51:51,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:51:51,873 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:51:51,875 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:51:51,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-11-30 00:51:51,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/data/12a00b4d1/4cda967efc50486f8cae34b2c8c021be/FLAG0233298f6 [2020-11-30 00:51:52,632 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:51:52,633 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2020-11-30 00:51:52,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/data/12a00b4d1/4cda967efc50486f8cae34b2c8c021be/FLAG0233298f6 [2020-11-30 00:51:52,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/data/12a00b4d1/4cda967efc50486f8cae34b2c8c021be [2020-11-30 00:51:52,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:51:52,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:51:52,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:51:52,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:51:52,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:51:52,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:51:52" (1/1) ... [2020-11-30 00:51:52,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8ea2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:52, skipping insertion in model container [2020-11-30 00:51:52,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:51:52" (1/1) ... [2020-11-30 00:51:52,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:51:52,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:51:53,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:51:53,403 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:51:53,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:51:53,553 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:51:53,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53 WrapperNode [2020-11-30 00:51:53,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:51:53,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:51:53,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:51:53,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:51:53,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:51:53,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:51:53,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:51:53,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:51:53,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... [2020-11-30 00:51:53,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:51:53,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:51:53,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:51:53,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:51:53,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/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 [2020-11-30 00:51:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:51:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:51:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:51:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:51:54,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:51:54,866 INFO L298 CfgBuilder]: Removed 72 assume(true) statements. [2020-11-30 00:51:54,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:51:54 BoogieIcfgContainer [2020-11-30 00:51:54,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:51:54,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:51:54,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:51:54,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:51:54,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:51:52" (1/3) ... [2020-11-30 00:51:54,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b40bd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:51:54, skipping insertion in model container [2020-11-30 00:51:54,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:51:53" (2/3) ... [2020-11-30 00:51:54,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b40bd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:51:54, skipping insertion in model container [2020-11-30 00:51:54,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:51:54" (3/3) ... [2020-11-30 00:51:54,882 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-11-30 00:51:54,893 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:51:54,898 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:51:54,907 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:51:54,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:51:54,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:51:54,941 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:51:54,941 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:51:54,941 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:51:54,941 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:51:54,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:51:54,942 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:51:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-30 00:51:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:51:54,966 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:51:54,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:51:54,967 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:51:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:51:54,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2101252973, now seen corresponding path program 1 times [2020-11-30 00:51:54,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:51:54,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129421781] [2020-11-30 00:51:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:51:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:51:55,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:51:55,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129421781] [2020-11-30 00:51:55,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:51:55,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:51:55,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102277522] [2020-11-30 00:51:55,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:51:55,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:51:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:51:55,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:51:55,378 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-30 00:51:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:51:55,416 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-30 00:51:55,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:51:55,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 00:51:55,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:51:55,430 INFO L225 Difference]: With dead ends: 111 [2020-11-30 00:51:55,430 INFO L226 Difference]: Without dead ends: 53 [2020-11-30 00:51:55,443 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 [2020-11-30 00:51:55,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-30 00:51:55,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-30 00:51:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-30 00:51:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-30 00:51:55,488 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-30 00:51:55,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:51:55,488 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-30 00:51:55,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:51:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-30 00:51:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:51:55,489 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:51:55,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:51:55,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:51:55,490 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:51:55,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:51:55,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1462582574, now seen corresponding path program 1 times [2020-11-30 00:51:55,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:51:55,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750672478] [2020-11-30 00:51:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:51:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:51:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:51:55,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750672478] [2020-11-30 00:51:55,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:51:55,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:51:55,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449221618] [2020-11-30 00:51:55,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:51:55,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:51:55,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:51:55,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:51:55,636 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-11-30 00:51:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:51:55,646 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-30 00:51:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:51:55,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 00:51:55,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:51:55,648 INFO L225 Difference]: With dead ends: 53 [2020-11-30 00:51:55,648 INFO L226 Difference]: Without dead ends: 27 [2020-11-30 00:51:55,649 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 [2020-11-30 00:51:55,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-30 00:51:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-30 00:51:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 00:51:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-30 00:51:55,659 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-30 00:51:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:51:55,659 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-30 00:51:55,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:51:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-30 00:51:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:51:55,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:51:55,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:51:55,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:51:55,661 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:51:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:51:55,661 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2020-11-30 00:51:55,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:51:55,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378126950] [2020-11-30 00:51:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:51:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:51:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:51:55,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378126950] [2020-11-30 00:51:55,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:51:55,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:51:55,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31219837] [2020-11-30 00:51:55,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:51:55,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:51:55,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:51:55,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:51:55,854 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2020-11-30 00:51:56,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:51:56,030 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2020-11-30 00:51:56,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:51:56,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-30 00:51:56,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:51:56,034 INFO L225 Difference]: With dead ends: 109 [2020-11-30 00:51:56,034 INFO L226 Difference]: Without dead ends: 88 [2020-11-30 00:51:56,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:51:56,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-11-30 00:51:56,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2020-11-30 00:51:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-30 00:51:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2020-11-30 00:51:56,059 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2020-11-30 00:51:56,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:51:56,060 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2020-11-30 00:51:56,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:51:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2020-11-30 00:51:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:51:56,063 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:51:56,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:51:56,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:51:56,064 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:51:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:51:56,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2020-11-30 00:51:56,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:51:56,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536302034] [2020-11-30 00:51:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:51:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:51:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:51:56,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536302034] [2020-11-30 00:51:56,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:51:56,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:51:56,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439682407] [2020-11-30 00:51:56,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:51:56,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:51:56,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:51:56,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:51:56,200 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2020-11-30 00:51:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:51:56,271 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2020-11-30 00:51:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:51:56,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-30 00:51:56,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:51:56,272 INFO L225 Difference]: With dead ends: 130 [2020-11-30 00:51:56,272 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:51:56,273 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 [2020-11-30 00:51:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:51:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:51:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:51:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:51:56,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-11-30 00:51:56,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:51:56,275 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:51:56,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:51:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:51:56,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:51:56,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:51:56,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:51:56,565 INFO L270 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,565 INFO L270 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-11-30 00:51:56,566 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,566 INFO L270 CegarLoopResult]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-11-30 00:51:56,566 INFO L270 CegarLoopResult]: At program point L432(lines 385 433) the Hoare annotation is: false [2020-11-30 00:51:56,566 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-30 00:51:56,566 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,566 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,566 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,567 INFO L274 CegarLoopResult]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-11-30 00:51:56,567 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:51:56,567 INFO L274 CegarLoopResult]: For program point L450(lines 450 463) no Hoare annotation was computed. [2020-11-30 00:51:56,567 INFO L270 CegarLoopResult]: At program point L450-1(lines 1 841) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,567 INFO L274 CegarLoopResult]: For program point L450-2(lines 450 463) no Hoare annotation was computed. [2020-11-30 00:51:56,567 INFO L270 CegarLoopResult]: At program point L450-3(lines 1 841) the Hoare annotation is: false [2020-11-30 00:51:56,567 INFO L274 CegarLoopResult]: For program point L450-4(lines 450 463) no Hoare annotation was computed. [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L450-5(lines 1 841) the Hoare annotation is: false [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L252(lines 1 841) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L335(lines 330 338) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2020-11-30 00:51:56,568 INFO L270 CegarLoopResult]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2020-11-30 00:51:56,568 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L387(lines 386 431) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L454(lines 454 460) no Hoare annotation was computed. [2020-11-30 00:51:56,569 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 460) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L454-4(lines 454 460) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L58-1(lines 276 282) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-11-30 00:51:56,570 INFO L274 CegarLoopResult]: For program point L422-2(lines 276 282) no Hoare annotation was computed. [2020-11-30 00:51:56,571 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-11-30 00:51:56,571 INFO L274 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-11-30 00:51:56,586 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,586 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-11-30 00:51:56,586 INFO L274 CegarLoopResult]: For program point L472-2(line 472) no Hoare annotation was computed. [2020-11-30 00:51:56,587 INFO L270 CegarLoopResult]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,587 INFO L270 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,587 INFO L270 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2020-11-30 00:51:56,587 INFO L270 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2020-11-30 00:51:56,587 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:51:56,588 INFO L270 CegarLoopResult]: At program point L276(lines 275 294) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,588 INFO L274 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-11-30 00:51:56,588 INFO L270 CegarLoopResult]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-11-30 00:51:56,588 INFO L270 CegarLoopResult]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-11-30 00:51:56,589 INFO L270 CegarLoopResult]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:51:56,589 INFO L274 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-11-30 00:51:56,589 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:51:56,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:51:56,589 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-11-30 00:51:56,590 INFO L270 CegarLoopResult]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:51:56,590 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-30 00:51:56,590 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-30 00:51:56,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:51:56 BoogieIcfgContainer [2020-11-30 00:51:56,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:51:56,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:51:56,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:51:56,623 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:51:56,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:51:54" (3/4) ... [2020-11-30 00:51:56,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:51:56,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:51:56,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:51:56,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:51:56,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:51:56,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:51:56,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:51:56,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:51:56,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:51:56,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_201aac31-da8a-4656-a1bf-75fc9d02b36f/bin/uautomizer/witness.graphml [2020-11-30 00:51:56,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:51:56,780 INFO L168 Benchmark]: Toolchain (without parser) took 3888.38 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 81.5 MB in the beginning and 92.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,780 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 47.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:51:56,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.09 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.86 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 76.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,782 INFO L168 Benchmark]: Boogie Preprocessor took 70.32 ms. Allocated memory is still 111.1 MB. Free memory was 76.1 MB in the beginning and 74.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,782 INFO L168 Benchmark]: RCFGBuilder took 1163.38 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,783 INFO L168 Benchmark]: TraceAbstraction took 1749.16 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 97.7 MB in the end (delta: -26.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,783 INFO L168 Benchmark]: Witness Printer took 155.08 ms. Allocated memory is still 136.3 MB. Free memory was 97.7 MB in the beginning and 92.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:56,786 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 92.3 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 47.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.09 ms. Allocated memory is still 111.1 MB. Free memory was 81.5 MB in the beginning and 79.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.86 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 76.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.32 ms. Allocated memory is still 111.1 MB. Free memory was 76.1 MB in the beginning and 74.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1163.38 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1749.16 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 71.7 MB in the beginning and 97.7 MB in the end (delta: -26.0 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. * Witness Printer took 155.08 ms. Allocated memory is still 136.3 MB. Free memory was 97.7 MB in the beginning and 92.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 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=60occurred 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, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 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...