./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.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_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/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 6bc56b3d4460bea28e0863848945154ca9602d93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:39,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:39,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:39,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:39,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:39,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:39,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:39,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:39,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:39,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:39,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:39,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:39,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:39,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:39,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:39,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:39,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:39,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:39,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:39,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:39,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:39,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:39,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:39,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:39,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:39,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:39,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:39,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:39,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:39,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:39,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:39,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:39,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:39,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:39,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:39,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:39,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:39,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:39,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:39,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:39,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:39,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:39,804 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:39,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:39,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:39,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:39,806 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:39,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:39,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:39,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:39,808 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:39,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:39,808 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:39,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:39,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:39,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:39,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:39,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:39,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:39,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:39,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:39,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:39,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:39,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:39,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:39,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:39,811 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_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc56b3d4460bea28e0863848945154ca9602d93 [2020-11-28 03:19:40,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:40,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:40,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:40,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:40,121 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:40,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-28 03:19:40,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/data/46d911c96/6397f25bbd9a4b93a6914c1dcbb19f9c/FLAG4d837e46a [2020-11-28 03:19:40,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:40,650 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-11-28 03:19:40,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/data/46d911c96/6397f25bbd9a4b93a6914c1dcbb19f9c/FLAG4d837e46a [2020-11-28 03:19:40,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/data/46d911c96/6397f25bbd9a4b93a6914c1dcbb19f9c [2020-11-28 03:19:40,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:40,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:40,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:40,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:40,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:40,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:40" (1/1) ... [2020-11-28 03:19:40,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b05dd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:40, skipping insertion in model container [2020-11-28 03:19:40,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:40" (1/1) ... [2020-11-28 03:19:40,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:41,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:41,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:41,380 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:41,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:41,480 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:41,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41 WrapperNode [2020-11-28 03:19:41,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:41,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:41,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:41,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:41,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:41,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:41,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:41,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:41,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... [2020-11-28 03:19:41,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:41,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:41,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:41,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:41,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/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 03:19:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:42,549 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:42,549 INFO L298 CfgBuilder]: Removed 112 assume(true) statements. [2020-11-28 03:19:42,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42 BoogieIcfgContainer [2020-11-28 03:19:42,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:42,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:42,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:42,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:42,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:40" (1/3) ... [2020-11-28 03:19:42,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73aad2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:42, skipping insertion in model container [2020-11-28 03:19:42,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:41" (2/3) ... [2020-11-28 03:19:42,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73aad2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:42, skipping insertion in model container [2020-11-28 03:19:42,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42" (3/3) ... [2020-11-28 03:19:42,566 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-11-28 03:19:42,579 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:42,584 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:19:42,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:19:42,630 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:42,631 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:42,631 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:42,632 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:42,632 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:42,633 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:42,633 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:42,633 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-28 03:19:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:19:42,654 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:42,655 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 03:19:42,655 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:42,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:42,660 INFO L82 PathProgramCache]: Analyzing trace with hash 785714734, now seen corresponding path program 1 times [2020-11-28 03:19:42,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:42,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418184504] [2020-11-28 03:19:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:42,958 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 03:19:42,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418184504] [2020-11-28 03:19:42,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:42,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:42,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531326836] [2020-11-28 03:19:42,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:42,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:42,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:42,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:42,983 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-28 03:19:43,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,032 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-28 03:19:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:43,034 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:19:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,054 INFO L225 Difference]: With dead ends: 151 [2020-11-28 03:19:43,054 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:19:43,058 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 03:19:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:19:43,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-28 03:19:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-28 03:19:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-28 03:19:43,112 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2020-11-28 03:19:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,112 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-28 03:19:43,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-28 03:19:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:19:43,115 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,115 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 03:19:43,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:43,116 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,119 INFO L82 PathProgramCache]: Analyzing trace with hash -125316019, now seen corresponding path program 1 times [2020-11-28 03:19:43,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134704448] [2020-11-28 03:19:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,270 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 03:19:43,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134704448] [2020-11-28 03:19:43,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:43,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212289585] [2020-11-28 03:19:43,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:43,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:43,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:43,274 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-28 03:19:43,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,294 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-28 03:19:43,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:43,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:19:43,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,297 INFO L225 Difference]: With dead ends: 73 [2020-11-28 03:19:43,297 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:19:43,298 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 03:19:43,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:19:43,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:19:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:19:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:19:43,303 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 03:19:43,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,303 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:19:43,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:19:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:19:43,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,310 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 03:19:43,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:43,310 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2020-11-28 03:19:43,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342463383] [2020-11-28 03:19:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,454 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 03:19:43,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342463383] [2020-11-28 03:19:43,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:43,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139301860] [2020-11-28 03:19:43,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:43,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:43,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:43,456 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-11-28 03:19:43,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,696 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2020-11-28 03:19:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:43,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:19:43,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,701 INFO L225 Difference]: With dead ends: 118 [2020-11-28 03:19:43,701 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 03:19:43,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:43,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 03:19:43,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2020-11-28 03:19:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-28 03:19:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-11-28 03:19:43,712 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2020-11-28 03:19:43,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,713 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-11-28 03:19:43,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-11-28 03:19:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:19:43,716 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:43,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:43,718 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2020-11-28 03:19:43,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619009097] [2020-11-28 03:19:43,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:43,821 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 03:19:43,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619009097] [2020-11-28 03:19:43,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:43,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:43,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89410548] [2020-11-28 03:19:43,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:43,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:43,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:43,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:43,823 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-11-28 03:19:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:43,927 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2020-11-28 03:19:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:43,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:19:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:43,930 INFO L225 Difference]: With dead ends: 292 [2020-11-28 03:19:43,930 INFO L226 Difference]: Without dead ends: 242 [2020-11-28 03:19:43,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:19:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-11-28 03:19:43,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2020-11-28 03:19:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-28 03:19:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2020-11-28 03:19:43,957 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2020-11-28 03:19:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:43,957 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2020-11-28 03:19:43,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2020-11-28 03:19:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:19:43,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:43,961 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 03:19:43,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:43,961 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:43,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:43,962 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2020-11-28 03:19:43,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:43,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053249650] [2020-11-28 03:19:43,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:44,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:44,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:44,194 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:44,194 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:19:44,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:44,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:44 BoogieIcfgContainer [2020-11-28 03:19:44,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:44,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:44,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:44,343 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:44,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:42" (3/4) ... [2020-11-28 03:19:44,345 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:19:44,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0f60d3ce-3350-401b-87e1-ea6f4d2f7b4d/bin/uautomizer/witness.graphml [2020-11-28 03:19:44,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:44,426 INFO L168 Benchmark]: Toolchain (without parser) took 3453.17 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 61.4 MB in the beginning and 82.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,427 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:44,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.57 ms. Allocated memory is still 98.6 MB. Free memory was 61.2 MB in the beginning and 65.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.05 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 62.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,428 INFO L168 Benchmark]: Boogie Preprocessor took 87.75 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,429 INFO L168 Benchmark]: RCFGBuilder took 907.70 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 42.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,429 INFO L168 Benchmark]: TraceAbstraction took 1787.27 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 42.0 MB in the beginning and 94.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,430 INFO L168 Benchmark]: Witness Printer took 84.44 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 82.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:44,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 506.57 ms. Allocated memory is still 98.6 MB. Free memory was 61.2 MB in the beginning and 65.5 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.05 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 62.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.75 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 907.70 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 42.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1787.27 ms. Allocated memory was 98.6 MB in the beginning and 121.6 MB in the end (delta: 23.1 MB). Free memory was 42.0 MB in the beginning and 94.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Witness Printer took 84.44 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 82.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L813] int waterLevel = 1; [L814] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] int retValue_acc ; [L168] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] tmp = valid_product() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] int splverifierCounter ; [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L751] int tmp___2 ; [L754] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] tmp = __VERIFIER_nondet_int() [L766] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] COND TRUE waterLevel < 2 [L832] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] tmp___0 = __VERIFIER_nondet_int() [L776] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L784] tmp___2 = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L634] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L852] int retValue_acc ; [L855] retValue_acc = methaneLevelCritical [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L884] int retValue_acc ; [L887] retValue_acc = waterLevel [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L686] int retValue_acc ; [L689] retValue_acc = pumpRunning [L690] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product07.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 404 SDslu, 451 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 4 MinimizatonAttempts, 175 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 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 incorrect! Received shutdown request...