./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC --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 d243c5cece7784e202dce518871ac1b87d0254ec ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:59,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:59,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:59,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:59,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:59,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:59,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:59,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:59,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:59,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:59,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:59,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:59,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:59,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:59,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:59,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:59,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:59,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:59,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:59,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:59,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:59,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:59,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:59,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:59,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:59,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:59,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:59,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:59,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:59,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:59,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:59,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:59,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:59,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:59,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:59,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:59,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:59,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:59,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:59,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:59,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:59,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:59,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:59,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:59,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:59,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:59,804 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:59,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:59,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:59,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:59,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:59,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:59,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:59,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:59,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:59,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:59,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:59,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:59,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:59,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:59,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:59,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:59,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:59,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:59,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:59,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:59,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:59,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:59,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:59,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:59,817 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_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d243c5cece7784e202dce518871ac1b87d0254ec [2021-10-11 00:32:00,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:00,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:00,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:00,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:00,155 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:00,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 00:32:00,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/data/f558c4682/e0f426ebe29e4232848625dd67eec6ea/FLAG17d3d7a1a [2021-10-11 00:32:00,756 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:00,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-11 00:32:00,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/data/f558c4682/e0f426ebe29e4232848625dd67eec6ea/FLAG17d3d7a1a [2021-10-11 00:32:01,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/data/f558c4682/e0f426ebe29e4232848625dd67eec6ea [2021-10-11 00:32:01,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:01,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:01,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:01,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:01,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:01,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a04b31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01, skipping insertion in model container [2021-10-11 00:32:01,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:01,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:01,315 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 00:32:01,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:01,452 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:01,471 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2573,2586] [2021-10-11 00:32:01,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:01,587 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:01,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01 WrapperNode [2021-10-11 00:32:01,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:01,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:01,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:01,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:01,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:01,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:01,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:01,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:01,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... [2021-10-11 00:32:01,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:01,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:01,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:01,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:01,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:32:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:01,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:02,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:02,689 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 00:32:02,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:02 BoogieIcfgContainer [2021-10-11 00:32:02,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:02,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:02,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:02,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:02,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:01" (1/3) ... [2021-10-11 00:32:02,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293e4cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:02, skipping insertion in model container [2021-10-11 00:32:02,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:01" (2/3) ... [2021-10-11 00:32:02,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293e4cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:02, skipping insertion in model container [2021-10-11 00:32:02,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:02" (3/3) ... [2021-10-11 00:32:02,699 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2021-10-11 00:32:02,712 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:02,716 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:02,727 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:02,750 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:02,750 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:02,750 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:02,751 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:02,751 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:02,751 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:02,751 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:02,751 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2021-10-11 00:32:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:32:02,772 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:02,772 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:02,773 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:02,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-11 00:32:02,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:02,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234403945] [2021-10-11 00:32:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:03,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234403945] [2021-10-11 00:32:03,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:03,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:03,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441595942] [2021-10-11 00:32:03,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:03,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:03,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:03,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:03,121 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2021-10-11 00:32:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:03,149 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-11 00:32:03,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:03,150 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:32:03,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:03,160 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:32:03,161 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 00:32:03,164 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 [2021-10-11 00:32:03,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 00:32:03,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 00:32:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 00:32:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 00:32:03,235 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-11 00:32:03,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:03,235 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 00:32:03,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:03,235 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 00:32:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:32:03,237 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:03,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:03,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:03,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:03,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-11 00:32:03,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:03,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534800984] [2021-10-11 00:32:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:03,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534800984] [2021-10-11 00:32:03,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:03,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:03,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795300714] [2021-10-11 00:32:03,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:03,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:03,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:03,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:03,358 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2021-10-11 00:32:03,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:03,375 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-11 00:32:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:03,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:32:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:03,380 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:32:03,380 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:32:03,382 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 [2021-10-11 00:32:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:32:03,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:32:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:32:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:32:03,390 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-11 00:32:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:03,391 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:32:03,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:32:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:32:03,391 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:03,391 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] [2021-10-11 00:32:03,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:03,392 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:03,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:03,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-11 00:32:03,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:03,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576197016] [2021-10-11 00:32:03,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:03,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576197016] [2021-10-11 00:32:03,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:03,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:03,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244210550] [2021-10-11 00:32:03,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:03,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:03,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:03,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:03,475 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 00:32:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:03,489 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-10-11 00:32:03,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:03,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:32:03,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:03,491 INFO L225 Difference]: With dead ends: 93 [2021-10-11 00:32:03,491 INFO L226 Difference]: Without dead ends: 64 [2021-10-11 00:32:03,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:03,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-10-11 00:32:03,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2021-10-11 00:32:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:32:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2021-10-11 00:32:03,502 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2021-10-11 00:32:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:03,502 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2021-10-11 00:32:03,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2021-10-11 00:32:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:32:03,503 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:03,504 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] [2021-10-11 00:32:03,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:03,504 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:03,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-11 00:32:03,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:03,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426355077] [2021-10-11 00:32:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:03,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426355077] [2021-10-11 00:32:03,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:03,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:03,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828958175] [2021-10-11 00:32:03,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:32:03,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:03,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:32:03,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:03,597 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 6 states. [2021-10-11 00:32:03,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:03,905 INFO L93 Difference]: Finished difference Result 356 states and 545 transitions. [2021-10-11 00:32:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:32:03,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 00:32:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:03,910 INFO L225 Difference]: With dead ends: 356 [2021-10-11 00:32:03,910 INFO L226 Difference]: Without dead ends: 302 [2021-10-11 00:32:03,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:32:03,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-10-11 00:32:03,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 106. [2021-10-11 00:32:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-10-11 00:32:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2021-10-11 00:32:03,931 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 23 [2021-10-11 00:32:03,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:03,932 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2021-10-11 00:32:03,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:32:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2021-10-11 00:32:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:32:03,933 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:03,934 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] [2021-10-11 00:32:03,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:03,934 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:03,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:03,935 INFO L82 PathProgramCache]: Analyzing trace with hash -597226253, now seen corresponding path program 1 times [2021-10-11 00:32:03,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:03,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254355863] [2021-10-11 00:32:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:03,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254355863] [2021-10-11 00:32:03,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:03,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:03,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420852027] [2021-10-11 00:32:03,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:03,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:03,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:03,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:03,997 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand 5 states. [2021-10-11 00:32:04,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:04,072 INFO L93 Difference]: Finished difference Result 304 states and 459 transitions. [2021-10-11 00:32:04,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:04,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:32:04,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:04,075 INFO L225 Difference]: With dead ends: 304 [2021-10-11 00:32:04,075 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:04,080 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 [2021-10-11 00:32:04,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:04,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:04,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:32:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:04,081 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:04,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:04,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:04,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:32:04,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:04,370 INFO L262 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L262 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2021-10-11 00:32:04,371 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:32:04,372 INFO L258 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-10-11 00:32:04,372 INFO L262 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2021-10-11 00:32:04,372 INFO L262 CegarLoopResult]: For program point L385-1(lines 385 402) no Hoare annotation was computed. [2021-10-11 00:32:04,372 INFO L262 CegarLoopResult]: For program point L385-2(lines 385 402) no Hoare annotation was computed. [2021-10-11 00:32:04,373 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:32:04,373 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:04,374 INFO L258 CegarLoopResult]: At program point L353(lines 352 371) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,374 INFO L262 CegarLoopResult]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2021-10-11 00:32:04,375 INFO L258 CegarLoopResult]: At program point L353-2(lines 352 371) the Hoare annotation is: false [2021-10-11 00:32:04,375 INFO L258 CegarLoopResult]: At program point L353-3(lines 352 371) the Hoare annotation is: false [2021-10-11 00:32:04,376 INFO L258 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: false [2021-10-11 00:32:04,376 INFO L258 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2021-10-11 00:32:04,376 INFO L262 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2021-10-11 00:32:04,376 INFO L258 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2021-10-11 00:32:04,377 INFO L262 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2021-10-11 00:32:04,377 INFO L258 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,377 INFO L262 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-10-11 00:32:04,377 INFO L258 CegarLoopResult]: At program point L553(lines 1 930) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:04,377 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-11 00:32:04,377 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:04,377 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:32:04,378 INFO L262 CegarLoopResult]: For program point L58-1(lines 353 359) no Hoare annotation was computed. [2021-10-11 00:32:04,379 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:32:04,382 INFO L262 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2021-10-11 00:32:04,382 INFO L262 CegarLoopResult]: For program point L389-1(lines 389 397) no Hoare annotation was computed. [2021-10-11 00:32:04,383 INFO L262 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2021-10-11 00:32:04,383 INFO L262 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2021-10-11 00:32:04,384 INFO L258 CegarLoopResult]: At program point L323-1(lines 353 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,384 INFO L262 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,385 INFO L262 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,385 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,386 INFO L262 CegarLoopResult]: For program point L505-3(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,386 INFO L262 CegarLoopResult]: For program point L505-5(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,386 INFO L262 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-10-11 00:32:04,386 INFO L262 CegarLoopResult]: For program point L505-6(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,392 INFO L258 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,392 INFO L262 CegarLoopResult]: For program point L505-8(lines 505 509) no Hoare annotation was computed. [2021-10-11 00:32:04,392 INFO L258 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,392 INFO L258 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2021-10-11 00:32:04,392 INFO L258 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2021-10-11 00:32:04,393 INFO L262 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2021-10-11 00:32:04,393 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2021-10-11 00:32:04,393 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:04,393 INFO L262 CegarLoopResult]: For program point L193-6(lines 193 197) no Hoare annotation was computed. [2021-10-11 00:32:04,393 INFO L258 CegarLoopResult]: At program point L360(lines 360 366) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,393 INFO L258 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: false [2021-10-11 00:32:04,393 INFO L258 CegarLoopResult]: At program point L360-2(lines 360 366) the Hoare annotation is: false [2021-10-11 00:32:04,393 INFO L258 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2021-10-11 00:32:04,394 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L511(lines 496 514) the Hoare annotation is: false [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L511-1(lines 496 514) the Hoare annotation is: false [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L511-2(lines 496 514) the Hoare annotation is: false [2021-10-11 00:32:04,394 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,394 INFO L258 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:32:04,395 INFO L262 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-10-11 00:32:04,395 INFO L258 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,395 INFO L262 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2021-10-11 00:32:04,395 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:32:04,395 INFO L258 CegarLoopResult]: At program point L165-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:32:04,395 INFO L262 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2021-10-11 00:32:04,395 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:32:04,395 INFO L258 CegarLoopResult]: At program point L165-3(lines 1 930) the Hoare annotation is: false [2021-10-11 00:32:04,396 INFO L262 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2021-10-11 00:32:04,396 INFO L258 CegarLoopResult]: At program point L165-5(lines 1 930) the Hoare annotation is: false [2021-10-11 00:32:04,396 INFO L262 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,396 INFO L262 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,396 INFO L262 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2021-10-11 00:32:04,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:04 BoogieIcfgContainer [2021-10-11 00:32:04,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:04,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:04,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:04,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:04,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:02" (3/4) ... [2021-10-11 00:32:04,431 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:04,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:32:04,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:32:04,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:32:04,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:32:04,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:32:04,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:04,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:04,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:32:04,538 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_527a6794-33c4-492e-b174-4587fa219bbe/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:04,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:04,541 INFO L168 Benchmark]: Toolchain (without parser) took 3478.27 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 43.6 MB in the beginning and 69.6 MB in the end (delta: -26.0 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,541 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 79.7 MB. Free memory is still 61.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:04,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.51 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 43.4 MB in the beginning and 67.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.71 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 64.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,543 INFO L168 Benchmark]: Boogie Preprocessor took 61.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 62.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,543 INFO L168 Benchmark]: RCFGBuilder took 968.09 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 54.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,544 INFO L168 Benchmark]: TraceAbstraction took 1732.15 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 75.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,544 INFO L168 Benchmark]: Witness Printer took 113.67 ms. Allocated memory is still 123.7 MB. Free memory was 75.9 MB in the beginning and 69.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:04,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 79.7 MB. Free memory is still 61.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.51 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 43.4 MB in the beginning and 67.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.71 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 64.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.88 ms. Allocated memory is still 100.7 MB. Free memory was 64.5 MB in the beginning and 62.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 968.09 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 54.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1732.15 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 54.2 MB in the beginning and 75.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 113.67 ms. Allocated memory is still 123.7 MB. Free memory was 75.9 MB in the beginning and 69.6 MB in the end (delta: 6.3 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: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 150]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 324 SDtfs, 415 SDslu, 488 SDs, 0 SdLazy, 115 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 120 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3996 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...