./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:29,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:29,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:29,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:29,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:29,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:29,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:29,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:29,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:29,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:29,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:29,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:29,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:29,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:29,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:29,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:29,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:29,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:29,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:29,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:29,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:29,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:29,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:29,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:29,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:29,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:29,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:29,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:29,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:29,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:29,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:29,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:29,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:29,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:29,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:29,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:29,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:29,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:29,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:29,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:29,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:29,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:10:29,794 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:29,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:29,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:29,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:29,797 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:29,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:29,798 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:29,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:29,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:29,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:29,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:10:29,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:10:29,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:10:29,803 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:29,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:29,804 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:29,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:10:29,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:29,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:29,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:10:29,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:10:29,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:29,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:29,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:10:29,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:10:29,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:29,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:10:29,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:10:29,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:29,808 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_fec582d2-7ed3-4206-9306-5fafda6d1c5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2020-11-28 03:10:30,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:30,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:30,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:30,146 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:30,148 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:30,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-28 03:10:30,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/data/9e5521521/03e7b5aa9b1f4ac2a563c8560d91d7f6/FLAGf8951fb6f [2020-11-28 03:10:30,886 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:30,887 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-28 03:10:30,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/data/9e5521521/03e7b5aa9b1f4ac2a563c8560d91d7f6/FLAGf8951fb6f [2020-11-28 03:10:31,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/data/9e5521521/03e7b5aa9b1f4ac2a563c8560d91d7f6 [2020-11-28 03:10:31,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:31,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:31,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:31,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:31,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:31,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dc5fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31, skipping insertion in model container [2020-11-28 03:10:31,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:31,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:31,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:31,581 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:31,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:31,732 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:31,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31 WrapperNode [2020-11-28 03:10:31,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:31,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:31,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:31,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:31,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:31,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:31,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:31,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:31,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... [2020-11-28 03:10:31,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:31,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:31,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:31,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:31,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/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 03:10:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:10:33,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:10:33,028 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-28 03:10:33,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33 BoogieIcfgContainer [2020-11-28 03:10:33,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:10:33,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:10:33,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:10:33,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:10:33,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:31" (1/3) ... [2020-11-28 03:10:33,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409e7555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:33, skipping insertion in model container [2020-11-28 03:10:33,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:31" (2/3) ... [2020-11-28 03:10:33,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409e7555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:33, skipping insertion in model container [2020-11-28 03:10:33,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33" (3/3) ... [2020-11-28 03:10:33,038 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-11-28 03:10:33,049 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:10:33,053 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:10:33,065 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:10:33,100 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:10:33,100 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:10:33,100 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:10:33,100 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:10:33,100 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:10:33,100 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:10:33,101 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:10:33,101 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:10:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-28 03:10:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:10:33,125 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:33,126 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 03:10:33,126 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:33,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:33,135 INFO L82 PathProgramCache]: Analyzing trace with hash -2046385212, now seen corresponding path program 1 times [2020-11-28 03:10:33,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:33,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902598873] [2020-11-28 03:10:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:33,414 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 03:10:33,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902598873] [2020-11-28 03:10:33,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:33,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:10:33,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375800718] [2020-11-28 03:10:33,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:10:33,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:33,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:10:33,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:10:33,434 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-28 03:10:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:33,463 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-11-28 03:10:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:10:33,464 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:10:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:33,474 INFO L225 Difference]: With dead ends: 218 [2020-11-28 03:10:33,474 INFO L226 Difference]: Without dead ends: 107 [2020-11-28 03:10:33,478 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 03:10:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-28 03:10:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-28 03:10:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-28 03:10:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-11-28 03:10:33,536 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-11-28 03:10:33,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:33,537 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-11-28 03:10:33,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:10:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-11-28 03:10:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:10:33,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:33,542 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 03:10:33,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:10:33,542 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:33,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:33,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2029746115, now seen corresponding path program 1 times [2020-11-28 03:10:33,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:33,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769065302] [2020-11-28 03:10:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:33,696 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 03:10:33,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769065302] [2020-11-28 03:10:33,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:33,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:33,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879933777] [2020-11-28 03:10:33,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:33,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:33,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:33,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:33,699 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-11-28 03:10:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:33,724 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-11-28 03:10:33,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:33,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:10:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:33,728 INFO L225 Difference]: With dead ends: 107 [2020-11-28 03:10:33,729 INFO L226 Difference]: Without dead ends: 47 [2020-11-28 03:10:33,731 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 03:10:33,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-28 03:10:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-28 03:10:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-28 03:10:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-28 03:10:33,744 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-11-28 03:10:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:33,744 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-28 03:10:33,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:33,744 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-28 03:10:33,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:10:33,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:33,745 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 03:10:33,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:10:33,745 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:33,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:33,745 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2020-11-28 03:10:33,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:33,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349518735] [2020-11-28 03:10:33,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:33,849 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 03:10:33,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349518735] [2020-11-28 03:10:33,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:33,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:33,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114203725] [2020-11-28 03:10:33,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:10:33,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:33,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:33,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:33,852 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-28 03:10:33,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:33,900 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-11-28 03:10:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:33,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:10:33,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:33,921 INFO L225 Difference]: With dead ends: 127 [2020-11-28 03:10:33,922 INFO L226 Difference]: Without dead ends: 87 [2020-11-28 03:10:33,922 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 03:10:33,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-28 03:10:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2020-11-28 03:10:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-28 03:10:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2020-11-28 03:10:33,940 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2020-11-28 03:10:33,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:33,940 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2020-11-28 03:10:33,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:10:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2020-11-28 03:10:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:10:33,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:33,942 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 03:10:33,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:10:33,942 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:33,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:33,943 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2020-11-28 03:10:33,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:33,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439048758] [2020-11-28 03:10:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:34,086 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 03:10:34,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439048758] [2020-11-28 03:10:34,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:34,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:10:34,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48432760] [2020-11-28 03:10:34,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:10:34,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:34,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:10:34,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:34,088 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2020-11-28 03:10:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:34,261 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2020-11-28 03:10:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:10:34,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:10:34,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:34,265 INFO L225 Difference]: With dead ends: 409 [2020-11-28 03:10:34,265 INFO L226 Difference]: Without dead ends: 333 [2020-11-28 03:10:34,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:10:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-28 03:10:34,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2020-11-28 03:10:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-11-28 03:10:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2020-11-28 03:10:34,301 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2020-11-28 03:10:34,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:34,301 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2020-11-28 03:10:34,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:10:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-11-28 03:10:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:10:34,302 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:10:34,303 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, 1] [2020-11-28 03:10:34,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:10:34,303 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:10:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2020-11-28 03:10:34,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:34,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752565562] [2020-11-28 03:10:34,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:34,430 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 03:10:34,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752565562] [2020-11-28 03:10:34,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:34,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:10:34,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245832389] [2020-11-28 03:10:34,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:10:34,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:34,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:10:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:10:34,432 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2020-11-28 03:10:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:34,561 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2020-11-28 03:10:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:10:34,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 03:10:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:10:34,562 INFO L225 Difference]: With dead ends: 359 [2020-11-28 03:10:34,562 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:10:34,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:10:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:10:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:10:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:10:34,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:10:34,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-28 03:10:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:10:34,572 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:10:34,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:10:34,573 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:10:34,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:10:34,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:10:34,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:10:35,062 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,062 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,062 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,063 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,063 INFO L274 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-11-28 03:10:35,063 INFO L270 CegarLoopResult]: At program point L235-1(lines 235 241) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,063 INFO L274 CegarLoopResult]: For program point L269(lines 268 317) no Hoare annotation was computed. [2020-11-28 03:10:35,063 INFO L270 CegarLoopResult]: At program point L963(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,063 INFO L270 CegarLoopResult]: At program point L963-1(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,063 INFO L274 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L963-2(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L963-3(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L963-4(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L963-5(lines 958 966) the Hoare annotation is: false [2020-11-28 03:10:35,064 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L172(lines 167 175) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,064 INFO L270 CegarLoopResult]: At program point L172-1(lines 167 175) the Hoare annotation is: false [2020-11-28 03:10:35,065 INFO L270 CegarLoopResult]: At program point L172-2(lines 167 175) the Hoare annotation is: false [2020-11-28 03:10:35,065 INFO L274 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2020-11-28 03:10:35,065 INFO L270 CegarLoopResult]: At program point L306-1(lines 61 67) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,065 INFO L270 CegarLoopResult]: At program point L836(lines 831 838) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:10:35,065 INFO L274 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2020-11-28 03:10:35,065 INFO L270 CegarLoopResult]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L873-1(line 873) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L873-2(line 873) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L270 CegarLoopResult]: At program point L742-2(lines 742 756) the Hoare annotation is: false [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-11-28 03:10:35,066 INFO L274 CegarLoopResult]: For program point L746-1(lines 61 67) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point L119(lines 119 136) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point L119-1(lines 119 136) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 136) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L270 CegarLoopResult]: At program point L318(lines 267 319) the Hoare annotation is: false [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point L847(lines 847 864) no Hoare annotation was computed. [2020-11-28 03:10:35,067 INFO L270 CegarLoopResult]: At program point L847-1(lines 1 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,067 INFO L274 CegarLoopResult]: For program point L847-2(lines 847 864) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L270 CegarLoopResult]: At program point L847-3(lines 1 966) the Hoare annotation is: false [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L847-4(lines 847 864) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L270 CegarLoopResult]: At program point L847-5(lines 1 966) the Hoare annotation is: false [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L815(lines 815 822) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L277 CegarLoopResult]: At program point L815-1(lines 815 822) the Hoare annotation is: true [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L221-3(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,068 INFO L274 CegarLoopResult]: For program point L221-5(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-6(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-8(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-9(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-11(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-12(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-14(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-15(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L221-17(lines 221 225) no Hoare annotation was computed. [2020-11-28 03:10:35,069 INFO L274 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L270 CegarLoopResult]: At program point L288-1(lines 288 294) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L123(lines 123 131) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 131) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L123-2(lines 123 131) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L270 CegarLoopResult]: At program point L718(lines 1 966) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L851(lines 851 861) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L851-2(lines 851 861) no Hoare annotation was computed. [2020-11-28 03:10:35,070 INFO L274 CegarLoopResult]: For program point L851-4(lines 851 861) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L885(lines 885 889) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L885-3(lines 885 889) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L852-2(lines 852 858) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L852-4(lines 852 858) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L885-6(lines 885 889) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L93(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L93-1(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,071 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L274 CegarLoopResult]: For program point L93-4(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L274 CegarLoopResult]: For program point L93-5(lines 93 110) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L270 CegarLoopResult]: At program point L61(lines 60 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L274 CegarLoopResult]: For program point L61-1(lines 61 67) no Hoare annotation was computed. [2020-11-28 03:10:35,072 INFO L270 CegarLoopResult]: At program point L61-2(lines 60 79) the Hoare annotation is: false [2020-11-28 03:10:35,072 INFO L270 CegarLoopResult]: At program point L61-3(lines 60 79) the Hoare annotation is: false [2020-11-28 03:10:35,072 INFO L270 CegarLoopResult]: At program point L227(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L227-1(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L227-2(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L227-3(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L227-4(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L227-5(lines 212 230) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L922(lines 917 925) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L922-1(lines 917 925) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L922-2(lines 917 925) the Hoare annotation is: false [2020-11-28 03:10:35,073 INFO L270 CegarLoopResult]: At program point L922-3(lines 917 925) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L790(lines 786 792) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L922-4(lines 917 925) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L922-5(lines 917 925) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L163(lines 156 166) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L163-1(lines 156 166) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L274 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,074 INFO L270 CegarLoopResult]: At program point L163-2(lines 156 166) the Hoare annotation is: false [2020-11-28 03:10:35,074 INFO L274 CegarLoopResult]: For program point L97-1(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L97-2(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L97-3(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L97-4(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L97-5(lines 97 105) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L277 CegarLoopResult]: At program point L824(lines 805 827) the Hoare annotation is: true [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:10:35,075 INFO L270 CegarLoopResult]: At program point L726(lines 721 729) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:10:35,075 INFO L274 CegarLoopResult]: For program point L298(lines 298 313) no Hoare annotation was computed. [2020-11-28 03:10:35,076 INFO L270 CegarLoopResult]: At program point L68(lines 68 74) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:10:35,076 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: false [2020-11-28 03:10:35,076 INFO L270 CegarLoopResult]: At program point L68-2(lines 68 74) the Hoare annotation is: false [2020-11-28 03:10:35,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:35 BoogieIcfgContainer [2020-11-28 03:10:35,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:10:35,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:35,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:35,103 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:35,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:33" (3/4) ... [2020-11-28 03:10:35,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:10:35,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:10:35,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:10:35,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:10:35,143 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:10:35,144 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:10:35,145 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:35,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:10:35,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:10:35,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fec582d2-7ed3-4206-9306-5fafda6d1c5f/bin/uautomizer/witness.graphml [2020-11-28 03:10:35,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:35,291 INFO L168 Benchmark]: Toolchain (without parser) took 4128.82 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 46.4 MB in the beginning and 68.7 MB in the end (delta: -22.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,291 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:35,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.74 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 68.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 100.7 MB. Free memory was 68.6 MB in the beginning and 64.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,292 INFO L168 Benchmark]: Boogie Preprocessor took 73.67 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 62.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,293 INFO L168 Benchmark]: RCFGBuilder took 1143.81 ms. Allocated memory is still 100.7 MB. Free memory was 62.0 MB in the beginning and 58.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,293 INFO L168 Benchmark]: TraceAbstraction took 2070.42 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 78.2 MB in the end (delta: -20.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,294 INFO L168 Benchmark]: Witness Printer took 186.27 ms. Allocated memory is still 125.8 MB. Free memory was 78.2 MB in the beginning and 68.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:35,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 35.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 565.74 ms. Allocated memory was 77.6 MB in the beginning and 100.7 MB in the end (delta: 23.1 MB). Free memory was 46.2 MB in the beginning and 68.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.89 ms. Allocated memory is still 100.7 MB. Free memory was 68.6 MB in the beginning and 64.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.67 ms. Allocated memory is still 100.7 MB. Free memory was 64.8 MB in the beginning and 62.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1143.81 ms. Allocated memory is still 100.7 MB. Free memory was 62.0 MB in the beginning and 58.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2070.42 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 78.2 MB in the end (delta: -20.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * Witness Printer took 186.27 ms. Allocated memory is still 125.8 MB. Free memory was 78.2 MB in the beginning and 68.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 425 SDslu, 453 SDs, 0 SdLazy, 70 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4905 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...