./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.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_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:20:27,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:27,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:27,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:27,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:27,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:27,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:27,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:27,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:27,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:27,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:27,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:27,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:27,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:27,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:27,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:27,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:27,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:27,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:27,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:27,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:27,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:27,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:27,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:27,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:27,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:27,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:27,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:27,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:27,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:27,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:27,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:27,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:27,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:27,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:27,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:27,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:27,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:27,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:27,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:27,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:27,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:27,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:27,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:27,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:27,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:27,912 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:27,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:27,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:27,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:27,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:27,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:27,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:27,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:27,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:27,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:27,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:27,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:27,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:27,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:27,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:27,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:27,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:27,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:27,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:27,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:27,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:27,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:27,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:27,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:27,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:27,921 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_085f46cb-ab8d-4aa2-9180-00472669609f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2020-11-28 03:20:28,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:28,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:28,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:28,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:28,287 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:28,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 03:20:28,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/data/de9a14f27/9431f8cec82a48c79b12d32f3054cef2/FLAGf09a55d79 [2020-11-28 03:20:28,923 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:28,924 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2020-11-28 03:20:28,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/data/de9a14f27/9431f8cec82a48c79b12d32f3054cef2/FLAGf09a55d79 [2020-11-28 03:20:29,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/data/de9a14f27/9431f8cec82a48c79b12d32f3054cef2 [2020-11-28 03:20:29,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:29,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:29,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:29,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:29,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:29,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd71a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29, skipping insertion in model container [2020-11-28 03:20:29,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:29,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:29,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:29,717 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:29,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:29,877 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:29,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29 WrapperNode [2020-11-28 03:20:29,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:29,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:29,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:29,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:29,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:29,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:29,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:29,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:29,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:29,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... [2020-11-28 03:20:30,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:30,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:30,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:30,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:30,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/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 03:20:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:31,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:31,145 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 03:20:31,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:31 BoogieIcfgContainer [2020-11-28 03:20:31,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:31,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:31,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:31,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:31,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:29" (1/3) ... [2020-11-28 03:20:31,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352a7999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:31, skipping insertion in model container [2020-11-28 03:20:31,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:29" (2/3) ... [2020-11-28 03:20:31,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352a7999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:31, skipping insertion in model container [2020-11-28 03:20:31,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:31" (3/3) ... [2020-11-28 03:20:31,161 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-11-28 03:20:31,174 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:31,179 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:20:31,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:20:31,226 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:31,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:31,226 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:31,227 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:31,227 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:31,227 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:31,227 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:31,227 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-28 03:20:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:20:31,259 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:31,260 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 03:20:31,260 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:31,268 INFO L82 PathProgramCache]: Analyzing trace with hash -434430378, now seen corresponding path program 1 times [2020-11-28 03:20:31,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:31,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952784753] [2020-11-28 03:20:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:31,563 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 03:20:31,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952784753] [2020-11-28 03:20:31,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:31,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:31,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455328633] [2020-11-28 03:20:31,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:20:31,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:31,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:20:31,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:20:31,593 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-28 03:20:31,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:31,636 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions. [2020-11-28 03:20:31,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:20:31,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:20:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:31,649 INFO L225 Difference]: With dead ends: 122 [2020-11-28 03:20:31,649 INFO L226 Difference]: Without dead ends: 59 [2020-11-28 03:20:31,653 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 03:20:31,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-28 03:20:31,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-28 03:20:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 03:20:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2020-11-28 03:20:31,695 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2020-11-28 03:20:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:31,696 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2020-11-28 03:20:31,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:20:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2020-11-28 03:20:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:20:31,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:31,697 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 03:20:31,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:31,698 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:31,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:31,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1239838886, now seen corresponding path program 1 times [2020-11-28 03:20:31,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:31,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224180987] [2020-11-28 03:20:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:31,860 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 03:20:31,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224180987] [2020-11-28 03:20:31,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:31,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:31,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741111090] [2020-11-28 03:20:31,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:31,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:31,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:31,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:31,864 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2020-11-28 03:20:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:31,879 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-28 03:20:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:31,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:20:31,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:31,883 INFO L225 Difference]: With dead ends: 59 [2020-11-28 03:20:31,883 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 03:20:31,884 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 03:20:31,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 03:20:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 03:20:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 03:20:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-28 03:20:31,890 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-11-28 03:20:31,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:31,890 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-28 03:20:31,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:31,894 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-28 03:20:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:20:31,895 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:31,895 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 03:20:31,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:31,897 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:31,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:31,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2020-11-28 03:20:31,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:31,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502669417] [2020-11-28 03:20:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:32,053 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 03:20:32,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502669417] [2020-11-28 03:20:32,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:32,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:20:32,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435171510] [2020-11-28 03:20:32,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:20:32,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:20:32,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:32,056 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2020-11-28 03:20:32,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:32,331 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2020-11-28 03:20:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:20:32,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-28 03:20:32,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:32,334 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:20:32,335 INFO L226 Difference]: Without dead ends: 79 [2020-11-28 03:20:32,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:20:32,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-28 03:20:32,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2020-11-28 03:20:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:20:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-28 03:20:32,367 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2020-11-28 03:20:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:32,368 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-28 03:20:32,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:20:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-28 03:20:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:20:32,370 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:32,371 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 03:20:32,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:32,371 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:32,372 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2020-11-28 03:20:32,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:32,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825356553] [2020-11-28 03:20:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:32,497 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 03:20:32,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825356553] [2020-11-28 03:20:32,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:32,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:32,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521549755] [2020-11-28 03:20:32,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:20:32,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:32,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:32,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:32,499 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-11-28 03:20:32,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:32,604 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2020-11-28 03:20:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:20:32,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:20:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:32,607 INFO L225 Difference]: With dead ends: 219 [2020-11-28 03:20:32,607 INFO L226 Difference]: Without dead ends: 175 [2020-11-28 03:20:32,608 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 03:20:32,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-11-28 03:20:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2020-11-28 03:20:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-28 03:20:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2020-11-28 03:20:32,630 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2020-11-28 03:20:32,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:32,630 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2020-11-28 03:20:32,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:20:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2020-11-28 03:20:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:20:32,632 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:32,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:32,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:32,633 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:32,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2020-11-28 03:20:32,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:32,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863374259] [2020-11-28 03:20:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:32,746 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 03:20:32,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863374259] [2020-11-28 03:20:32,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:32,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:20:32,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309462365] [2020-11-28 03:20:32,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:20:32,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:32,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:20:32,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:32,749 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2020-11-28 03:20:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:32,841 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2020-11-28 03:20:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:20:32,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:20:32,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:32,843 INFO L225 Difference]: With dead ends: 271 [2020-11-28 03:20:32,843 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:32,844 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 03:20:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:32,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:32,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-28 03:20:32,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:32,846 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:32,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:20:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:32,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:32,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:20:32,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:33,160 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,160 INFO L274 CegarLoopResult]: For program point L696(lines 696 706) no Hoare annotation was computed. [2020-11-28 03:20:33,160 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 706) no Hoare annotation was computed. [2020-11-28 03:20:33,160 INFO L274 CegarLoopResult]: For program point L696-4(lines 696 706) no Hoare annotation was computed. [2020-11-28 03:20:33,160 INFO L274 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L277 CegarLoopResult]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 703) no Hoare annotation was computed. [2020-11-28 03:20:33,161 INFO L274 CegarLoopResult]: For program point L697-4(lines 697 703) no Hoare annotation was computed. [2020-11-28 03:20:33,162 INFO L270 CegarLoopResult]: At program point L681(lines 676 683) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:33,162 INFO L274 CegarLoopResult]: For program point L584(lines 584 590) no Hoare annotation was computed. [2020-11-28 03:20:33,162 INFO L270 CegarLoopResult]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,162 INFO L274 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-11-28 03:20:33,162 INFO L270 CegarLoopResult]: At program point L470(lines 470 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,163 INFO L270 CegarLoopResult]: At program point L470-1(lines 470 476) the Hoare annotation is: false [2020-11-28 03:20:33,163 INFO L270 CegarLoopResult]: At program point L470-2(lines 470 476) the Hoare annotation is: false [2020-11-28 03:20:33,163 INFO L274 CegarLoopResult]: For program point L619(lines 619 625) no Hoare annotation was computed. [2020-11-28 03:20:33,163 INFO L270 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:33,163 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:33,163 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-11-28 03:20:33,163 INFO L274 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2020-11-28 03:20:33,163 INFO L274 CegarLoopResult]: For program point L670-2(line 670) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point L721-3(lines 721 725) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point L721-6(lines 721 725) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2020-11-28 03:20:33,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2020-11-28 03:20:33,165 INFO L277 CegarLoopResult]: At program point L887(lines 868 890) the Hoare annotation is: true [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L854(lines 850 856) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L657(lines 608 658) the Hoare annotation is: false [2020-11-28 03:20:33,165 INFO L270 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2020-11-28 03:20:33,166 INFO L274 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-11-28 03:20:33,166 INFO L270 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,166 INFO L270 CegarLoopResult]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2020-11-28 03:20:33,166 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-11-28 03:20:33,172 INFO L270 CegarLoopResult]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2020-11-28 03:20:33,173 INFO L270 CegarLoopResult]: At program point L692-1(lines 1 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,173 INFO L274 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-11-28 03:20:33,173 INFO L270 CegarLoopResult]: At program point L692-3(lines 1 890) the Hoare annotation is: false [2020-11-28 03:20:33,173 INFO L274 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-11-28 03:20:33,174 INFO L270 CegarLoopResult]: At program point L692-5(lines 1 890) the Hoare annotation is: false [2020-11-28 03:20:33,174 INFO L274 CegarLoopResult]: For program point L610(lines 609 656) no Hoare annotation was computed. [2020-11-28 03:20:33,174 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:33,174 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:20:33,175 INFO L274 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-11-28 03:20:33,175 INFO L270 CegarLoopResult]: At program point L463(lines 462 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,176 INFO L274 CegarLoopResult]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2020-11-28 03:20:33,176 INFO L270 CegarLoopResult]: At program point L463-2(lines 462 481) the Hoare annotation is: false [2020-11-28 03:20:33,176 INFO L270 CegarLoopResult]: At program point L463-3(lines 462 481) the Hoare annotation is: false [2020-11-28 03:20:33,176 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-11-28 03:20:33,177 INFO L274 CegarLoopResult]: For program point L810-1(lines 463 469) no Hoare annotation was computed. [2020-11-28 03:20:33,177 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-28 03:20:33,177 INFO L270 CegarLoopResult]: At program point L645-1(lines 463 469) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,177 INFO L270 CegarLoopResult]: At program point L67(lines 1 890) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:20:33,178 INFO L274 CegarLoopResult]: For program point L629(lines 629 635) no Hoare annotation was computed. [2020-11-28 03:20:33,178 INFO L270 CegarLoopResult]: At program point L629-1(lines 629 635) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:20:33,178 INFO L274 CegarLoopResult]: For program point L745(lines 745 749) no Hoare annotation was computed. [2020-11-28 03:20:33,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:33 BoogieIcfgContainer [2020-11-28 03:20:33,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:33,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:33,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:33,213 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:33,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:31" (3/4) ... [2020-11-28 03:20:33,218 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:33,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:20:33,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:20:33,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:20:33,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:20:33,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:20:33,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:33,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:33,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:20:33,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:20:33,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-11-28 03:20:33,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:20:33,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_085f46cb-ab8d-4aa2-9180-00472669609f/bin/uautomizer/witness.graphml [2020-11-28 03:20:33,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:33,347 INFO L168 Benchmark]: Toolchain (without parser) took 4125.42 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 69.2 MB in the beginning and 52.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,347 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:33,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.70 ms. Allocated memory is still 90.2 MB. Free memory was 69.2 MB in the beginning and 57.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.95 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 54.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,349 INFO L168 Benchmark]: Boogie Preprocessor took 62.55 ms. Allocated memory is still 90.2 MB. Free memory was 54.7 MB in the beginning and 52.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,350 INFO L168 Benchmark]: RCFGBuilder took 1129.25 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 54.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,350 INFO L168 Benchmark]: TraceAbstraction took 2060.45 ms. Allocated memory is still 109.1 MB. Free memory was 54.4 MB in the beginning and 57.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,351 INFO L168 Benchmark]: Witness Printer took 132.40 ms. Allocated memory is still 109.1 MB. Free memory was 57.9 MB in the beginning and 52.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:33,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 51.3 MB in the beginning and 51.2 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.70 ms. Allocated memory is still 90.2 MB. Free memory was 69.2 MB in the beginning and 57.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.95 ms. Allocated memory is still 90.2 MB. Free memory was 57.6 MB in the beginning and 54.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.55 ms. Allocated memory is still 90.2 MB. Free memory was 54.7 MB in the beginning and 52.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1129.25 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 54.4 MB in the end (delta: -1.5 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2060.45 ms. Allocated memory is still 109.1 MB. Free memory was 54.4 MB in the beginning and 57.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Witness Printer took 132.40 ms. Allocated memory is still 109.1 MB. Free memory was 57.9 MB in the beginning and 52.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((tmp == systemActive && \result == systemActive) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 370 SDslu, 498 SDs, 0 SdLazy, 60 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred 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, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 135 HoareAnnotationTreeSize, 27 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...