./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 229890f5f6e9af6d15d776f98b90421cce07d395 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:35:13,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:35:13,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:35:13,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:35:13,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:35:13,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:35:13,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:35:13,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:35:13,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:35:13,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:35:13,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:35:13,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:35:13,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:35:13,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:35:13,924 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:35:13,924 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:35:13,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:35:13,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:35:13,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:35:13,928 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:35:13,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:35:13,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:35:13,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:35:13,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:35:13,931 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:35:13,932 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:35:13,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:35:13,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:35:13,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:35:13,934 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:35:13,934 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:35:13,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:35:13,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:35:13,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:35:13,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:35:13,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:35:13,936 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:35:13,943 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:35:13,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:35:13,944 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:35:13,944 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:35:13,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:35:13,945 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:35:13,945 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:35:13,945 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:35:13,946 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:35:13,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:35:13,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:35:13,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:35:13,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:35:13,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:35:13,947 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:35:13,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:35:13,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:35:13,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:35:13,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:35:13,949 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/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(__VERIFIER_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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-28 13:35:13,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:35:13,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:35:13,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:35:13,983 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:35:13,983 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:35:13,984 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:14,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/data/9067ea7a8/b5e99da1d59d434e9d01363971edb106/FLAGa2bc36404 [2018-11-28 13:35:14,469 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:35:14,469 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:14,476 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/data/9067ea7a8/b5e99da1d59d434e9d01363971edb106/FLAGa2bc36404 [2018-11-28 13:35:14,488 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/data/9067ea7a8/b5e99da1d59d434e9d01363971edb106 [2018-11-28 13:35:14,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:35:14,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:35:14,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:14,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:35:14,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:35:14,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14, skipping insertion in model container [2018-11-28 13:35:14,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:35:14,531 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:35:14,706 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:14,757 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:35:14,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:35:14,819 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:35:14,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14 WrapperNode [2018-11-28 13:35:14,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:35:14,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:14,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:35:14,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:35:14,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:35:14,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:35:14,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:35:14,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:35:14,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... [2018-11-28 13:35:14,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:35:14,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:35:14,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:35:14,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:35:14,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/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 [2018-11-28 13:35:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:35:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:35:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:35:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:35:14,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:35:14,896 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:35:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:35:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:35:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:35:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:35:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:35:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:35:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:35:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:35:14,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:35:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:35:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:35:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:35:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:35:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:35:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:35:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:35:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:35:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:35:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:35:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:35:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:35:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:35:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:35:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:35:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:35:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:35:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:35:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:35:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:35:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:35:15,285 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:35:15,286 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:35:15,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:15 BoogieIcfgContainer [2018-11-28 13:35:15,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:35:15,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:35:15,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:35:15,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:35:15,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:35:14" (1/3) ... [2018-11-28 13:35:15,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49586507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:15, skipping insertion in model container [2018-11-28 13:35:15,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:35:14" (2/3) ... [2018-11-28 13:35:15,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49586507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:35:15, skipping insertion in model container [2018-11-28 13:35:15,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:15" (3/3) ... [2018-11-28 13:35:15,294 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-28 13:35:15,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:35:15,308 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:35:15,320 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:35:15,343 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:35:15,344 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:35:15,344 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:35:15,344 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:35:15,344 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:35:15,344 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:35:15,344 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:35:15,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:35:15,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:35:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-11-28 13:35:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:35:15,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:15,365 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:15,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:15,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:15,372 INFO L82 PathProgramCache]: Analyzing trace with hash 819205639, now seen corresponding path program 1 times [2018-11-28 13:35:15,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:15,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:15,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:15,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:15,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:15,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:35:15,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:35:15,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:35:15,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:35:15,571 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2018-11-28 13:35:15,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:15,593 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2018-11-28 13:35:15,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:35:15,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:35:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:15,600 INFO L225 Difference]: With dead ends: 204 [2018-11-28 13:35:15,601 INFO L226 Difference]: Without dead ends: 102 [2018-11-28 13:35:15,603 INFO L631 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 [2018-11-28 13:35:15,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-28 13:35:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-28 13:35:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 13:35:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-28 13:35:15,635 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2018-11-28 13:35:15,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:15,636 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-28 13:35:15,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:35:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-28 13:35:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:35:15,638 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:15,638 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:15,638 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:15,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:15,639 INFO L82 PathProgramCache]: Analyzing trace with hash -812546756, now seen corresponding path program 1 times [2018-11-28 13:35:15,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:15,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:15,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:15,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:15,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:15,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:35:15,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:35:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:35:15,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:15,722 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2018-11-28 13:35:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:15,738 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2018-11-28 13:35:15,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:35:15,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:35:15,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:15,740 INFO L225 Difference]: With dead ends: 153 [2018-11-28 13:35:15,740 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 13:35:15,741 INFO L631 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 [2018-11-28 13:35:15,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 13:35:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-28 13:35:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 13:35:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2018-11-28 13:35:15,748 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2018-11-28 13:35:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:15,749 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2018-11-28 13:35:15,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:35:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2018-11-28 13:35:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:35:15,750 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:15,750 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:15,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:15,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:15,751 INFO L82 PathProgramCache]: Analyzing trace with hash -234515182, now seen corresponding path program 1 times [2018-11-28 13:35:15,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:15,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:15,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:15,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:15,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:15,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:35:15,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:35:15,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:35:15,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:35:15,851 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 7 states. [2018-11-28 13:35:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:16,029 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2018-11-28 13:35:16,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:35:16,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:35:16,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:16,030 INFO L225 Difference]: With dead ends: 162 [2018-11-28 13:35:16,031 INFO L226 Difference]: Without dead ends: 93 [2018-11-28 13:35:16,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:35:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-28 13:35:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-28 13:35:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 13:35:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2018-11-28 13:35:16,040 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2018-11-28 13:35:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:16,040 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2018-11-28 13:35:16,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:35:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2018-11-28 13:35:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 13:35:16,041 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:16,041 INFO L402 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, 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, 1, 1, 1, 1, 1] [2018-11-28 13:35:16,042 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:16,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:16,042 INFO L82 PathProgramCache]: Analyzing trace with hash -244441385, now seen corresponding path program 1 times [2018-11-28 13:35:16,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:16,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:16,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:16,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:16,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:16,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:35:16,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:35:16,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:35:16,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:35:16,161 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 10 states. [2018-11-28 13:35:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:16,421 INFO L93 Difference]: Finished difference Result 280 states and 341 transitions. [2018-11-28 13:35:16,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:35:16,422 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-11-28 13:35:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:16,425 INFO L225 Difference]: With dead ends: 280 [2018-11-28 13:35:16,425 INFO L226 Difference]: Without dead ends: 211 [2018-11-28 13:35:16,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:35:16,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-28 13:35:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2018-11-28 13:35:16,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-28 13:35:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2018-11-28 13:35:16,448 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 59 [2018-11-28 13:35:16,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:16,448 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2018-11-28 13:35:16,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:35:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2018-11-28 13:35:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 13:35:16,451 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:16,451 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:16,451 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:16,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:16,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1455909629, now seen corresponding path program 1 times [2018-11-28 13:35:16,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:16,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:16,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:16,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:35:16,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:35:16,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:35:16,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:35:16,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:35:16,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:16,511 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand 3 states. [2018-11-28 13:35:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:16,528 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2018-11-28 13:35:16,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:35:16,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-28 13:35:16,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:16,530 INFO L225 Difference]: With dead ends: 332 [2018-11-28 13:35:16,530 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 13:35:16,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:35:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 13:35:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 13:35:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 13:35:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-28 13:35:16,543 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 63 [2018-11-28 13:35:16,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:16,544 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-28 13:35:16,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:35:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-28 13:35:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 13:35:16,546 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:35:16,546 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:35:16,546 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:35:16,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:35:16,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1818486333, now seen corresponding path program 1 times [2018-11-28 13:35:16,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:35:16,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:35:16,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:16,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:35:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 13:35:16,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:35:16,639 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:35:16,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:35:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:35:16,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:35:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:35:16,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:35:16,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:35:16,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:35:16,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:35:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:35:16,829 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 12 states. [2018-11-28 13:35:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:35:17,136 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2018-11-28 13:35:17,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:35:17,136 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-28 13:35:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:35:17,137 INFO L225 Difference]: With dead ends: 191 [2018-11-28 13:35:17,137 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:35:17,138 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:35:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:35:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:35:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:35:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:35:17,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-11-28 13:35:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:35:17,139 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:35:17,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:35:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:35:17,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:35:17,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:35:17,783 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2018-11-28 13:35:17,783 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2018-11-28 13:35:17,783 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2018-11-28 13:35:17,783 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,783 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 13:35:17,783 INFO L448 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2018-11-28 13:35:17,783 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2018-11-28 13:35:17,784 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,784 INFO L444 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,784 INFO L448 ceAbstractionStarter]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2018-11-28 13:35:17,784 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,784 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,784 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2018-11-28 13:35:17,784 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2018-11-28 13:35:17,784 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,785 INFO L444 ceAbstractionStarter]: At program point L640-2(lines 634 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2018-11-28 13:35:17,785 INFO L444 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,786 INFO L444 ceAbstractionStarter]: At program point L647(lines 604 649) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L444 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2018-11-28 13:35:17,786 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2018-11-28 13:35:17,786 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L444 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,787 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 13:35:17,787 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L448 ceAbstractionStarter]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L451 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2018-11-28 13:35:17,787 INFO L448 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2018-11-28 13:35:17,787 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,787 INFO L444 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,787 INFO L444 ceAbstractionStarter]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,788 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,788 INFO L444 ceAbstractionStarter]: At program point L582-1(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~3 ~systemActive~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2018-11-28 13:35:17,788 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point L670(lines 669 688) no Hoare annotation was computed. [2018-11-28 13:35:17,789 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:35:17,789 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2018-11-28 13:35:17,790 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:35:17,790 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2018-11-28 13:35:17,791 INFO L444 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:35:17,791 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point L519(lines 494 523) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 13:35:17,792 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 13:35:17,793 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:35:17,793 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2018-11-28 13:35:17,794 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2018-11-28 13:35:17,794 INFO L451 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2018-11-28 13:35:17,795 INFO L448 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2018-11-28 13:35:17,795 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2018-11-28 13:35:17,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:35:17 BoogieIcfgContainer [2018-11-28 13:35:17,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:35:17,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:35:17,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:35:17,809 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:35:17,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:35:15" (3/4) ... [2018-11-28 13:35:17,812 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:35:17,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:35:17,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:35:17,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:35:17,816 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:35:17,817 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:35:17,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:35:17,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:35:17,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:35:17,818 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:35:17,823 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 13:35:17,824 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:35:17,824 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 13:35:17,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:35:17,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:35:17,825 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:35:17,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:35:17,847 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:35:17,875 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4d52827-cf70-480e-bdaa-cabe9ae29937/bin-2019/uautomizer/witness.graphml [2018-11-28 13:35:17,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:35:17,875 INFO L168 Benchmark]: Toolchain (without parser) took 3384.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,876 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:35:17,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,877 INFO L168 Benchmark]: Boogie Preprocessor took 22.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,877 INFO L168 Benchmark]: RCFGBuilder took 424.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,877 INFO L168 Benchmark]: TraceAbstraction took 2520.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.7 MB). Peak memory consumption was 212.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,878 INFO L168 Benchmark]: Witness Printer took 65.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:35:17,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 424.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2520.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.7 MB). Peak memory consumption was 212.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 115 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 622 SDtfs, 471 SDslu, 1261 SDs, 0 SdLazy, 751 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 694 HoareAnnotationTreeSize, 279 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1053 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 66137 SizeOfPredicates, 3 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 56/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...