./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/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 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:36:35,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:36:35,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:36:35,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:36:35,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:36:35,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:36:35,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:36:35,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:36:35,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:36:35,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:36:35,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:36:35,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:36:35,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:36:35,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:36:35,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:36:35,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:36:35,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:36:35,724 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:36:35,725 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:36:35,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:36:35,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:36:35,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:36:35,729 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:36:35,730 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:36:35,730 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:36:35,731 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:36:35,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:36:35,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:36:35,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:36:35,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:36:35,733 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:36:35,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:36:35,734 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:36:35,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:36:35,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:36:35,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:36:35,735 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:36:35,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:36:35,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:36:35,745 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:36:35,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:36:35,746 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:36:35,746 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:36:35,746 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:36:35,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:36:35,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:36:35,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:36:35,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:36:35,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:36:35,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:36:35,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:36:35,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:36:35,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:36:35,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:36:35,749 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_a7e8eacf-5041-434e-81c0-26876954e197/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 -> 507fc1a89cb1dbaf587ff2c51fbab704dc92da4e [2018-11-23 12:36:35,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:36:35,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:36:35,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:36:35,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:36:35,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:36:35,786 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-11-23 12:36:35,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/data/aacd37a3a/d285d15c748a40dbad89a3f894f1ef9d/FLAG9c6c75492 [2018-11-23 12:36:36,156 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:36:36,157 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/sv-benchmarks/c/product-lines/minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-11-23 12:36:36,163 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/data/aacd37a3a/d285d15c748a40dbad89a3f894f1ef9d/FLAG9c6c75492 [2018-11-23 12:36:36,174 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/data/aacd37a3a/d285d15c748a40dbad89a3f894f1ef9d [2018-11-23 12:36:36,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:36:36,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:36:36,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:36:36,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:36:36,181 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:36:36,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a46618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36, skipping insertion in model container [2018-11-23 12:36:36,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:36:36,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:36:36,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:36:36,465 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:36:36,523 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:36:36,543 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:36:36,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36 WrapperNode [2018-11-23 12:36:36,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:36:36,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:36:36,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:36:36,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:36:36,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:36:36,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:36:36,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:36:36,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:36:36,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... [2018-11-23 12:36:36,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:36:36,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:36:36,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:36:36,602 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:36:36,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/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 [2018-11-23 12:36:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:36:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:36:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:36:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:36:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:36:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:36:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:36:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:36:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:36:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:36:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:36:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:36:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:36:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:36:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 12:36:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 12:36:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:36:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:36:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:36:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:36:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:36:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:36:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:36:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:36:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:36:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:36:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:36:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:36:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:36:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:36:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:36:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:36:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:36:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:36:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:36:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:36:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:36:37,037 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:36:37,037 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:36:37,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:37 BoogieIcfgContainer [2018-11-23 12:36:37,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:36:37,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:36:37,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:36:37,041 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:36:37,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:36:36" (1/3) ... [2018-11-23 12:36:37,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ec28c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:36:37, skipping insertion in model container [2018-11-23 12:36:37,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:36" (2/3) ... [2018-11-23 12:36:37,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ec28c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:36:37, skipping insertion in model container [2018-11-23 12:36:37,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:37" (3/3) ... [2018-11-23 12:36:37,044 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12_true-unreach-call_false-termination.cil.c [2018-11-23 12:36:37,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:36:37,056 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:36:37,065 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:36:37,087 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:36:37,087 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:36:37,087 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:36:37,087 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:36:37,087 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:36:37,088 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:36:37,088 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:36:37,088 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:36:37,088 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:36:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2018-11-23 12:36:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:36:37,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:37,109 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] [2018-11-23 12:36:37,111 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:37,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:37,114 INFO L82 PathProgramCache]: Analyzing trace with hash 231706398, now seen corresponding path program 1 times [2018-11-23 12:36:37,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:37,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:37,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:37,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:37,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:37,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:36:37,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:36:37,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:36:37,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:36:37,314 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2018-11-23 12:36:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:37,337 INFO L93 Difference]: Finished difference Result 194 states and 241 transitions. [2018-11-23 12:36:37,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:36:37,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 12:36:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:37,346 INFO L225 Difference]: With dead ends: 194 [2018-11-23 12:36:37,347 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 12:36:37,349 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 [2018-11-23 12:36:37,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 12:36:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-23 12:36:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 12:36:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-11-23 12:36:37,383 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2018-11-23 12:36:37,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:37,383 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-11-23 12:36:37,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:36:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-11-23 12:36:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:36:37,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:37,386 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] [2018-11-23 12:36:37,386 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:37,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:37,387 INFO L82 PathProgramCache]: Analyzing trace with hash 346607569, now seen corresponding path program 1 times [2018-11-23 12:36:37,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:37,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:37,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:37,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:37,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:37,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:37,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:37,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:37,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:37,470 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2018-11-23 12:36:37,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:37,483 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2018-11-23 12:36:37,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:37,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:36:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:37,486 INFO L225 Difference]: With dead ends: 130 [2018-11-23 12:36:37,486 INFO L226 Difference]: Without dead ends: 90 [2018-11-23 12:36:37,487 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 [2018-11-23 12:36:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-23 12:36:37,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-11-23 12:36:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-23 12:36:37,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2018-11-23 12:36:37,497 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2018-11-23 12:36:37,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:37,498 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2018-11-23 12:36:37,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2018-11-23 12:36:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:36:37,499 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:37,499 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] [2018-11-23 12:36:37,499 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:37,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:37,500 INFO L82 PathProgramCache]: Analyzing trace with hash 280907177, now seen corresponding path program 1 times [2018-11-23 12:36:37,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:37,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:37,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:37,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:37,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:37,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:36:37,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:36:37,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:36:37,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:36:37,611 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 7 states. [2018-11-23 12:36:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:37,882 INFO L93 Difference]: Finished difference Result 265 states and 320 transitions. [2018-11-23 12:36:37,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:36:37,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 12:36:37,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:37,885 INFO L225 Difference]: With dead ends: 265 [2018-11-23 12:36:37,885 INFO L226 Difference]: Without dead ends: 203 [2018-11-23 12:36:37,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:36:37,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-11-23 12:36:37,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 179. [2018-11-23 12:36:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-23 12:36:37,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 214 transitions. [2018-11-23 12:36:37,909 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 214 transitions. Word has length 57 [2018-11-23 12:36:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:37,910 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 214 transitions. [2018-11-23 12:36:37,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:36:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2018-11-23 12:36:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:36:37,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:37,912 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] [2018-11-23 12:36:37,912 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:37,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:37,912 INFO L82 PathProgramCache]: Analyzing trace with hash -28120510, now seen corresponding path program 1 times [2018-11-23 12:36:37,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:37,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:37,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:37,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:37,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:37,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:36:37,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:36:37,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:36:37,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:36:37,998 INFO L87 Difference]: Start difference. First operand 179 states and 214 transitions. Second operand 6 states. [2018-11-23 12:36:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:38,100 INFO L93 Difference]: Finished difference Result 463 states and 576 transitions. [2018-11-23 12:36:38,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:36:38,101 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-23 12:36:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:38,102 INFO L225 Difference]: With dead ends: 463 [2018-11-23 12:36:38,102 INFO L226 Difference]: Without dead ends: 312 [2018-11-23 12:36:38,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:36:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-11-23 12:36:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 306. [2018-11-23 12:36:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-11-23 12:36:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 368 transitions. [2018-11-23 12:36:38,131 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 368 transitions. Word has length 60 [2018-11-23 12:36:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:38,131 INFO L480 AbstractCegarLoop]: Abstraction has 306 states and 368 transitions. [2018-11-23 12:36:38,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:36:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2018-11-23 12:36:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 12:36:38,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:38,134 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, 1] [2018-11-23 12:36:38,134 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:38,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:38,135 INFO L82 PathProgramCache]: Analyzing trace with hash 714670078, now seen corresponding path program 1 times [2018-11-23 12:36:38,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:38,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:38,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:38,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:38,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:38,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:38,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:36:38,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:36:38,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:36:38,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:36:38,221 INFO L87 Difference]: Start difference. First operand 306 states and 368 transitions. Second operand 6 states. [2018-11-23 12:36:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:38,320 INFO L93 Difference]: Finished difference Result 552 states and 681 transitions. [2018-11-23 12:36:38,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:36:38,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-23 12:36:38,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:38,321 INFO L225 Difference]: With dead ends: 552 [2018-11-23 12:36:38,322 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:36:38,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:36:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:36:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:36:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:36:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:36:38,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-23 12:36:38,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:38,324 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:36:38,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:36:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:36:38,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:38,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:36:38,689 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 221 228) the Hoare annotation is: true [2018-11-23 12:36:38,689 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 221 228) no Hoare annotation was computed. [2018-11-23 12:36:38,690 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 221 228) no Hoare annotation was computed. [2018-11-23 12:36:38,690 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 188 194) no Hoare annotation was computed. [2018-11-23 12:36:38,690 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 188 194) the Hoare annotation is: true [2018-11-23 12:36:38,690 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 12:36:38,690 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 12:36:38,690 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 12:36:38,690 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 12:36:38,693 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 12:36:38,693 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 84 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,693 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 143) no Hoare annotation was computed. [2018-11-23 12:36:38,693 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,693 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 139) no Hoare annotation was computed. [2018-11-23 12:36:38,694 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 84 151) no Hoare annotation was computed. [2018-11-23 12:36:38,694 INFO L444 ceAbstractionStarter]: At program point L116(line 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,694 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 120) no Hoare annotation was computed. [2018-11-23 12:36:38,694 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2018-11-23 12:36:38,696 INFO L444 ceAbstractionStarter]: At program point L141(lines 94 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,696 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,697 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 110) no Hoare annotation was computed. [2018-11-23 12:36:38,697 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 104 110) no Hoare annotation was computed. [2018-11-23 12:36:38,697 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-11-23 12:36:38,698 INFO L444 ceAbstractionStarter]: At program point L144(lines 93 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,698 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,698 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2018-11-23 12:36:38,698 INFO L444 ceAbstractionStarter]: At program point L132-1(lines 124 139) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,698 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 84 151) no Hoare annotation was computed. [2018-11-23 12:36:38,698 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 878 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,698 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,699 INFO L444 ceAbstractionStarter]: At program point L890-1(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,699 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 878 900) no Hoare annotation was computed. [2018-11-23 12:36:38,699 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 895) no Hoare annotation was computed. [2018-11-23 12:36:38,699 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 895) no Hoare annotation was computed. [2018-11-23 12:36:38,699 INFO L448 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2018-11-23 12:36:38,699 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,699 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,699 INFO L444 ceAbstractionStarter]: At program point L884-1(line 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 878 900) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 285 299) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 285 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 285 299) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L444 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 240 248) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 240 248) the Hoare annotation is: true [2018-11-23 12:36:38,700 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 240 248) no Hoare annotation was computed. [2018-11-23 12:36:38,700 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 319 347) the Hoare annotation is: true [2018-11-23 12:36:38,706 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 12:36:38,706 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2018-11-23 12:36:38,706 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 341) no Hoare annotation was computed. [2018-11-23 12:36:38,706 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 12:36:38,706 INFO L448 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2018-11-23 12:36:38,706 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2018-11-23 12:36:38,706 INFO L448 ceAbstractionStarter]: For program point L327-1(lines 319 347) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 319 347) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 311 318) the Hoare annotation is: true [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 311 318) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 311 318) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:36:38,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:36:38,707 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 376 387) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 388 396) the Hoare annotation is: true [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 388 396) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 388 396) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 806 835) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L451 ceAbstractionStarter]: At program point L831(lines 806 835) the Hoare annotation is: true [2018-11-23 12:36:38,708 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 806 835) the Hoare annotation is: true [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2018-11-23 12:36:38,708 INFO L451 ceAbstractionStarter]: At program point L820-1(lines 820 824) the Hoare annotation is: true [2018-11-23 12:36:38,709 INFO L448 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2018-11-23 12:36:38,709 INFO L451 ceAbstractionStarter]: At program point L816-2(lines 816 830) the Hoare annotation is: true [2018-11-23 12:36:38,709 INFO L451 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-11-23 12:36:38,709 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-11-23 12:36:38,709 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-23 12:36:38,709 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 164 187) the Hoare annotation is: true [2018-11-23 12:36:38,709 INFO L451 ceAbstractionStarter]: At program point L175(lines 175 181) the Hoare annotation is: true [2018-11-23 12:36:38,709 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 164 187) no Hoare annotation was computed. [2018-11-23 12:36:38,709 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 12:36:38,709 INFO L448 ceAbstractionStarter]: For program point L168(lines 167 186) no Hoare annotation was computed. [2018-11-23 12:36:38,709 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 164 187) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 352 363) the Hoare annotation is: true [2018-11-23 12:36:38,710 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 352 363) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L448 ceAbstractionStarter]: For program point L356-1(lines 352 363) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 12:36:38,710 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 860 866) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 860 866) the Hoare annotation is: true [2018-11-23 12:36:38,710 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:36:38,710 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 12:36:38,710 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 300 307) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 300 307) the Hoare annotation is: true [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 300 307) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 364 375) the Hoare annotation is: true [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 430 437) no Hoare annotation was computed. [2018-11-23 12:36:38,711 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 430 437) the Hoare annotation is: true [2018-11-23 12:36:38,711 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 430 437) no Hoare annotation was computed. [2018-11-23 12:36:38,712 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2018-11-23 12:36:38,712 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 867 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,712 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 867 877) no Hoare annotation was computed. [2018-11-23 12:36:38,712 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:36:38,712 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 867 877) no Hoare annotation was computed. [2018-11-23 12:36:38,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:36:38 BoogieIcfgContainer [2018-11-23 12:36:38,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:36:38,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:36:38,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:36:38,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:36:38,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:37" (3/4) ... [2018-11-23 12:36:38,726 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:36:38,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:36:38,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:36:38,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 12:36:38,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:36:38,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:36:38,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:36:38,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-23 12:36:38,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:36:38,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:36:38,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:36:38,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:36:38,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:36:38,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:36:38,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:36:38,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:36:38,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7e8eacf-5041-434e-81c0-26876954e197/bin-2019/uautomizer/witness.graphml [2018-11-23 12:36:38,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:36:38,794 INFO L168 Benchmark]: Toolchain (without parser) took 2617.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 955.4 MB in the beginning and 744.0 MB in the end (delta: 211.4 MB). Peak memory consumption was 317.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,795 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:36:38,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:36:38,796 INFO L168 Benchmark]: Boogie Preprocessor took 29.29 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,796 INFO L168 Benchmark]: RCFGBuilder took 436.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,796 INFO L168 Benchmark]: TraceAbstraction took 1683.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 754.6 MB in the end (delta: 286.5 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,796 INFO L168 Benchmark]: Witness Printer took 71.31 ms. Allocated memory is still 1.1 GB. Free memory was 754.6 MB in the beginning and 744.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:36:38,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.29 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 436.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1683.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 754.6 MB in the end (delta: 286.5 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. * Witness Printer took 71.31 ms. Allocated memory is still 1.1 GB. Free memory was 754.6 MB in the beginning and 744.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: 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: 93]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 112 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 539 SDtfs, 310 SDslu, 1020 SDs, 0 SdLazy, 251 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred 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, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 310 PreInvPairs, 353 NumberOfFragments, 430 HoareAnnotationTreeSize, 310 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 1255 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 28779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...