./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/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 c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:12:56,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:12:56,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:12:56,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:12:56,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:12:56,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:12:56,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:12:56,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:12:56,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:12:56,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:12:56,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:12:56,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:12:56,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:12:56,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:12:56,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:12:56,802 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:12:56,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:12:56,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:12:56,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:12:56,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:12:56,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:12:56,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:12:56,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:12:56,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:12:56,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:12:56,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:12:56,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:12:56,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:12:56,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:12:56,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:12:56,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:12:56,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:12:56,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:12:56,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:12:56,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:12:56,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:12:56,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 10:12:56,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:12:56,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:12:56,819 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:12:56,819 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:12:56,820 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:12:56,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:12:56,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:12:56,821 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:12:56,821 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:12:56,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:12:56,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 10:12:56,822 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_5439b087-30f4-48ed-b28e-57acaea15e50/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 -> c0851c41d1dd56ed840a839dd5bb938ccfe6bf65 [2018-12-08 10:12:56,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:12:56,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:12:56,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:12:56,853 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:12:56,853 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:12:56,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-08 10:12:56,890 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/data/819913a01/bcbb1517f93b45da9ac31b12cb6a0b9e/FLAG39e5fa952 [2018-12-08 10:12:57,370 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:12:57,371 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/sv-benchmarks/c/product-lines/minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-08 10:12:57,378 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/data/819913a01/bcbb1517f93b45da9ac31b12cb6a0b9e/FLAG39e5fa952 [2018-12-08 10:12:57,741 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/data/819913a01/bcbb1517f93b45da9ac31b12cb6a0b9e [2018-12-08 10:12:57,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:12:57,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:12:57,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:12:57,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:12:57,746 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:12:57,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:57" (1/1) ... [2018-12-08 10:12:57,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:57, skipping insertion in model container [2018-12-08 10:12:57,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:12:57" (1/1) ... [2018-12-08 10:12:57,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:12:57,775 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:12:57,924 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:12:57,964 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:12:58,008 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:12:58,022 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:12:58,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58 WrapperNode [2018-12-08 10:12:58,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:12:58,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:12:58,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:12:58,023 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:12:58,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:12:58,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:12:58,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:12:58,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:12:58,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... [2018-12-08 10:12:58,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:12:58,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:12:58,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:12:58,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:12:58,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/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 [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 10:12:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:12:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:12:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 10:12:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 10:12:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 10:12:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 10:12:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 10:12:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 10:12:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 10:12:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 10:12:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:12:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:12:58,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:12:58,352 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 10:12:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:58 BoogieIcfgContainer [2018-12-08 10:12:58,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:12:58,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:12:58,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:12:58,354 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:12:58,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:12:57" (1/3) ... [2018-12-08 10:12:58,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0e8c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:12:58, skipping insertion in model container [2018-12-08 10:12:58,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:12:58" (2/3) ... [2018-12-08 10:12:58,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f0e8c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:12:58, skipping insertion in model container [2018-12-08 10:12:58,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:58" (3/3) ... [2018-12-08 10:12:58,356 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42_false-unreach-call_false-termination.cil.c [2018-12-08 10:12:58,362 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:12:58,367 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:12:58,376 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:12:58,393 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:12:58,394 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:12:58,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:12:58,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:12:58,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:12:58,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:12:58,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:12:58,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:12:58,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:12:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-12-08 10:12:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 10:12:58,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:58,410 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] [2018-12-08 10:12:58,411 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:58,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:58,415 INFO L82 PathProgramCache]: Analyzing trace with hash 725583522, now seen corresponding path program 1 times [2018-12-08 10:12:58,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:58,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:58,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:58,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:58,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:12:58,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:12:58,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 10:12:58,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 10:12:58,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 10:12:58,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:12:58,565 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-12-08 10:12:58,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:58,586 INFO L93 Difference]: Finished difference Result 248 states and 303 transitions. [2018-12-08 10:12:58,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 10:12:58,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 10:12:58,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:58,594 INFO L225 Difference]: With dead ends: 248 [2018-12-08 10:12:58,594 INFO L226 Difference]: Without dead ends: 124 [2018-12-08 10:12:58,596 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 [2018-12-08 10:12:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-08 10:12:58,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-08 10:12:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-08 10:12:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-08 10:12:58,624 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 46 [2018-12-08 10:12:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:58,625 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-08 10:12:58,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 10:12:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-08 10:12:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 10:12:58,626 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:58,626 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] [2018-12-08 10:12:58,626 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:58,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:58,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1204619908, now seen corresponding path program 1 times [2018-12-08 10:12:58,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:58,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:58,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:58,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:12:58,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:12:58,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 10:12:58,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 10:12:58,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 10:12:58,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:12:58,685 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 3 states. [2018-12-08 10:12:58,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:58,696 INFO L93 Difference]: Finished difference Result 193 states and 221 transitions. [2018-12-08 10:12:58,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 10:12:58,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 10:12:58,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:58,698 INFO L225 Difference]: With dead ends: 193 [2018-12-08 10:12:58,698 INFO L226 Difference]: Without dead ends: 115 [2018-12-08 10:12:58,699 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 [2018-12-08 10:12:58,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-08 10:12:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-08 10:12:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-08 10:12:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2018-12-08 10:12:58,705 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 47 [2018-12-08 10:12:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:58,706 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2018-12-08 10:12:58,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 10:12:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2018-12-08 10:12:58,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 10:12:58,706 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:58,706 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] [2018-12-08 10:12:58,707 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:58,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:58,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1235546249, now seen corresponding path program 1 times [2018-12-08 10:12:58,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:58,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:58,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:58,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:12:58,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:12:58,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:12:58,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:12:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:12:58,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:12:58,772 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 7 states. [2018-12-08 10:12:58,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:58,945 INFO L93 Difference]: Finished difference Result 206 states and 239 transitions. [2018-12-08 10:12:58,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:12:58,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 10:12:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:58,947 INFO L225 Difference]: With dead ends: 206 [2018-12-08 10:12:58,947 INFO L226 Difference]: Without dead ends: 115 [2018-12-08 10:12:58,948 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 [2018-12-08 10:12:58,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-08 10:12:58,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-08 10:12:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-08 10:12:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2018-12-08 10:12:58,958 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 52 [2018-12-08 10:12:58,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:58,958 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2018-12-08 10:12:58,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:12:58,959 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2018-12-08 10:12:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 10:12:58,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:58,960 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] [2018-12-08 10:12:58,960 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:58,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:58,961 INFO L82 PathProgramCache]: Analyzing trace with hash 2032861656, now seen corresponding path program 1 times [2018-12-08 10:12:58,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:58,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:58,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:58,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:12:59,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:12:59,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:12:59,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:12:59,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:12:59,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:12:59,026 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand 5 states. [2018-12-08 10:12:59,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:59,289 INFO L93 Difference]: Finished difference Result 296 states and 351 transitions. [2018-12-08 10:12:59,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:12:59,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-12-08 10:12:59,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:59,291 INFO L225 Difference]: With dead ends: 296 [2018-12-08 10:12:59,291 INFO L226 Difference]: Without dead ends: 205 [2018-12-08 10:12:59,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:12:59,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-12-08 10:12:59,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2018-12-08 10:12:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-12-08 10:12:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 211 transitions. [2018-12-08 10:12:59,311 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 211 transitions. Word has length 60 [2018-12-08 10:12:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:59,311 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 211 transitions. [2018-12-08 10:12:59,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:12:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 211 transitions. [2018-12-08 10:12:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 10:12:59,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:59,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:12:59,313 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:59,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:59,313 INFO L82 PathProgramCache]: Analyzing trace with hash -265244856, now seen corresponding path program 1 times [2018-12-08 10:12:59,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:59,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:59,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:59,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:12:59,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:12:59,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 10:12:59,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 10:12:59,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 10:12:59,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:12:59,403 INFO L87 Difference]: Start difference. First operand 186 states and 211 transitions. Second operand 10 states. [2018-12-08 10:12:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:59,667 INFO L93 Difference]: Finished difference Result 609 states and 748 transitions. [2018-12-08 10:12:59,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 10:12:59,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2018-12-08 10:12:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:59,670 INFO L225 Difference]: With dead ends: 609 [2018-12-08 10:12:59,671 INFO L226 Difference]: Without dead ends: 447 [2018-12-08 10:12:59,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 10:12:59,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-12-08 10:12:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 437. [2018-12-08 10:12:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-08 10:12:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 510 transitions. [2018-12-08 10:12:59,705 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 510 transitions. Word has length 74 [2018-12-08 10:12:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:59,706 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 510 transitions. [2018-12-08 10:12:59,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 10:12:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 510 transitions. [2018-12-08 10:12:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 10:12:59,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:59,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:12:59,709 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:59,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:59,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2039702425, now seen corresponding path program 1 times [2018-12-08 10:12:59,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:59,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:59,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:59,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 10:12:59,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:12:59,775 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/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 [2018-12-08 10:12:59,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:12:59,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:12:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 10:12:59,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:12:59,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 10:12:59,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:12:59,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:12:59,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:12:59,905 INFO L87 Difference]: Start difference. First operand 437 states and 510 transitions. Second operand 6 states. [2018-12-08 10:12:59,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:12:59,939 INFO L93 Difference]: Finished difference Result 871 states and 1046 transitions. [2018-12-08 10:12:59,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:12:59,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-08 10:12:59,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:12:59,941 INFO L225 Difference]: With dead ends: 871 [2018-12-08 10:12:59,941 INFO L226 Difference]: Without dead ends: 458 [2018-12-08 10:12:59,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:12:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-12-08 10:12:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 452. [2018-12-08 10:12:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-12-08 10:12:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 526 transitions. [2018-12-08 10:12:59,957 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 526 transitions. Word has length 126 [2018-12-08 10:12:59,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:12:59,958 INFO L480 AbstractCegarLoop]: Abstraction has 452 states and 526 transitions. [2018-12-08 10:12:59,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:12:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 526 transitions. [2018-12-08 10:12:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 10:12:59,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:12:59,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:12:59,959 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:12:59,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:12:59,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2015025125, now seen corresponding path program 1 times [2018-12-08 10:12:59,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:12:59,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:12:59,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:12:59,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:12:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 10:13:00,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:13:00,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:13:00,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:13:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 10:13:00,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:13:00,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 10:13:00,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 10:13:00,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 10:13:00,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:13:00,196 INFO L87 Difference]: Start difference. First operand 452 states and 526 transitions. Second operand 11 states. [2018-12-08 10:13:00,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:13:00,229 INFO L93 Difference]: Finished difference Result 778 states and 928 transitions. [2018-12-08 10:13:00,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:13:00,230 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-12-08 10:13:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:13:00,231 INFO L225 Difference]: With dead ends: 778 [2018-12-08 10:13:00,231 INFO L226 Difference]: Without dead ends: 350 [2018-12-08 10:13:00,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:13:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-12-08 10:13:00,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-12-08 10:13:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-12-08 10:13:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 404 transitions. [2018-12-08 10:13:00,250 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 404 transitions. Word has length 126 [2018-12-08 10:13:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:13:00,250 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 404 transitions. [2018-12-08 10:13:00,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 10:13:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 404 transitions. [2018-12-08 10:13:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 10:13:00,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:13:00,252 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:13:00,252 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:13:00,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:13:00,253 INFO L82 PathProgramCache]: Analyzing trace with hash -178742886, now seen corresponding path program 1 times [2018-12-08 10:13:00,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:13:00,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:13:00,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:00,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 10:13:00,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:13:00,322 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:13:00,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:13:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:13:00,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:13:00,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-08 10:13:00,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:13:00,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:13:00,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:13:00,440 INFO L87 Difference]: Start difference. First operand 350 states and 404 transitions. Second operand 6 states. [2018-12-08 10:13:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:13:00,803 INFO L93 Difference]: Finished difference Result 725 states and 874 transitions. [2018-12-08 10:13:00,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:13:00,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-12-08 10:13:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:13:00,806 INFO L225 Difference]: With dead ends: 725 [2018-12-08 10:13:00,806 INFO L226 Difference]: Without dead ends: 455 [2018-12-08 10:13:00,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:13:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-08 10:13:00,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 409. [2018-12-08 10:13:00,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-12-08 10:13:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 477 transitions. [2018-12-08 10:13:00,829 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 477 transitions. Word has length 144 [2018-12-08 10:13:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:13:00,830 INFO L480 AbstractCegarLoop]: Abstraction has 409 states and 477 transitions. [2018-12-08 10:13:00,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:13:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 477 transitions. [2018-12-08 10:13:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 10:13:00,831 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:13:00,832 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, 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] [2018-12-08 10:13:00,832 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:13:00,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:13:00,832 INFO L82 PathProgramCache]: Analyzing trace with hash -952817808, now seen corresponding path program 1 times [2018-12-08 10:13:00,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:13:00,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:13:00,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:00,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:00,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 10:13:00,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:13:00,890 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:13:00,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:00,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:13:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:13:01,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:13:01,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-12-08 10:13:01,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 10:13:01,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 10:13:01,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 10:13:01,106 INFO L87 Difference]: Start difference. First operand 409 states and 477 transitions. Second operand 13 states. [2018-12-08 10:13:02,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:13:02,338 INFO L93 Difference]: Finished difference Result 1007 states and 1271 transitions. [2018-12-08 10:13:02,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-08 10:13:02,339 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2018-12-08 10:13:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:13:02,340 INFO L225 Difference]: With dead ends: 1007 [2018-12-08 10:13:02,340 INFO L226 Difference]: Without dead ends: 680 [2018-12-08 10:13:02,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=382, Invalid=1688, Unknown=0, NotChecked=0, Total=2070 [2018-12-08 10:13:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-12-08 10:13:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 554. [2018-12-08 10:13:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-08 10:13:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 655 transitions. [2018-12-08 10:13:02,361 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 655 transitions. Word has length 128 [2018-12-08 10:13:02,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:13:02,361 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 655 transitions. [2018-12-08 10:13:02,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 10:13:02,361 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 655 transitions. [2018-12-08 10:13:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 10:13:02,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:13:02,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:13:02,362 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:13:02,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:13:02,362 INFO L82 PathProgramCache]: Analyzing trace with hash -182882218, now seen corresponding path program 1 times [2018-12-08 10:13:02,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:13:02,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:13:02,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:02,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:02,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 10:13:02,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:13:02,436 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:13:02,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:13:02,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:13:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:13:02,571 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:13:02,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-08 10:13:02,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 10:13:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 10:13:02,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 10:13:02,572 INFO L87 Difference]: Start difference. First operand 554 states and 655 transitions. Second operand 15 states. [2018-12-08 10:13:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:13:03,201 INFO L93 Difference]: Finished difference Result 1105 states and 1369 transitions. [2018-12-08 10:13:03,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 10:13:03,202 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 130 [2018-12-08 10:13:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:13:03,204 INFO L225 Difference]: With dead ends: 1105 [2018-12-08 10:13:03,204 INFO L226 Difference]: Without dead ends: 629 [2018-12-08 10:13:03,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-08 10:13:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2018-12-08 10:13:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 542. [2018-12-08 10:13:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-12-08 10:13:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 640 transitions. [2018-12-08 10:13:03,231 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 640 transitions. Word has length 130 [2018-12-08 10:13:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:13:03,231 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 640 transitions. [2018-12-08 10:13:03,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 10:13:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 640 transitions. [2018-12-08 10:13:03,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 10:13:03,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:13:03,233 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:13:03,233 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:13:03,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:13:03,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1603109824, now seen corresponding path program 2 times [2018-12-08 10:13:03,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:13:03,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:13:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:03,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:13:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:13:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:13:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 10:13:03,357 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 10:13:03,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:13:03 BoogieIcfgContainer [2018-12-08 10:13:03,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:13:03,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:13:03,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:13:03,508 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:13:03,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:12:58" (3/4) ... [2018-12-08 10:13:03,510 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 10:13:03,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5439b087-30f4-48ed-b28e-57acaea15e50/bin-2019/uautomizer/witness.graphml [2018-12-08 10:13:03,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:13:03,620 INFO L168 Benchmark]: Toolchain (without parser) took 5876.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,620 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: Boogie Preprocessor took 19.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: RCFGBuilder took 290.47 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: TraceAbstraction took 5155.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.0 MB). Peak memory consumption was 350.2 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,621 INFO L168 Benchmark]: Witness Printer took 111.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2018-12-08 10:13:03,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 278.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.24 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.47 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5155.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.0 MB). Peak memory consumption was 350.2 MB. Max. memory is 11.5 GB. * Witness Printer took 111.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 924]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L573] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; [L649] int retValue_acc ; [L650] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L654] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L655] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L656] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L656] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L656] tmp = valid_product() [L658] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L660] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L661] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L643] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L674] int splverifierCounter ; [L675] int tmp ; [L676] int tmp___0 ; [L677] int tmp___1 ; [L678] int tmp___2 ; [L681] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L683] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L685] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L691] tmp = __VERIFIER_nondet_int() [L693] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L695] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L701] tmp___0 = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L711] tmp___2 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___2)) [L719] tmp___1 = __VERIFIER_nondet_int() [L721] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L728] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L749] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L778] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L781] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L783] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L893] int retValue_acc ; [L894] int tmp ; [L895] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L899] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] tmp = isHighWaterSensorDry() [L901] COND FALSE !(\read(tmp)) [L904] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L906] retValue_acc = tmp___0 [L907] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L783] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L783] tmp = isHighWaterLevel() [L785] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L787] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L812] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L816] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L837] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L841] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] retValue_acc = isMethaneLevelCritical() [L843] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L816] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L816] tmp = isMethaneAlarm() [L818] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L822] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L806] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L822] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L787] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L758] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L764] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L548] int tmp ; [L549] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L553] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L553] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L553] tmp = getWaterLevel() [L555] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L764] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L728] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L683] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L685] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L691] tmp = __VERIFIER_nondet_int() [L693] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L701] tmp___0 = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L711] tmp___2 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___2)) [L719] tmp___1 = __VERIFIER_nondet_int() [L721] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L728] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L749] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L751] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L751] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L756] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L758] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L778] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L781] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L796] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L758] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L764] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L548] int tmp ; [L549] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L553] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L553] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L553] tmp = getWaterLevel() [L555] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L764] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L728] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L683] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L685] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L691] tmp = __VERIFIER_nondet_int() [L693] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L701] tmp___0 = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L711] tmp___2 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___2)) [L719] tmp___1 = __VERIFIER_nondet_int() [L721] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=1] [L728] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L749] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L751] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L751] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L756] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L778] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L781] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L796] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L764] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L548] int tmp ; [L549] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L553] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L553] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L553] tmp = getWaterLevel() [L555] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L557] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L848] int retValue_acc ; [L851] retValue_acc = pumpRunning [L852] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L557] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L557] tmp___0 = isPumpRunning() [L559] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L561] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L924] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 137 locations, 1 error locations. UNSAFE Result, 5.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1480 SDtfs, 2205 SDslu, 3847 SDs, 0 SdLazy, 4007 SolverSat, 1295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 825 GetRequests, 699 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=554occurred in iteration=9, 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1753 NumberOfCodeBlocks, 1753 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1572 ConstructedInterpolants, 0 QuantifiedInterpolants, 295938 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4114 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 296/328 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...