./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-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_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 23cbf887df70a1f42db96b12c0b9702076660a13 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:22:37,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:22:37,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:22:37,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:22:37,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:22:37,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:22:37,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:22:37,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:22:37,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:22:37,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:22:37,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:22:37,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:22:37,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:22:37,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:22:37,113 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:22:37,114 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:22:37,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:22:37,116 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:22:37,117 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:22:37,118 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:22:37,119 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:22:37,120 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:22:37,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:22:37,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:22:37,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:22:37,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:22:37,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:22:37,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:22:37,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:22:37,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:22:37,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:22:37,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:22:37,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:22:37,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:22:37,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:22:37,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:22:37,128 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 15:22:37,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:22:37,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:22:37,139 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:22:37,139 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:22:37,139 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 15:22:37,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:22:37,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:22:37,141 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:22:37,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:22:37,142 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:22:37,142 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:22:37,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 15:22:37,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:22:37,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:22:37,143 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_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-12-09 15:22:37,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:22:37,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:22:37,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:22:37,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:22:37,179 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:22:37,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 15:22:37,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/data/7f5d66551/5509b5f031ec4b21af39ce90ec084619/FLAGc877d9338 [2018-12-09 15:22:37,634 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:22:37,635 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 15:22:37,641 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/data/7f5d66551/5509b5f031ec4b21af39ce90ec084619/FLAGc877d9338 [2018-12-09 15:22:37,648 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/data/7f5d66551/5509b5f031ec4b21af39ce90ec084619 [2018-12-09 15:22:37,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:22:37,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:22:37,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:22:37,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:22:37,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:22:37,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37, skipping insertion in model container [2018-12-09 15:22:37,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:22:37,686 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:22:37,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:22:37,875 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:22:37,922 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:22:37,942 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:22:37,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37 WrapperNode [2018-12-09 15:22:37,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:22:37,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:22:37,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:22:37,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:22:37,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:22:37,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:22:37,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:22:37,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:22:37,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... [2018-12-09 15:22:37,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:22:37,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:22:37,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:22:37,995 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:22:37,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 [2018-12-09 15:22:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 15:22:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 15:22:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:22:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 15:22:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 15:22:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:22:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 15:22:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 15:22:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 15:22:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 15:22:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:22:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:22:38,345 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:22:38,345 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 15:22:38,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:22:38 BoogieIcfgContainer [2018-12-09 15:22:38,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:22:38,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:22:38,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:22:38,349 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:22:38,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:22:37" (1/3) ... [2018-12-09 15:22:38,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c203547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:22:38, skipping insertion in model container [2018-12-09 15:22:38,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:22:37" (2/3) ... [2018-12-09 15:22:38,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c203547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:22:38, skipping insertion in model container [2018-12-09 15:22:38,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:22:38" (3/3) ... [2018-12-09 15:22:38,351 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 15:22:38,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:22:38,362 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:22:38,371 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:22:38,394 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:22:38,394 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:22:38,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:22:38,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:22:38,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:22:38,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:22:38,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:22:38,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:22:38,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:22:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-09 15:22:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 15:22:38,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:38,416 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] [2018-12-09 15:22:38,417 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:38,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1964554261, now seen corresponding path program 1 times [2018-12-09 15:22:38,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:38,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:38,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:38,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:38,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:38,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:22:38,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:22:38,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:22:38,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:22:38,595 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-09 15:22:38,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:38,617 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-12-09 15:22:38,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:22:38,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 15:22:38,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:38,625 INFO L225 Difference]: With dead ends: 266 [2018-12-09 15:22:38,625 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 15:22:38,627 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 [2018-12-09 15:22:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 15:22:38,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 15:22:38,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 15:22:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-12-09 15:22:38,657 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2018-12-09 15:22:38,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:38,657 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-12-09 15:22:38,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:22:38,658 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-12-09 15:22:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 15:22:38,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:38,659 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] [2018-12-09 15:22:38,660 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:38,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:38,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1078735596, now seen corresponding path program 1 times [2018-12-09 15:22:38,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:38,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:38,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:38,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:38,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:38,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:22:38,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:22:38,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:22:38,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:22:38,726 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-12-09 15:22:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:38,743 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-12-09 15:22:38,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:22:38,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 15:22:38,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:38,745 INFO L225 Difference]: With dead ends: 211 [2018-12-09 15:22:38,745 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 15:22:38,746 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 [2018-12-09 15:22:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 15:22:38,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 15:22:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 15:22:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-12-09 15:22:38,758 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-12-09 15:22:38,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:38,758 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-12-09 15:22:38,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:22:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-09 15:22:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 15:22:38,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:38,760 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] [2018-12-09 15:22:38,760 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:38,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash -366396523, now seen corresponding path program 1 times [2018-12-09 15:22:38,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:38,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:38,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:38,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:38,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:38,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:22:38,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:22:38,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:22:38,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:22:38,851 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-12-09 15:22:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:39,001 INFO L93 Difference]: Finished difference Result 224 states and 265 transitions. [2018-12-09 15:22:39,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:22:39,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 15:22:39,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:39,003 INFO L225 Difference]: With dead ends: 224 [2018-12-09 15:22:39,003 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 15:22:39,004 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 [2018-12-09 15:22:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 15:22:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 15:22:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 15:22:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-09 15:22:39,014 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-12-09 15:22:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:39,014 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-09 15:22:39,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:22:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-09 15:22:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 15:22:39,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:39,016 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] [2018-12-09 15:22:39,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:39,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:39,017 INFO L82 PathProgramCache]: Analyzing trace with hash -412527028, now seen corresponding path program 1 times [2018-12-09 15:22:39,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:39,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:39,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:39,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:39,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:39,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:39,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:22:39,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:22:39,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:22:39,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:22:39,086 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-12-09 15:22:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:39,350 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2018-12-09 15:22:39,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:22:39,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-09 15:22:39,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:39,352 INFO L225 Difference]: With dead ends: 335 [2018-12-09 15:22:39,352 INFO L226 Difference]: Without dead ends: 235 [2018-12-09 15:22:39,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:22:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-12-09 15:22:39,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2018-12-09 15:22:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-09 15:22:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-12-09 15:22:39,374 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2018-12-09 15:22:39,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:39,374 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-12-09 15:22:39,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:22:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-12-09 15:22:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 15:22:39,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:39,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:39,376 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:39,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:39,376 INFO L82 PathProgramCache]: Analyzing trace with hash 985720040, now seen corresponding path program 1 times [2018-12-09 15:22:39,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:39,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:39,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:39,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:39,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:39,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:22:39,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:22:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:22:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:22:39,440 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2018-12-09 15:22:39,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:39,550 INFO L93 Difference]: Finished difference Result 528 states and 633 transitions. [2018-12-09 15:22:39,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:22:39,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-09 15:22:39,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:39,557 INFO L225 Difference]: With dead ends: 528 [2018-12-09 15:22:39,558 INFO L226 Difference]: Without dead ends: 336 [2018-12-09 15:22:39,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:22:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-12-09 15:22:39,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2018-12-09 15:22:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-12-09 15:22:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2018-12-09 15:22:39,584 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2018-12-09 15:22:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:39,585 INFO L480 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2018-12-09 15:22:39,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:22:39,585 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2018-12-09 15:22:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 15:22:39,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:39,587 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:39,587 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:39,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:39,587 INFO L82 PathProgramCache]: Analyzing trace with hash 134647598, now seen corresponding path program 1 times [2018-12-09 15:22:39,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:39,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:39,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:39,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:39,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:39,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:22:39,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:22:39,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:22:39,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:22:39,691 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2018-12-09 15:22:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:39,823 INFO L93 Difference]: Finished difference Result 711 states and 857 transitions. [2018-12-09 15:22:39,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:22:39,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 15:22:39,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:39,826 INFO L225 Difference]: With dead ends: 711 [2018-12-09 15:22:39,826 INFO L226 Difference]: Without dead ends: 519 [2018-12-09 15:22:39,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:22:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-12-09 15:22:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2018-12-09 15:22:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-12-09 15:22:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2018-12-09 15:22:39,854 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2018-12-09 15:22:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:39,855 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2018-12-09 15:22:39,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:22:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2018-12-09 15:22:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 15:22:39,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:39,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:39,856 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:39,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:39,857 INFO L82 PathProgramCache]: Analyzing trace with hash -788035985, now seen corresponding path program 1 times [2018-12-09 15:22:39,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:39,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:39,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:39,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:39,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:39,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 15:22:39,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 15:22:39,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 15:22:39,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:22:39,907 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2018-12-09 15:22:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:39,936 INFO L93 Difference]: Finished difference Result 872 states and 1054 transitions. [2018-12-09 15:22:39,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 15:22:39,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-09 15:22:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:39,938 INFO L225 Difference]: With dead ends: 872 [2018-12-09 15:22:39,939 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 15:22:39,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 15:22:39,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 15:22:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-09 15:22:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-09 15:22:39,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2018-12-09 15:22:39,958 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2018-12-09 15:22:39,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:39,958 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2018-12-09 15:22:39,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 15:22:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2018-12-09 15:22:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 15:22:39,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:39,960 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:39,960 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:39,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:39,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1632041487, now seen corresponding path program 1 times [2018-12-09 15:22:39,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:39,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:39,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:39,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:40,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:40,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:22:40,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:22:40,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:22:40,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:22:40,033 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2018-12-09 15:22:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:40,069 INFO L93 Difference]: Finished difference Result 992 states and 1194 transitions. [2018-12-09 15:22:40,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:22:40,069 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-09 15:22:40,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:40,071 INFO L225 Difference]: With dead ends: 992 [2018-12-09 15:22:40,071 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 15:22:40,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:22:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 15:22:40,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-09 15:22:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-09 15:22:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2018-12-09 15:22:40,086 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2018-12-09 15:22:40,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:40,086 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2018-12-09 15:22:40,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:22:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2018-12-09 15:22:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 15:22:40,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:40,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:40,088 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:40,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:40,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1949044827, now seen corresponding path program 1 times [2018-12-09 15:22:40,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:40,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:40,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:40,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:40,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:22:40,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:22:40,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 15:22:40,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 15:22:40,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 15:22:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:22:40,147 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2018-12-09 15:22:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:40,277 INFO L93 Difference]: Finished difference Result 992 states and 1170 transitions. [2018-12-09 15:22:40,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 15:22:40,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-12-09 15:22:40,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:40,279 INFO L225 Difference]: With dead ends: 992 [2018-12-09 15:22:40,279 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 15:22:40,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:22:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 15:22:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2018-12-09 15:22:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-12-09 15:22:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-12-09 15:22:40,294 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2018-12-09 15:22:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:40,295 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-12-09 15:22:40,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 15:22:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-12-09 15:22:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 15:22:40,296 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:40,296 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:40,296 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:40,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:40,296 INFO L82 PathProgramCache]: Analyzing trace with hash -315478544, now seen corresponding path program 1 times [2018-12-09 15:22:40,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:40,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:40,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:40,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:40,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 15:22:40,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:22:40,335 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 [2018-12-09 15:22:40,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:40,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:22:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:22:40,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:22:40,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-09 15:22:40,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 15:22:40,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 15:22:40,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-09 15:22:40,551 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 12 states. [2018-12-09 15:22:41,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:41,530 INFO L93 Difference]: Finished difference Result 1350 states and 1662 transitions. [2018-12-09 15:22:41,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 15:22:41,530 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-12-09 15:22:41,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:41,533 INFO L225 Difference]: With dead ends: 1350 [2018-12-09 15:22:41,533 INFO L226 Difference]: Without dead ends: 956 [2018-12-09 15:22:41,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-12-09 15:22:41,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2018-12-09 15:22:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 865. [2018-12-09 15:22:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-12-09 15:22:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1006 transitions. [2018-12-09 15:22:41,564 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1006 transitions. Word has length 138 [2018-12-09 15:22:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:41,565 INFO L480 AbstractCegarLoop]: Abstraction has 865 states and 1006 transitions. [2018-12-09 15:22:41,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 15:22:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1006 transitions. [2018-12-09 15:22:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 15:22:41,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:41,566 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-09 15:22:41,566 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:41,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:41,566 INFO L82 PathProgramCache]: Analyzing trace with hash 656533556, now seen corresponding path program 1 times [2018-12-09 15:22:41,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:41,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:41,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 15:22:41,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:22:41,613 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 [2018-12-09 15:22:41,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:41,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:22:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 15:22:41,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:22:41,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-09 15:22:41,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 15:22:41,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 15:22:41,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 15:22:41,762 INFO L87 Difference]: Start difference. First operand 865 states and 1006 transitions. Second operand 11 states. [2018-12-09 15:22:41,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:41,798 INFO L93 Difference]: Finished difference Result 1525 states and 1796 transitions. [2018-12-09 15:22:41,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:22:41,799 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2018-12-09 15:22:41,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:41,801 INFO L225 Difference]: With dead ends: 1525 [2018-12-09 15:22:41,801 INFO L226 Difference]: Without dead ends: 749 [2018-12-09 15:22:41,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-09 15:22:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2018-12-09 15:22:41,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2018-12-09 15:22:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-12-09 15:22:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 867 transitions. [2018-12-09 15:22:41,823 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 867 transitions. Word has length 134 [2018-12-09 15:22:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:41,823 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 867 transitions. [2018-12-09 15:22:41,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 15:22:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 867 transitions. [2018-12-09 15:22:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 15:22:41,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:22:41,825 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2018-12-09 15:22:41,825 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:22:41,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:22:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash -544472691, now seen corresponding path program 1 times [2018-12-09 15:22:41,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 15:22:41,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 15:22:41,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:41,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:41,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:22:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:22:41,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:22:41,885 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/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 [2018-12-09 15:22:41,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:22:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:22:41,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:22:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 15:22:42,102 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 15:22:42,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-09 15:22:42,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 15:22:42,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 15:22:42,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-09 15:22:42,103 INFO L87 Difference]: Start difference. First operand 749 states and 867 transitions. Second operand 15 states. [2018-12-09 15:22:43,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:22:43,624 INFO L93 Difference]: Finished difference Result 2697 states and 3778 transitions. [2018-12-09 15:22:43,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 15:22:43,624 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-12-09 15:22:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:22:43,625 INFO L225 Difference]: With dead ends: 2697 [2018-12-09 15:22:43,625 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:22:43,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 15:22:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:22:43,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:22:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:22:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:22:43,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-12-09 15:22:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:22:43,630 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:22:43,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 15:22:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:22:43,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:22:43,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:22:43,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:43,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:22:44,412 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-12-09 15:22:44,519 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2018-12-09 15:22:44,671 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-12-09 15:22:44,910 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-12-09 15:22:45,261 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-09 15:22:45,369 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-12-09 15:22:45,550 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-09 15:22:45,694 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-12-09 15:22:46,075 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-12-09 15:22:46,622 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2018-12-09 15:22:46,752 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-12-09 15:22:47,195 WARN L180 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-12-09 15:22:47,641 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,641 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,641 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,641 INFO L444 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-12-09 15:22:47,641 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 15:22:47,642 INFO L444 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 15:22:47,642 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L451 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-09 15:22:47,642 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-12-09 15:22:47,643 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 15:22:47,643 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-12-09 15:22:47,644 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-09 15:22:47,645 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-12-09 15:22:47,645 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L451 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-12-09 15:22:47,646 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-12-09 15:22:47,646 INFO L451 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2018-12-09 15:22:47,646 INFO L451 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-12-09 15:22:47,646 INFO L448 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-12-09 15:22:47,647 INFO L451 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-12-09 15:22:47,647 INFO L448 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-12-09 15:22:47,647 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-12-09 15:22:47,647 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-12-09 15:22:47,647 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-12-09 15:22:47,647 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-12-09 15:22:47,647 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-12-09 15:22:47,647 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-12-09 15:22:47,647 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-12-09 15:22:47,648 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-12-09 15:22:47,648 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:22:47,649 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-09 15:22:47,649 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:22:47,649 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-12-09 15:22:47,650 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-12-09 15:22:47,650 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse2 .cse1))) [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-12-09 15:22:47,651 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-12-09 15:22:47,651 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-12-09 15:22:47,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:22:47 BoogieIcfgContainer [2018-12-09 15:22:47,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:22:47,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:22:47,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:22:47,660 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:22:47,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:22:38" (3/4) ... [2018-12-09 15:22:47,663 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 15:22:47,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 15:22:47,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 15:22:47,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 15:22:47,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 15:22:47,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 15:22:47,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 15:22:47,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:22:47,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:22:47,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 15:22:47,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 15:22:47,720 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0abe6ea-c8ad-4671-8c2b-77465859059c/bin-2019/uautomizer/witness.graphml [2018-12-09 15:22:47,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:22:47,721 INFO L168 Benchmark]: Toolchain (without parser) took 10070.17 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 494.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 352.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:22:47,721 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:22:47,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:22:47,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:22:47,721 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:22:47,721 INFO L168 Benchmark]: RCFGBuilder took 351.19 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:22:47,722 INFO L168 Benchmark]: TraceAbstraction took 9313.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 342.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.9 MB). Peak memory consumption was 510.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:22:47,722 INFO L168 Benchmark]: Witness Printer took 59.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:22:47,723 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 351.19 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: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9313.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 342.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -36.9 MB). Peak memory consumption was 510.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1998 SDtfs, 2185 SDslu, 6896 SDs, 0 SdLazy, 5037 SolverSat, 1282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=865occurred in iteration=10, 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2595 PreInvPairs, 3176 NumberOfFragments, 1667 HoareAnnotationTreeSize, 2595 FomulaSimplifications, 13847 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 31538 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1496 NumberOfCodeBlocks, 1496 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1481 ConstructedInterpolants, 0 QuantifiedInterpolants, 254080 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2516 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...