./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:34:28,993 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:29,001 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:29,001 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:29,002 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:29,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:29,004 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:29,005 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:29,006 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:29,006 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:29,006 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:29,007 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:29,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:29,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:29,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:29,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:29,010 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:29,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:29,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:29,013 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:29,014 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:29,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:29,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:29,016 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:29,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:29,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:29,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:29,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:29,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:29,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:29,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:29,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:29,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:29,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:29,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:29,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 08:34:29,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:29,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:29,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:29,028 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 08:34:29,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:29,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:29,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:29,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:29,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:29,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:29,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:29,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:29,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:29,032 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_3ccfa01d-7696-4127-b5e5-0f046f573f28/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-11-18 08:34:29,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:29,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:29,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:29,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:29,066 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:29,066 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/data/cf27d992d/3a0679df2fca4e929941509fd0044191/FLAG25f91fa83 [2018-11-18 08:34:29,569 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,570 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,580 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/data/cf27d992d/3a0679df2fca4e929941509fd0044191/FLAG25f91fa83 [2018-11-18 08:34:29,597 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/data/cf27d992d/3a0679df2fca4e929941509fd0044191 [2018-11-18 08:34:29,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,642 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,855 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,864 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,976 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,994 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:30,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:30,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:30,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:30,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:30,058 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:30,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:34:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 08:34:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 08:34:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:34:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 08:34:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:34:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:34:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 08:34:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 08:34:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:34:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:34:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:34:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:34:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 08:34:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 08:34:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 08:34:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:34:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:34:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 08:34:30,790 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:30,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:30,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:30,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfdaba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfdaba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,797 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:30,804 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:30,813 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:34:30,822 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:34:30,845 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,845 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,845 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:30,845 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:30,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:30,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,846 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2018-11-18 08:34:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 08:34:30,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:30,869 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:30,872 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:30,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,876 INFO L82 PathProgramCache]: Analyzing trace with hash -299700837, now seen corresponding path program 1 times [2018-11-18 08:34:30,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:31,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:34:31,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:34:31,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:34:31,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:31,092 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2018-11-18 08:34:31,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,117 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2018-11-18 08:34:31,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:34:31,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 08:34:31,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,125 INFO L225 Difference]: With dead ends: 284 [2018-11-18 08:34:31,125 INFO L226 Difference]: Without dead ends: 144 [2018-11-18 08:34:31,128 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:34:31,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-18 08:34:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-18 08:34:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-18 08:34:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-18 08:34:31,160 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 59 [2018-11-18 08:34:31,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,160 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-18 08:34:31,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:34:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-18 08:34:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 08:34:31,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,163 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:31,164 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,164 INFO L82 PathProgramCache]: Analyzing trace with hash 369673140, now seen corresponding path program 1 times [2018-11-18 08:34:31,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:31,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:31,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:31,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:31,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,252 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-11-18 08:34:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,271 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2018-11-18 08:34:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:31,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 08:34:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,273 INFO L225 Difference]: With dead ends: 227 [2018-11-18 08:34:31,273 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 08:34:31,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:31,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 08:34:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 08:34:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 08:34:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2018-11-18 08:34:31,285 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 61 [2018-11-18 08:34:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,285 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2018-11-18 08:34:31,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2018-11-18 08:34:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 08:34:31,286 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,287 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:31,287 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1722579572, now seen corresponding path program 1 times [2018-11-18 08:34:31,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:31,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:34:31,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:31,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:31,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:31,402 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 7 states. [2018-11-18 08:34:31,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:31,698 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2018-11-18 08:34:31,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:31,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 08:34:31,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:31,700 INFO L225 Difference]: With dead ends: 240 [2018-11-18 08:34:31,700 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 08:34:31,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:34:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 08:34:31,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 08:34:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 08:34:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2018-11-18 08:34:31,711 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 66 [2018-11-18 08:34:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:31,713 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2018-11-18 08:34:31,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2018-11-18 08:34:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 08:34:31,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:31,715 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:31,716 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:31,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1607299501, now seen corresponding path program 1 times [2018-11-18 08:34:31,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:31,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:31,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:31,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:31,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:31,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:34:31,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:34:31,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:31,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:31,802 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 5 states. [2018-11-18 08:34:32,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,179 INFO L93 Difference]: Finished difference Result 348 states and 419 transitions. [2018-11-18 08:34:32,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:34:32,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-11-18 08:34:32,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,183 INFO L225 Difference]: With dead ends: 348 [2018-11-18 08:34:32,183 INFO L226 Difference]: Without dead ends: 242 [2018-11-18 08:34:32,184 INFO L604 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 [2018-11-18 08:34:32,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-18 08:34:32,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 222. [2018-11-18 08:34:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 08:34:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-11-18 08:34:32,204 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 79 [2018-11-18 08:34:32,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,204 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-11-18 08:34:32,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:34:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-11-18 08:34:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 08:34:32,206 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,206 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:32,206 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,206 INFO L82 PathProgramCache]: Analyzing trace with hash -980019915, now seen corresponding path program 1 times [2018-11-18 08:34:32,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:34:32,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:34:32,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:32,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:32,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,294 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 7 states. [2018-11-18 08:34:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,654 INFO L93 Difference]: Finished difference Result 435 states and 514 transitions. [2018-11-18 08:34:32,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:34:32,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 08:34:32,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,656 INFO L225 Difference]: With dead ends: 435 [2018-11-18 08:34:32,656 INFO L226 Difference]: Without dead ends: 241 [2018-11-18 08:34:32,656 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:34:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-11-18 08:34:32,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 221. [2018-11-18 08:34:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-18 08:34:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-11-18 08:34:32,668 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 93 [2018-11-18 08:34:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,668 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-11-18 08:34:32,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-11-18 08:34:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 08:34:32,669 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,669 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:32,670 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash 658636582, now seen corresponding path program 1 times [2018-11-18 08:34:32,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:32,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:34:32,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:34:32,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:34:32,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:34:32,755 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2018-11-18 08:34:32,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,777 INFO L93 Difference]: Finished difference Result 419 states and 484 transitions. [2018-11-18 08:34:32,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:32,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-18 08:34:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,779 INFO L225 Difference]: With dead ends: 419 [2018-11-18 08:34:32,780 INFO L226 Difference]: Without dead ends: 226 [2018-11-18 08:34:32,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-18 08:34:32,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-11-18 08:34:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-18 08:34:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2018-11-18 08:34:32,792 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 94 [2018-11-18 08:34:32,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,792 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2018-11-18 08:34:32,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:34:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2018-11-18 08:34:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 08:34:32,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,793 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:32,793 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1360236456, now seen corresponding path program 1 times [2018-11-18 08:34:32,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:32,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:32,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:34:32,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:34:32,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:34:32,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,876 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 8 states. [2018-11-18 08:34:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:32,896 INFO L93 Difference]: Finished difference Result 431 states and 501 transitions. [2018-11-18 08:34:32,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:34:32,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-11-18 08:34:32,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:32,898 INFO L225 Difference]: With dead ends: 431 [2018-11-18 08:34:32,899 INFO L226 Difference]: Without dead ends: 233 [2018-11-18 08:34:32,899 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:34:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-18 08:34:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2018-11-18 08:34:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-18 08:34:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 260 transitions. [2018-11-18 08:34:32,910 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 260 transitions. Word has length 94 [2018-11-18 08:34:32,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:32,910 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 260 transitions. [2018-11-18 08:34:32,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:34:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 260 transitions. [2018-11-18 08:34:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 08:34:32,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:32,912 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:32,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:32,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:32,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1209249943, now seen corresponding path program 1 times [2018-11-18 08:34:32,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:32,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:32,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:32,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:33,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:34:33,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:33,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:33,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:33,001 INFO L87 Difference]: Start difference. First operand 230 states and 260 transitions. Second operand 4 states. [2018-11-18 08:34:33,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,145 INFO L93 Difference]: Finished difference Result 674 states and 798 transitions. [2018-11-18 08:34:33,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:33,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-18 08:34:33,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,147 INFO L225 Difference]: With dead ends: 674 [2018-11-18 08:34:33,147 INFO L226 Difference]: Without dead ends: 472 [2018-11-18 08:34:33,148 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-18 08:34:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 463. [2018-11-18 08:34:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-11-18 08:34:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 537 transitions. [2018-11-18 08:34:33,173 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 537 transitions. Word has length 94 [2018-11-18 08:34:33,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,174 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 537 transitions. [2018-11-18 08:34:33,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 537 transitions. [2018-11-18 08:34:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 08:34:33,175 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,175 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 08:34:33,175 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:33,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,176 INFO L82 PathProgramCache]: Analyzing trace with hash -408003601, now seen corresponding path program 1 times [2018-11-18 08:34:33,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:34:33,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:33,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 08:34:33,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:34:33,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:34:33,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:34:33,276 INFO L87 Difference]: Start difference. First operand 463 states and 537 transitions. Second operand 9 states. [2018-11-18 08:34:33,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:33,910 INFO L93 Difference]: Finished difference Result 1216 states and 1474 transitions. [2018-11-18 08:34:33,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 08:34:33,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2018-11-18 08:34:33,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:33,914 INFO L225 Difference]: With dead ends: 1216 [2018-11-18 08:34:33,914 INFO L226 Difference]: Without dead ends: 854 [2018-11-18 08:34:33,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:34:33,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2018-11-18 08:34:33,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 773. [2018-11-18 08:34:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2018-11-18 08:34:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 886 transitions. [2018-11-18 08:34:33,947 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 886 transitions. Word has length 98 [2018-11-18 08:34:33,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:33,947 INFO L480 AbstractCegarLoop]: Abstraction has 773 states and 886 transitions. [2018-11-18 08:34:33,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:34:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 886 transitions. [2018-11-18 08:34:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 08:34:33,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:33,950 INFO L375 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, 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, 1] [2018-11-18 08:34:33,950 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:33,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:33,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1416178921, now seen corresponding path program 1 times [2018-11-18 08:34:33,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:33,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:33,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:33,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 08:34:34,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:34,060 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:34:34,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:34,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:34,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:34,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-18 08:34:34,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 08:34:34,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 08:34:34,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-18 08:34:34,315 INFO L87 Difference]: Start difference. First operand 773 states and 886 transitions. Second operand 16 states. [2018-11-18 08:34:35,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:35,131 INFO L93 Difference]: Finished difference Result 1763 states and 2096 transitions. [2018-11-18 08:34:35,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 08:34:35,132 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 161 [2018-11-18 08:34:35,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:35,136 INFO L225 Difference]: With dead ends: 1763 [2018-11-18 08:34:35,136 INFO L226 Difference]: Without dead ends: 1089 [2018-11-18 08:34:35,138 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-18 08:34:35,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-11-18 08:34:35,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 944. [2018-11-18 08:34:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2018-11-18 08:34:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1091 transitions. [2018-11-18 08:34:35,179 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1091 transitions. Word has length 161 [2018-11-18 08:34:35,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:35,180 INFO L480 AbstractCegarLoop]: Abstraction has 944 states and 1091 transitions. [2018-11-18 08:34:35,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 08:34:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1091 transitions. [2018-11-18 08:34:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-18 08:34:35,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:35,185 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:35,185 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:35,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:35,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1125060204, now seen corresponding path program 1 times [2018-11-18 08:34:35,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:35,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:35,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:35,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:35,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 102 proven. 16 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 08:34:35,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:35,329 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/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 [2018-11-18 08:34:35,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:35,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 205 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 08:34:35,625 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:35,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-18 08:34:35,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 08:34:35,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 08:34:35,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-18 08:34:35,626 INFO L87 Difference]: Start difference. First operand 944 states and 1091 transitions. Second operand 18 states. [2018-11-18 08:34:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:37,571 INFO L93 Difference]: Finished difference Result 2534 states and 3095 transitions. [2018-11-18 08:34:37,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 08:34:37,572 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-11-18 08:34:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:37,575 INFO L225 Difference]: With dead ends: 2534 [2018-11-18 08:34:37,575 INFO L226 Difference]: Without dead ends: 1380 [2018-11-18 08:34:37,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-18 08:34:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2018-11-18 08:34:37,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1261. [2018-11-18 08:34:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2018-11-18 08:34:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1440 transitions. [2018-11-18 08:34:37,628 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1440 transitions. Word has length 281 [2018-11-18 08:34:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:37,628 INFO L480 AbstractCegarLoop]: Abstraction has 1261 states and 1440 transitions. [2018-11-18 08:34:37,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 08:34:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1440 transitions. [2018-11-18 08:34:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-11-18 08:34:37,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:37,633 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:34:37,634 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:37,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:37,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1623241547, now seen corresponding path program 1 times [2018-11-18 08:34:37,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:37,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:37,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:37,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2018-11-18 08:34:37,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:37,783 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/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 [2018-11-18 08:34:37,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:37,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-11-18 08:34:37,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:34:38,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 08:34:38,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:34:38,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:34:38,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:34:38,001 INFO L87 Difference]: Start difference. First operand 1261 states and 1440 transitions. Second operand 13 states. [2018-11-18 08:34:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:38,060 INFO L93 Difference]: Finished difference Result 1531 states and 1739 transitions. [2018-11-18 08:34:38,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:38,061 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 367 [2018-11-18 08:34:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:38,061 INFO L225 Difference]: With dead ends: 1531 [2018-11-18 08:34:38,061 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:34:38,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:34:38,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:34:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:34:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:34:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:34:38,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2018-11-18 08:34:38,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:38,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:38,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:34:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:34:38,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:34:38,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:34:38,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:38,914 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2018-11-18 08:34:39,114 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 08:34:39,637 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 08:34:40,399 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L543(lines 520 544) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L521-1(lines 521 542) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L521-3(lines 521 542) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L578-1(lines 578 603) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L578-3(lines 578 603) no Hoare annotation was computed. [2018-11-18 08:34:40,507 INFO L425 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point L604(lines 577 605) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2018-11-18 08:34:40,508 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2018-11-18 08:34:40,509 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or .cse3 (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5))) [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L428 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,509 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-11-18 08:34:40,509 INFO L421 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,510 INFO L421 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L421 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,510 INFO L421 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,510 INFO L421 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2018-11-18 08:34:40,510 INFO L425 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2018-11-18 08:34:40,511 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2018-11-18 08:34:40,511 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2018-11-18 08:34:40,512 INFO L428 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2018-11-18 08:34:40,512 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 790) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 797) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L421 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-11-18 08:34:40,513 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point L283-1(lines 283 330) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2018-11-18 08:34:40,514 INFO L421 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L421 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L421 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L421 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L421 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 08:34:40,515 INFO L421 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L737(lines 737 744) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 751) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 08:34:40,515 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 404) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L702(lines 702 713) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L665(lines 665 669) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L663-1(lines 663 683) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L663-3(lines 663 683) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L684(lines 662 685) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 659) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 710) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L664(lines 663 683) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 701) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2018-11-18 08:34:40,516 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L428 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2018-11-18 08:34:40,517 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2018-11-18 08:34:40,517 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2018-11-18 08:34:40,518 INFO L421 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 08:34:40,518 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 08:34:40,519 INFO L421 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L421 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L428 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L425 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-11-18 08:34:40,519 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L428 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 908 922) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L428 ceAbstractionStarter]: At program point L908-3(lines 908 922) the Hoare annotation is: true [2018-11-18 08:34:40,520 INFO L428 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-18 08:34:40,520 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2018-11-18 08:34:40,520 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,521 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 08:34:40,521 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:34:40,521 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:34:40,521 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2018-11-18 08:34:40,521 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-18 08:34:40,521 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2018-11-18 08:34:40,521 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 08:34:40,521 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2018-11-18 08:34:40,521 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 08:34:40,521 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L421 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 08:34:40,522 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2018-11-18 08:34:40,522 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 08:34:40,522 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 08:34:40,523 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 08:34:40,523 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 08:34:40,523 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 08:34:40,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:40 BoogieIcfgContainer [2018-11-18 08:34:40,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:40,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:40,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:40,534 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:40,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:34:40,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:34:40,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:34:40,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:34:40,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:34:40,547 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:34:40,557 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 08:34:40,557 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:34:40,558 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:34:40,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 08:34:40,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 08:34:40,621 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ccfa01d-7696-4127-b5e5-0f046f573f28/bin-2019/uautomizer/witness.graphml [2018-11-18 08:34:40,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:40,622 INFO L168 Benchmark]: Toolchain (without parser) took 11022.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 424.1 MB). Free memory was 954.4 MB in the beginning and 1.3 GB in the end (delta: -345.8 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,622 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:40,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,623 INFO L168 Benchmark]: Boogie Preprocessor took 63.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,623 INFO L168 Benchmark]: RCFGBuilder took 732.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,623 INFO L168 Benchmark]: TraceAbstraction took 9741.79 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 308.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -308.3 MB). Peak memory consumption was 416.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,623 INFO L168 Benchmark]: Witness Printer took 87.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:40,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 732.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 97.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9741.79 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 308.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -308.3 MB). Peak memory consumption was 416.1 MB. Max. memory is 11.5 GB. * Witness Printer took 87.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2328 SDtfs, 2419 SDslu, 7313 SDs, 0 SdLazy, 5144 SolverSat, 1246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1001 GetRequests, 860 SyntacticMatches, 5 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1261occurred in iteration=11, 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, 397 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1843 PreInvPairs, 1925 NumberOfFragments, 1767 HoareAnnotationTreeSize, 1843 FomulaSimplifications, 12127 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 14131 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2356 NumberOfCodeBlocks, 2356 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2341 ConstructedInterpolants, 0 QuantifiedInterpolants, 713282 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3312 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1735/1795 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...