./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb6e4ceec74f15825c9a118863d143932b257258 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:35:09,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:35:09,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:35:09,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:35:09,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:35:09,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:35:09,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:35:09,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:35:09,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:35:09,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:35:09,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:35:09,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:35:09,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:35:09,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:35:09,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:35:09,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:35:09,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:35:09,379 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:35:09,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:35:09,381 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:35:09,382 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:35:09,383 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:35:09,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:35:09,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:35:09,385 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:35:09,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:35:09,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:35:09,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:35:09,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:35:09,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:35:09,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:35:09,388 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:35:09,388 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:35:09,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:35:09,389 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:35:09,390 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:35:09,390 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:35:09,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:35:09,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:35:09,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:35:09,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:35:09,401 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:35:09,401 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:35:09,402 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:35:09,402 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:35:09,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:35:09,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:35:09,403 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:35:09,404 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:35:09,404 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_d12f14f6-4614-4fb4-977a-bbba30dba2b0/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(F end) ) 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 -> eb6e4ceec74f15825c9a118863d143932b257258 [2018-11-18 15:35:09,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:35:09,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:35:09,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:35:09,438 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:35:09,438 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:35:09,438 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:09,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/data/bc8ac7d6a/f84a607cef5c47a6b4f6fcb5c95e62f8/FLAGf53064ac1 [2018-11-18 15:35:09,913 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:35:09,914 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/sv-benchmarks/c/product-lines/minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:09,920 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/data/bc8ac7d6a/f84a607cef5c47a6b4f6fcb5c95e62f8/FLAGf53064ac1 [2018-11-18 15:35:09,929 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/data/bc8ac7d6a/f84a607cef5c47a6b4f6fcb5c95e62f8 [2018-11-18 15:35:09,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:35:09,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:35:09,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:35:09,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:35:09,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:35:09,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:35:09" (1/1) ... [2018-11-18 15:35:09,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f746e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:09, skipping insertion in model container [2018-11-18 15:35:09,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:35:09" (1/1) ... [2018-11-18 15:35:09,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:35:09,972 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:35:10,160 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:35:10,168 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:35:10,268 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:35:10,284 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:35:10,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10 WrapperNode [2018-11-18 15:35:10,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:35:10,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:35:10,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:35:10,286 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:35:10,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:35:10,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:35:10,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:35:10,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:35:10,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... [2018-11-18 15:35:10,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:35:10,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:35:10,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:35:10,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:35:10,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:35:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:35:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:35:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:35:10,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:35:10,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:10 BoogieIcfgContainer [2018-11-18 15:35:10,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:35:10,794 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:35:10,794 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:35:10,797 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:35:10,798 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:10,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:35:09" (1/3) ... [2018-11-18 15:35:10,799 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659d3cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:35:10, skipping insertion in model container [2018-11-18 15:35:10,799 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:10,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:35:10" (2/3) ... [2018-11-18 15:35:10,799 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@659d3cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:35:10, skipping insertion in model container [2018-11-18 15:35:10,799 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:35:10,799 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:10" (3/3) ... [2018-11-18 15:35:10,801 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product04_true-unreach-call_false-termination.cil.c [2018-11-18 15:35:10,836 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:35:10,837 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:35:10,837 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:35:10,837 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:35:10,837 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:35:10,837 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:35:10,837 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:35:10,837 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:35:10,837 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:35:10,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states. [2018-11-18 15:35:10,866 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 15:35:10,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:10,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:10,872 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:10,873 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:10,873 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:35:10,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states. [2018-11-18 15:35:10,877 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 15:35:10,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:10,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:10,878 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:10,878 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:10,882 INFO L794 eck$LassoCheckResult]: Stem: 47#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 74#L883true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 80#L876true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 88#L891true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 52#L838true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 11#L811true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 65#L49true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L108-3true [2018-11-18 15:35:10,882 INFO L796 eck$LassoCheckResult]: Loop: 71#L108-3true assume true; 84#L108-1true assume !false; 22#L109true assume test_~splverifierCounter~0 < 4; 55#L110true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 75#L118true assume !(0 != test_~tmp~1); 42#L118-2true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 48#L128true assume !(0 != test_~tmp___0~1); 12#L128-2true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 17#L138true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet6;havoc test_#t~nondet6; 8#L146true assume !(0 != test_~tmp___1~0); 4#L146-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 37#L242true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 30#L59true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 50#L183true assume !(0 != ~pumpRunning~0); 45#L183-2true assume !(0 != ~systemActive~0); 10#L190-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 69#L747true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 32#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 28#L70-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 82#L200true assume { :end_inline_timeShift } true; 71#L108-3true [2018-11-18 15:35:10,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:10,891 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:35:10,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:10,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:10,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:10,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:10,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,043 INFO L82 PathProgramCache]: Analyzing trace with hash -359912311, now seen corresponding path program 1 times [2018-11-18 15:35:11,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1012613362, now seen corresponding path program 1 times [2018-11-18 15:35:11,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:35:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:35:11,180 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:35:11,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:35:11,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:35:11,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:35:11,264 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 6 states. [2018-11-18 15:35:11,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:35:11,456 INFO L93 Difference]: Finished difference Result 324 states and 407 transitions. [2018-11-18 15:35:11,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:35:11,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 324 states and 407 transitions. [2018-11-18 15:35:11,465 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 210 [2018-11-18 15:35:11,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 324 states to 284 states and 367 transitions. [2018-11-18 15:35:11,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2018-11-18 15:35:11,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2018-11-18 15:35:11,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 367 transitions. [2018-11-18 15:35:11,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:35:11,475 INFO L705 BuchiCegarLoop]: Abstraction has 284 states and 367 transitions. [2018-11-18 15:35:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 367 transitions. [2018-11-18 15:35:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 142. [2018-11-18 15:35:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 15:35:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 184 transitions. [2018-11-18 15:35:11,505 INFO L728 BuchiCegarLoop]: Abstraction has 142 states and 184 transitions. [2018-11-18 15:35:11,505 INFO L608 BuchiCegarLoop]: Abstraction has 142 states and 184 transitions. [2018-11-18 15:35:11,505 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:35:11,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 184 transitions. [2018-11-18 15:35:11,507 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103 [2018-11-18 15:35:11,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:11,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:11,508 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:11,508 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:11,508 INFO L794 eck$LassoCheckResult]: Stem: 492#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 457#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 508#L876 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 512#L891 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 496#L838 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 448#L811 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 449#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 505#L108-3 [2018-11-18 15:35:11,509 INFO L796 eck$LassoCheckResult]: Loop: 505#L108-3 assume true; 506#L108-1 assume !false; 462#L109 assume test_~splverifierCounter~0 < 4; 463#L110 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 498#L118 assume !(0 != test_~tmp~1); 486#L118-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 487#L128 assume !(0 != test_~tmp___0~1); 450#L128-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 451#L138 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 458#L302 assume { :end_inline_startSystem } true; 436#L146-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 437#L242 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 473#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 474#L183 assume !(0 != ~pumpRunning~0); 489#L183-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 490#L207 assume { :end_inline_processEnvironment } true; 446#L190-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 447#L747 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 475#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 470#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 471#L200 assume { :end_inline_timeShift } true; 505#L108-3 [2018-11-18 15:35:11,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,513 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:35:11,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1205644266, now seen corresponding path program 1 times [2018-11-18 15:35:11,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,558 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:35:11,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,568 INFO L82 PathProgramCache]: Analyzing trace with hash 804267169, now seen corresponding path program 1 times [2018-11-18 15:35:11,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:35:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:35:11,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:35:11,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:35:11,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:35:11,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:35:11,709 INFO L87 Difference]: Start difference. First operand 142 states and 184 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 15:35:11,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:35:11,796 INFO L93 Difference]: Finished difference Result 361 states and 458 transitions. [2018-11-18 15:35:11,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:35:11,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 458 transitions. [2018-11-18 15:35:11,801 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2018-11-18 15:35:11,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 361 states and 458 transitions. [2018-11-18 15:35:11,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 361 [2018-11-18 15:35:11,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 361 [2018-11-18 15:35:11,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 361 states and 458 transitions. [2018-11-18 15:35:11,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:35:11,806 INFO L705 BuchiCegarLoop]: Abstraction has 361 states and 458 transitions. [2018-11-18 15:35:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states and 458 transitions. [2018-11-18 15:35:11,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 268. [2018-11-18 15:35:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-18 15:35:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 338 transitions. [2018-11-18 15:35:11,819 INFO L728 BuchiCegarLoop]: Abstraction has 268 states and 338 transitions. [2018-11-18 15:35:11,820 INFO L608 BuchiCegarLoop]: Abstraction has 268 states and 338 transitions. [2018-11-18 15:35:11,820 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:35:11,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 338 transitions. [2018-11-18 15:35:11,821 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2018-11-18 15:35:11,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:35:11,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:35:11,822 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:35:11,822 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [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 15:35:11,823 INFO L794 eck$LassoCheckResult]: Stem: 1018#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(30);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(9);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(21);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(25);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 976#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 977#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1043#L876 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 1052#L891 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 1023#L838 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 968#L811 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 969#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1037#L108-3 [2018-11-18 15:35:11,823 INFO L796 eck$LassoCheckResult]: Loop: 1037#L108-3 assume true; 1160#L108-1 assume !false; 1159#L109 assume test_~splverifierCounter~0 < 4; 1026#L110 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 1027#L118 assume !(0 != test_~tmp~1); 1180#L118-2 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 1178#L128 assume !(0 != test_~tmp___0~1); 1176#L128-2 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 1175#L138 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet6;havoc test_#t~nondet6; 1174#L146 assume !(0 != test_~tmp___1~0); 1173#L146-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1172#L242 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 1171#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1170#L183 assume !(0 != ~pumpRunning~0); 1169#L183-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1137#L207 assume { :end_inline_processEnvironment } true; 1168#L190-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1167#L747 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 1166#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1165#L242-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 1164#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1162#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1161#L200 assume { :end_inline_timeShift } true; 1037#L108-3 [2018-11-18 15:35:11,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,823 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 15:35:11,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,852 INFO L82 PathProgramCache]: Analyzing trace with hash 188989847, now seen corresponding path program 1 times [2018-11-18 15:35:11,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,853 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:35:11,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:35:11,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1012656270, now seen corresponding path program 1 times [2018-11-18 15:35:11,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:35:11,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:35:11,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:35:11,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:35:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:35:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:36:50,749 WARN L180 SmtUtils]: Spent 1.65 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:37:45,708 WARN L180 SmtUtils]: Spent 54.96 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:37:45,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:37:45 BoogieIcfgContainer [2018-11-18 15:37:45,768 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:37:45,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:37:45,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:37:45,769 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:37:45,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:35:10" (3/4) ... [2018-11-18 15:37:45,772 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:37:45,816 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d12f14f6-4614-4fb4-977a-bbba30dba2b0/bin-2019/uautomizer/witness.graphml [2018-11-18 15:37:45,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:37:45,816 INFO L168 Benchmark]: Toolchain (without parser) took 155885.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -197.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,817 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:37:45,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:37:45,818 INFO L168 Benchmark]: Boogie Preprocessor took 22.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,818 INFO L168 Benchmark]: RCFGBuilder took 453.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,818 INFO L168 Benchmark]: BuchiAutomizer took 154974.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.7 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,819 INFO L168 Benchmark]: Witness Printer took 47.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:37:45,821 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 453.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 154974.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.7 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 268 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 154.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 154.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 235 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 268 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 245 SDtfs, 771 SDslu, 1125 SDs, 0 SdLazy, 117 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 108]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {",Pump:"=36, NULL=0, "CRIT"=0, ",Meth:"=0, "__utac__get_this_arg"=0, "libacc.c"=18, "libacc.c"=0, "libacc.c"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7407a05d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e11b61=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bf0ae5b=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c28122f=0, "Env(Water:%i"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "On"=38, "CRIT"=14, "__utac__get_this_argtype"=17, methaneLevelCritical=0, ")"=0, "OK"=0, ")"=8, tmp___1=0, tmp=1, "\n"=31, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, "i > 0 && i <= this->argsCount"=29, "i > 0 && i <= this->argsCount"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69433588=0, \result=0, "__utac__get_this_argtype"=20, "On"=35, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=24, "__utac__get_this_arg"=27, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "Env(Water:%i"=16, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1da2be1d=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, "libacc.c"=22, ") "=33, "Off"=0, "OK"=12, ",Pump:"=0, "i > 0 && i <= this->argsCount"=0, tmp=1, "On"=0, retValue_acc=1, retValue_acc=1, tmp___2=0, tmp___0=0, splverifierCounter=0, "Pump(System:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e6bb179=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@204c06fe=0, "Pump(System:"=39, head=0, retValue_acc=0, "Off"=34, "libacc.c"=28, "Off"=0, "On"=0, ",Meth:"=15, "Off"=37, "i > 0 && i <= this->argsCount"=19, "i > 0 && i <= this->argsCount"=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 108]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L251] FCALL "Pump(System:" [L255] FCALL "On" [L259] FCALL "Off" [L263] FCALL ",Pump:" [L267] FCALL "On" [L271] FCALL "Off" [L275] FCALL ") " [L277] FCALL "\n" [L603] FCALL "i > 0 && i <= this->argsCount" [L603] FCALL "libacc.c" [L604] FCALL "__utac__get_this_arg" [L610] FCALL "i > 0 && i <= this->argsCount" [L610] FCALL "libacc.c" [L611] FCALL "__utac__get_this_arg" [L649] FCALL "i > 0 && i <= this->argsCount" [L649] FCALL "libacc.c" [L650] FCALL "__utac__get_this_argtype" [L656] FCALL "i > 0 && i <= this->argsCount" [L656] FCALL "libacc.c" [L657] FCALL "__utac__get_this_argtype" [L724] FCALL "Env(Water:%i" [L725] FCALL ",Meth:" [L729] FCALL "CRIT" [L733] FCALL "OK" [L737] FCALL ")" [L43] int switchedOnBeforeTS ; [L173] int pumpRunning = 0; [L174] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L752] int cleanupTimeShifts = 4; [L475] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L829] int retValue_acc ; [L830] int tmp ; [L834] FCALL select_helpers() [L835] FCALL select_features() [L836] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] RET return (retValue_acc); [L836] EXPR valid_product() [L836] tmp = valid_product() [L838] COND TRUE \read(tmp) [L840] FCALL setup() [L841] CALL runTest() [L819] CALL __utac_acc__Specification5_spec__1() [L48] RET switchedOnBeforeTS = 0 [L819] __utac_acc__Specification5_spec__1() [L820] CALL test() [L99] int splverifierCounter ; [L100] int tmp ; [L101] int tmp___0 ; [L102] int tmp___1 ; [L103] int tmp___2 ; [L106] splverifierCounter = 0 Loop: [L108] COND TRUE 1 [L110] COND TRUE splverifierCounter < 4 [L116] tmp = __VERIFIER_nondet_int() [L118] COND FALSE !(\read(tmp)) [L126] tmp___0 = __VERIFIER_nondet_int() [L128] COND FALSE !(\read(tmp___0)) [L136] tmp___2 = __VERIFIER_nondet_int() [L138] COND FALSE !(\read(tmp___2)) [L144] tmp___1 = __VERIFIER_nondet_int() [L146] COND FALSE !(\read(tmp___1)) [L155] CALL timeShift() [L181] CALL __utac_acc__Specification5_spec__2() [L57] CALL, EXPR isPumpRunning() [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] RET return (retValue_acc); [L57] EXPR isPumpRunning() [L57] RET switchedOnBeforeTS = isPumpRunning() [L181] __utac_acc__Specification5_spec__2() [L183] COND FALSE !(\read(pumpRunning)) [L190] COND TRUE \read(systemActive) [L192] FCALL processEnvironment() [L198] CALL __utac_acc__Specification5_spec__3() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR getWaterLevel() [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] RET return (retValue_acc); [L68] EXPR getWaterLevel() [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L72] CALL, EXPR isPumpRunning() [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] RET return (retValue_acc); [L72] EXPR isPumpRunning() [L72] tmp___0 = isPumpRunning() [L74] COND FALSE, RET !(\read(tmp___0)) [L198] RET __utac_acc__Specification5_spec__3() [L155] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...