./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 23:47:44,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:47:44,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:47:44,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:47:44,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:47:44,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:47:44,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:47:44,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:47:44,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:47:44,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:47:44,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:47:44,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:47:44,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:47:44,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:47:44,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:47:44,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:47:44,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:47:44,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:47:44,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:47:44,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:47:44,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:47:44,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:47:44,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:47:44,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:47:44,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:47:44,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:47:44,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:47:44,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:47:44,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:47:44,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:47:44,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:47:44,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:47:44,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:47:44,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:47:44,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:47:44,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:47:44,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:47:44,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:47:44,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:47:44,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:47:44,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:47:44,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 23:47:44,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:47:44,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:47:44,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:47:44,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:47:44,789 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:47:44,789 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 23:47:44,789 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 23:47:44,789 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 23:47:44,790 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 23:47:44,790 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 23:47:44,790 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 23:47:44,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:47:44,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:47:44,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 23:47:44,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 23:47:44,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:47:44,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:47:44,792 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 23:47:44,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:47:44,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 23:47:44,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:47:44,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:47:44,793 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 23:47:44,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:47:44,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:47:44,793 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 23:47:44,794 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 23:47:44,804 INFO L138 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/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2019-11-19 23:47:44,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:47:44,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:47:44,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:47:44,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:47:44,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:47:44,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-11-19 23:47:45,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/data/cbe589969/f07bf2a842f743d58cdf89814515cd7b/FLAGc0a09aa5c [2019-11-19 23:47:45,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:47:45,429 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2019-11-19 23:47:45,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/data/cbe589969/f07bf2a842f743d58cdf89814515cd7b/FLAGc0a09aa5c [2019-11-19 23:47:45,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/data/cbe589969/f07bf2a842f743d58cdf89814515cd7b [2019-11-19 23:47:45,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:47:45,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:47:45,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:47:45,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:47:45,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:47:45,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:47:45" (1/1) ... [2019-11-19 23:47:45,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fec4a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:45, skipping insertion in model container [2019-11-19 23:47:45,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:47:45" (1/1) ... [2019-11-19 23:47:45,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:47:45,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:47:46,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:47:46,280 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:47:46,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:47:46,407 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:47:46,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46 WrapperNode [2019-11-19 23:47:46,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:47:46,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:47:46,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:47:46,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:47:46,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:47:46,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:47:46,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:47:46,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:47:46,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... [2019-11-19 23:47:46,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:47:46,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:47:46,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:47:46,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:47:46,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/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 [2019-11-19 23:47:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:47:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:47:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:47:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:47:47,615 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:47:47,616 INFO L285 CfgBuilder]: Removed 352 assume(true) statements. [2019-11-19 23:47:47,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:47:47 BoogieIcfgContainer [2019-11-19 23:47:47,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:47:47,617 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 23:47:47,617 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 23:47:47,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 23:47:47,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:47:47,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 11:47:45" (1/3) ... [2019-11-19 23:47:47,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d91401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:47:47, skipping insertion in model container [2019-11-19 23:47:47,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:47:47,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:47:46" (2/3) ... [2019-11-19 23:47:47,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d91401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 11:47:47, skipping insertion in model container [2019-11-19 23:47:47,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 23:47:47,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:47:47" (3/3) ... [2019-11-19 23:47:47,628 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-11-19 23:47:47,671 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 23:47:47,672 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 23:47:47,672 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 23:47:47,673 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:47:47,673 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:47:47,673 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 23:47:47,673 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:47:47,674 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 23:47:47,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2019-11-19 23:47:47,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-19 23:47:47,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:47:47,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:47:47,757 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:47:47,757 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:47:47,758 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 23:47:47,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2019-11-19 23:47:47,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-19 23:47:47,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:47:47,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:47:47,776 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:47:47,776 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:47:47,780 INFO L794 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 6#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 45#L532true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 195#L540true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 196#L496true assume 0 != main_~tmp~3; 181#L469true havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 89#L556-1true [2019-11-19 23:47:47,781 INFO L796 eck$LassoCheckResult]: Loop: 89#L556-1true assume !false; 210#L960true assume test_~splverifierCounter~0 < 4; 198#L961true test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; 71#L969true assume !(0 != test_~tmp~11); 74#L969-1true test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 116#L979true assume !(0 != test_~tmp___0~3); 117#L979-1true test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 46#L989true assume 0 != test_~tmp___2~0; 16#L995-1true assume !(0 != ~pumpRunning~0); 218#L701true assume !(0 != ~systemActive~0); 50#L708true havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 3#L654true __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 86#L556true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 89#L556-1true [2019-11-19 23:47:47,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:47,787 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 23:47:47,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:47,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287912713] [2019-11-19 23:47:47,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,089 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:48,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:48,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1666538037, now seen corresponding path program 1 times [2019-11-19 23:47:48,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:48,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354232650] [2019-11-19 23:47:48,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,105 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:48,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:48,106 INFO L82 PathProgramCache]: Analyzing trace with hash 47740901, now seen corresponding path program 1 times [2019-11-19 23:47:48,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:48,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425671362] [2019-11-19 23:47:48,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:47:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:47:48,259 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425671362] [2019-11-19 23:47:48,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:47:48,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 23:47:48,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734148843] [2019-11-19 23:47:48,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:47:48,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:47:48,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:47:48,359 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 6 states. [2019-11-19 23:47:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:47:48,575 INFO L93 Difference]: Finished difference Result 492 states and 714 transitions. [2019-11-19 23:47:48,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:47:48,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 492 states and 714 transitions. [2019-11-19 23:47:48,586 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 321 [2019-11-19 23:47:48,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 492 states to 471 states and 693 transitions. [2019-11-19 23:47:48,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2019-11-19 23:47:48,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 471 [2019-11-19 23:47:48,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 693 transitions. [2019-11-19 23:47:48,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:47:48,616 INFO L688 BuchiCegarLoop]: Abstraction has 471 states and 693 transitions. [2019-11-19 23:47:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 693 transitions. [2019-11-19 23:47:48,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 258. [2019-11-19 23:47:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-11-19 23:47:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 378 transitions. [2019-11-19 23:47:48,684 INFO L711 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions. [2019-11-19 23:47:48,684 INFO L591 BuchiCegarLoop]: Abstraction has 258 states and 378 transitions. [2019-11-19 23:47:48,684 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 23:47:48,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 258 states and 378 transitions. [2019-11-19 23:47:48,688 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2019-11-19 23:47:48,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:47:48,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:47:48,690 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:47:48,690 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:47:48,691 INFO L794 eck$LassoCheckResult]: Stem: 859#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 740#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 741#L532 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 806#L540 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 939#L496 assume 0 != main_~tmp~3; 938#L469 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 788#L556-1 [2019-11-19 23:47:48,691 INFO L796 eck$LassoCheckResult]: Loop: 788#L556-1 assume !false; 854#L960 assume test_~splverifierCounter~0 < 4; 940#L961 test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; 837#L969 assume !(0 != test_~tmp~11); 839#L969-1 test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 841#L979 assume !(0 != test_~tmp___0~3); 820#L979-1 test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 807#L989 assume 0 != test_~tmp___2~0; 754#L995-1 assume !(0 != ~pumpRunning~0); 759#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 822#L785 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; 824#L759-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 880#L733-3 assume !(0 == ~pumpRunning~0); 813#L708 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 734#L654 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 735#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 788#L556-1 [2019-11-19 23:47:48,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:48,692 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 23:47:48,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:48,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676176021] [2019-11-19 23:47:48,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:48,826 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:48,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1439331007, now seen corresponding path program 1 times [2019-11-19 23:47:48,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:48,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785398718] [2019-11-19 23:47:48,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:47:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:47:48,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785398718] [2019-11-19 23:47:48,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:47:48,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:47:48,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194203357] [2019-11-19 23:47:48,841 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 23:47:48,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:47:48,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:47:48,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:47:48,842 INFO L87 Difference]: Start difference. First operand 258 states and 378 transitions. cyclomatic complexity: 123 Second operand 3 states. [2019-11-19 23:47:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:47:48,971 INFO L93 Difference]: Finished difference Result 252 states and 346 transitions. [2019-11-19 23:47:48,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:47:48,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 346 transitions. [2019-11-19 23:47:48,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2019-11-19 23:47:48,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 252 states and 346 transitions. [2019-11-19 23:47:48,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2019-11-19 23:47:48,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2019-11-19 23:47:48,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 346 transitions. [2019-11-19 23:47:48,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 23:47:48,979 INFO L688 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2019-11-19 23:47:48,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 346 transitions. [2019-11-19 23:47:48,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2019-11-19 23:47:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-11-19 23:47:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 346 transitions. [2019-11-19 23:47:48,989 INFO L711 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2019-11-19 23:47:48,989 INFO L591 BuchiCegarLoop]: Abstraction has 252 states and 346 transitions. [2019-11-19 23:47:48,990 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 23:47:48,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 252 states and 346 transitions. [2019-11-19 23:47:48,992 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 176 [2019-11-19 23:47:48,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 23:47:48,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 23:47:48,993 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 23:47:48,993 INFO L850 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] [2019-11-19 23:47:48,993 INFO L794 eck$LassoCheckResult]: Stem: 1410#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 1284#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 1285#L532 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1368#L540 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 1381#L496 assume 0 != main_~tmp~3; 1365#L469 havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1349#L556-1 [2019-11-19 23:47:48,994 INFO L796 eck$LassoCheckResult]: Loop: 1349#L556-1 assume !false; 1408#L960 assume test_~splverifierCounter~0 < 4; 1426#L961 test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; 1475#L969 assume !(0 != test_~tmp~11); 1398#L969-1 test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; 1399#L979 assume !(0 != test_~tmp___0~3); 1380#L979-1 test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 1470#L989 assume 0 != test_~tmp___2~0; 1316#L995-1 assume !(0 != ~pumpRunning~0); 1317#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1382#L785 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; 1383#L759-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 1377#L733-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1288#L662-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1289#L667-3 isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; 1328#L904-9 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; 1290#L904-11 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1273#L910-3 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 1274#L737-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 1280#L708 havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1252#L654 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 1253#L556 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 1349#L556-1 [2019-11-19 23:47:48,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:48,995 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 23:47:48,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:48,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221244239] [2019-11-19 23:47:48,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,124 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1579572237, now seen corresponding path program 1 times [2019-11-19 23:47:49,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:49,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204943752] [2019-11-19 23:47:49,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,139 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:47:49,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1462089933, now seen corresponding path program 1 times [2019-11-19 23:47:49,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:47:49,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992894446] [2019-11-19 23:47:49,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:47:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:47:49,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:47:49,370 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-19 23:48:21,530 WARN L191 SmtUtils]: Spent 32.09 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 23:48:36,507 WARN L191 SmtUtils]: Spent 14.98 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 23:48:36,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 11:48:36 BoogieIcfgContainer [2019-11-19 23:48:36,599 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 23:48:36,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:48:36,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:48:36,600 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:48:36,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:47:47" (3/4) ... [2019-11-19 23:48:36,603 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 23:48:36,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43d812e5-25d7-40be-9164-cac182a02786/bin/uautomizer/witness.graphml [2019-11-19 23:48:36,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:48:36,710 INFO L168 Benchmark]: Toolchain (without parser) took 50936.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 939.4 MB in the beginning and 973.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 160.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,714 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:48:36,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,716 INFO L168 Benchmark]: Boogie Preprocessor took 117.40 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,717 INFO L168 Benchmark]: RCFGBuilder took 1016.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,717 INFO L168 Benchmark]: BuchiAutomizer took 48981.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 983.0 MB in the end (delta: 36.1 MB). Peak memory consumption was 205.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,718 INFO L168 Benchmark]: Witness Printer took 108.53 ms. Allocated memory is still 1.2 GB. Free memory was 983.0 MB in the beginning and 973.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:48:36,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 633.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.06 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.40 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1016.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48981.53 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 983.0 MB in the end (delta: 36.1 MB). Peak memory consumption was 205.2 MB. Max. memory is 11.5 GB. * Witness Printer took 108.53 ms. Allocated memory is still 1.2 GB. Free memory was 983.0 MB in the beginning and 973.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 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 252 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 48.2s. 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, 213 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 258 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 550 SDtfs, 1444 SDslu, 1274 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 959]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8900} State at position 1 is {NULL=0, NULL=8914, NULL=0, NULL=0, NULL=8900, NULL=8904, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=8921, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28817fca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28c09037=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66f15df5=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6824a6df=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=8906, NULL=8916, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@251faff1=0, NULL=8920, tmp___0=0, NULL=8907, cleanupTimeShifts=4, NULL=8903, NULL=8908, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=8913, \result=1, NULL=0, NULL=0, \result=0, NULL=8917, NULL=0, NULL=0, \result=1, NULL=8924, head=0, pumpRunning=0, retValue_acc=1, NULL=8910, \result=0, NULL=8918, tmp=1, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=8902, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b41dc9e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@235cb4d7=69, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7759f015=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6625f8d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7702dcee=0, NULL=8909, NULL=8923, NULL=8922, retValue_acc=0, tmp=1, tmp___0=0, retValue_acc=1, tmp___2=69, tmp=0, NULL=8901, splverifierCounter=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f2f4155=0, NULL=8905, head=0, NULL=0, NULL=8919, NULL=8911, NULL=0, NULL=8912, tmp=0, NULL=0, NULL=0, NULL=8925, NULL=0, tmp=0, NULL=8915} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L579] int waterLevel = 1; [L580] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L487] int retValue_acc ; [L488] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L950] int splverifierCounter ; [L951] int tmp ; [L952] int tmp___0 ; [L953] int tmp___1 ; [L954] int tmp___2 ; [L957] splverifierCounter = 0 Loop: [L959] COND TRUE 1 [L961] COND TRUE splverifierCounter < 4 [L967] tmp = __VERIFIER_nondet_int() [L969] COND FALSE !(\read(tmp)) [L977] tmp___0 = __VERIFIER_nondet_int() [L979] COND FALSE !(\read(tmp___0)) [L987] tmp___2 = __VERIFIER_nondet_int() [L989] COND TRUE \read(tmp___2) [L701] COND FALSE !(\read(pumpRunning)) [L708] COND TRUE \read(systemActive) [L782] int tmp ; [L785] COND FALSE !(\read(pumpRunning)) [L756] int tmp ; [L759] COND FALSE !(\read(pumpRunning)) [L730] int tmp ; [L733] COND TRUE ! pumpRunning [L896] int retValue_acc ; [L897] int tmp ; [L898] int tmp___0 ; [L659] int retValue_acc ; [L662] COND TRUE waterLevel < 2 [L663] retValue_acc = 1 [L664] return (retValue_acc); [L902] tmp = isHighWaterSensorDry() [L904] COND TRUE \read(tmp) [L905] tmp___0 = 0 [L909] retValue_acc = tmp___0 [L910] return (retValue_acc); [L735] tmp = isHighWaterLevel() [L737] COND FALSE !(\read(tmp)) [L549] int tmp ; [L550] int tmp___0 ; [L650] int retValue_acc ; [L653] retValue_acc = waterLevel [L654] return (retValue_acc); [L554] tmp = getWaterLevel() [L556] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...