./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 14:57:59,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:57:59,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:57:59,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:57:59,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:57:59,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:57:59,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:57:59,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:57:59,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:57:59,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:57:59,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:57:59,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:57:59,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:57:59,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:57:59,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:57:59,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:57:59,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:57:59,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:57:59,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:57:59,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:57:59,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:57:59,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:57:59,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:57:59,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:57:59,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:57:59,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:57:59,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:57:59,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:57:59,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:57:59,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:57:59,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:57:59,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:57:59,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:57:59,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:57:59,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:57:59,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:57:59,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:57:59,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:57:59,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:57:59,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:57:59,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:57:59,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:57:59,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:57:59,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:57:59,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:57:59,952 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:57:59,952 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:57:59,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:57:59,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:57:59,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:57:59,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:57:59,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:57:59,955 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:57:59,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:57:59,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:57:59,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:57:59,955 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:57:59,956 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:57:59,956 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_e89e3292-5c05-48dc-8130-2dbb4947f060/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2019-12-07 14:58:00,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:58:00,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:58:00,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:58:00,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:58:00,065 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:58:00,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 14:58:00,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/data/372df672a/10079e0c649f42b4b1e02288cc4bc169/FLAGcc1764767 [2019-12-07 14:58:00,427 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:58:00,428 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-12-07 14:58:00,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/data/372df672a/10079e0c649f42b4b1e02288cc4bc169/FLAGcc1764767 [2019-12-07 14:58:00,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/data/372df672a/10079e0c649f42b4b1e02288cc4bc169 [2019-12-07 14:58:00,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:58:00,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:58:00,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:00,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:58:00,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:58:00,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00, skipping insertion in model container [2019-12-07 14:58:00,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:58:00,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:58:00,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:00,698 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:58:00,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:58:00,762 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:58:00,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00 WrapperNode [2019-12-07 14:58:00,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:58:00,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:00,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:58:00,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:58:00,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:58:00,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:58:00,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:58:00,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:58:00,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... [2019-12-07 14:58:00,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:58:00,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:58:00,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:58:00,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:58:00,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/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 [2019-12-07 14:58:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:58:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 14:58:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:58:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:58:01,243 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:58:01,243 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 14:58:01,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:01 BoogieIcfgContainer [2019-12-07 14:58:01,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:58:01,245 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:58:01,245 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:58:01,247 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:58:01,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:58:01,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:58:00" (1/3) ... [2019-12-07 14:58:01,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39e93ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:58:01, skipping insertion in model container [2019-12-07 14:58:01,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:58:01,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:58:00" (2/3) ... [2019-12-07 14:58:01,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39e93ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:58:01, skipping insertion in model container [2019-12-07 14:58:01,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:58:01,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:01" (3/3) ... [2019-12-07 14:58:01,251 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2019-12-07 14:58:01,280 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:58:01,280 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:58:01,281 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:58:01,281 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:58:01,281 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:58:01,281 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:58:01,281 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:58:01,281 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:58:01,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-12-07 14:58:01,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 14:58:01,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:58:01,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:58:01,319 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,319 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,319 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:58:01,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-12-07 14:58:01,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 14:58:01,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:58:01,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:58:01,325 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,329 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 12#L-1true havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 16#L914true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 48#L922true main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 51#L601true assume 0 != main_~tmp~3; 64#L572true ~methAndRunningLastTime~0 := 0; 24#L622true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L633-1true [2019-12-07 14:58:01,330 INFO L796 eck$LassoCheckResult]: Loop: 28#L633-1true assume !false; 70#L836true assume test_~splverifierCounter~0 < 4; 20#L837true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 29#L845true assume !(0 != test_~tmp~7); 32#L845-1true test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 7#L855true assume !(0 != test_~tmp___0~2); 8#L855-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 75#L865true assume 0 != test_~tmp___2~0; 44#L871-1true assume !(0 != ~pumpRunning~0); 3#L665true assume !(0 != ~systemActive~0); 10#L672true havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 43#L465true __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; 22#L633true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 28#L633-1true [2019-12-07 14:58:01,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 14:58:01,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048274094] [2019-12-07 14:58:01,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:58:01,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,539 INFO L82 PathProgramCache]: Analyzing trace with hash 11187987, now seen corresponding path program 1 times [2019-12-07 14:58:01,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409091870] [2019-12-07 14:58:01,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,550 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:58:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,551 INFO L82 PathProgramCache]: Analyzing trace with hash 844484493, now seen corresponding path program 1 times [2019-12-07 14:58:01,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129588399] [2019-12-07 14:58:01,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:58:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:58:01,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129588399] [2019-12-07 14:58:01,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:58:01,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:58:01,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192849748] [2019-12-07 14:58:01,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:58:01,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:58:01,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:58:01,699 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-12-07 14:58:01,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:58:01,820 INFO L93 Difference]: Finished difference Result 202 states and 283 transitions. [2019-12-07 14:58:01,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:58:01,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 283 transitions. [2019-12-07 14:58:01,828 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 127 [2019-12-07 14:58:01,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 181 states and 262 transitions. [2019-12-07 14:58:01,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2019-12-07 14:58:01,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2019-12-07 14:58:01,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 262 transitions. [2019-12-07 14:58:01,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:58:01,836 INFO L688 BuchiCegarLoop]: Abstraction has 181 states and 262 transitions. [2019-12-07 14:58:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 262 transitions. [2019-12-07 14:58:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 115. [2019-12-07 14:58:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 14:58:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 166 transitions. [2019-12-07 14:58:01,861 INFO L711 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2019-12-07 14:58:01,861 INFO L591 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2019-12-07 14:58:01,861 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:58:01,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 166 transitions. [2019-12-07 14:58:01,862 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-12-07 14:58:01,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:58:01,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:58:01,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:58:01,863 INFO L794 eck$LassoCheckResult]: Stem: 345#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 316#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 317#L914 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 319#L922 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 353#L601 assume 0 != main_~tmp~3; 358#L572 ~methAndRunningLastTime~0 := 0; 331#L622 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 329#L633-1 [2019-12-07 14:58:01,863 INFO L796 eck$LassoCheckResult]: Loop: 329#L633-1 assume !false; 335#L836 assume test_~splverifierCounter~0 < 4; 321#L837 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 322#L845 assume !(0 != test_~tmp~7); 337#L845-1 test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 304#L855 assume !(0 != test_~tmp___0~2); 306#L855-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 309#L865 assume 0 != test_~tmp___2~0; 349#L871-1 assume !(0 != ~pumpRunning~0); 298#L665 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 299#L697 assume !(0 != ~pumpRunning~0); 310#L672 havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 311#L465 __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; 327#L633 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 329#L633-1 [2019-12-07 14:58:01,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 14:58:01,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250451622] [2019-12-07 14:58:01,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,915 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:58:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash 319834497, now seen corresponding path program 1 times [2019-12-07 14:58:01,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899069331] [2019-12-07 14:58:01,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,923 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:58:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:58:01,924 INFO L82 PathProgramCache]: Analyzing trace with hash 382222407, now seen corresponding path program 1 times [2019-12-07 14:58:01,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:58:01,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292274100] [2019-12-07 14:58:01,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:58:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:58:01,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:58:29,591 WARN L192 SmtUtils]: Spent 27.56 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 14:58:43,354 WARN L192 SmtUtils]: Spent 13.75 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 14:58:43,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:58:43 BoogieIcfgContainer [2019-12-07 14:58:43,409 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:58:43,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:58:43,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:58:43,410 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:58:43,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:58:01" (3/4) ... [2019-12-07 14:58:43,412 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 14:58:43,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e89e3292-5c05-48dc-8130-2dbb4947f060/bin/uautomizer/witness.graphml [2019-12-07 14:58:43,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:58:43,450 INFO L168 Benchmark]: Toolchain (without parser) took 43002.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -69.9 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,450 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:58:43,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,451 INFO L168 Benchmark]: Boogie Preprocessor took 25.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:58:43,452 INFO L168 Benchmark]: RCFGBuilder took 416.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,452 INFO L168 Benchmark]: BuchiAutomizer took 42164.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -14.0 MB). Peak memory consumption was 237.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,453 INFO L168 Benchmark]: Witness Printer took 39.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:58:43,455 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -124.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 416.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42164.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -14.0 MB). Peak memory consumption was 237.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 115 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 115 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 397 SDslu, 566 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 835]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4188} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69a8a8c8=0, NULL=4205, NULL=0, NULL=4188, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=4190, NULL=4192, NULL=0, methaneLevelCritical=0, retValue_acc=1, NULL=0, tmp=0, tmp___1=0, NULL=4210, NULL=4196, NULL=4200, NULL=4213, NULL=4194, cleanupTimeShifts=4, NULL=4206, NULL=4209, NULL=4202, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@394d0980=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9be24bc=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37fa5b06=0, NULL=4197, NULL=0, NULL=0, NULL=0, \result=1, NULL=4201, head=0, pumpRunning=0, NULL=4207, \result=0, NULL=4193, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3047a5e6=65, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bfc349a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25dbc5b1=0, NULL=0, NULL=0, tmp___0=0, NULL=4211, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f465df8=0, NULL=4191, tmp___2=65, tmp___0=0, NULL=4208, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=4203, head=0, NULL=0, tmp=0, NULL=4199, NULL=4212, NULL=0, NULL=4195, NULL=0, NULL=0, NULL=4204, tmp=0, NULL=4189, NULL=4198} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L616] int methAndRunningLastTime ; [L658] int pumpRunning = 0; [L659] int systemActive = 1; [L592] int retValue_acc ; [L593] int tmp ; [L918] int retValue_acc ; [L921] retValue_acc = 1 [L922] return (retValue_acc); [L599] tmp = valid_product() [L601] COND TRUE \read(tmp) [L621] methAndRunningLastTime = 0 [L826] int splverifierCounter ; [L827] int tmp ; [L828] int tmp___0 ; [L829] int tmp___1 ; [L830] int tmp___2 ; [L833] splverifierCounter = 0 Loop: [L835] COND TRUE 1 [L837] COND TRUE splverifierCounter < 4 [L843] tmp = __VERIFIER_nondet_int() [L845] COND FALSE !(\read(tmp)) [L853] tmp___0 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___0)) [L863] tmp___2 = __VERIFIER_nondet_int() [L865] COND TRUE \read(tmp___2) [L665] COND FALSE !(\read(pumpRunning)) [L672] COND TRUE \read(systemActive) [L694] int tmp ; [L697] COND FALSE !(\read(pumpRunning)) [L626] int tmp ; [L627] int tmp___0 ; [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L631] tmp = isMethaneLevelCritical() [L633] COND FALSE !(\read(tmp)) [L649] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...