./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/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 c01215307b2c8189e4e6745962a1a26d113e8096 ..................................................................................................................................................................................................................................................................................................................................................................... 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 11:00:47,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:00:47,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:00:47,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:00:47,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:00:47,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:00:47,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:00:47,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:00:47,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:00:47,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:00:47,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:00:47,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:00:47,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:00:47,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:00:47,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:00:47,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:00:47,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:00:47,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:00:47,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:00:47,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:00:47,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:00:47,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:00:47,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:00:47,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:00:47,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:00:47,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:00:47,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:00:47,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:00:47,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:00:47,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:00:47,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:00:47,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:00:47,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:00:47,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:00:47,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:00:47,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:00:47,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:00:47,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:00:47,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:00:47,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:00:47,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:00:47,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:00:47,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:00:47,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:00:47,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:00:47,119 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:00:47,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:00:47,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:00:47,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:00:47,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:00:47,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:00:47,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:00:47,122 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:00:47,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:00:47,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:00:47,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:00:47,122 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:00:47,123 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:00:47,123 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_c0507f9a-8bac-4ab6-bb5e-601637b01449/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 -> c01215307b2c8189e4e6745962a1a26d113e8096 [2019-12-07 11:00:47,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:00:47,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:00:47,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:00:47,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:00:47,233 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:00:47,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 11:00:47,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/data/b1c929a6c/3e63fce8e3504ec98b5d93b851cf7336/FLAG7718185ef [2019-12-07 11:00:47,709 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:00:47,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2019-12-07 11:00:47,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/data/b1c929a6c/3e63fce8e3504ec98b5d93b851cf7336/FLAG7718185ef [2019-12-07 11:00:47,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/data/b1c929a6c/3e63fce8e3504ec98b5d93b851cf7336 [2019-12-07 11:00:47,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:00:47,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:00:47,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:00:47,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:00:47,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:00:47,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:00:47" (1/1) ... [2019-12-07 11:00:47,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:47, skipping insertion in model container [2019-12-07 11:00:47,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:00:47" (1/1) ... [2019-12-07 11:00:47,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:00:47,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:00:48,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:00:48,012 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:00:48,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:00:48,101 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:00:48,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48 WrapperNode [2019-12-07 11:00:48,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:00:48,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:00:48,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:00:48,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:00:48,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:00:48,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:00:48,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:00:48,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:00:48,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... [2019-12-07 11:00:48,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:00:48,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:00:48,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:00:48,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:00:48,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/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 11:00:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:00:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:00:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:00:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:00:48,621 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:00:48,621 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 11:00:48,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:48 BoogieIcfgContainer [2019-12-07 11:00:48,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:00:48,623 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:00:48,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:00:48,625 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:00:48,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:48,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:00:47" (1/3) ... [2019-12-07 11:00:48,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a83209c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:00:48, skipping insertion in model container [2019-12-07 11:00:48,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:48,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:00:48" (2/3) ... [2019-12-07 11:00:48,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a83209c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:00:48, skipping insertion in model container [2019-12-07 11:00:48,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:00:48,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:48" (3/3) ... [2019-12-07 11:00:48,628 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2019-12-07 11:00:48,657 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:00:48,657 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:00:48,657 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:00:48,657 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:00:48,657 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:00:48,657 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:00:48,657 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:00:48,657 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:00:48,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-12-07 11:00:48,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-12-07 11:00:48,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:00:48,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:00:48,693 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:48,694 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:48,694 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:00:48,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-12-07 11:00:48,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-12-07 11:00:48,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:00:48,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:00:48,699 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:48,699 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:48,703 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 12#L-1true havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9; 6#L365true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 28#L373true main_#t~ret63 := valid_product_#res;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 7#L866true assume 0 != main_~tmp~9; 93#L842true ~methAndRunningLastTime~0 := 0; 18#L750true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 20#L761-1true [2019-12-07 11:00:48,703 INFO L796 eck$LassoCheckResult]: Loop: 20#L761-1true assume !false; 48#L56true assume test_~splverifierCounter~0 < 4; 109#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 15#L65true assume !(0 != test_~tmp~0); 14#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 63#L75true assume !(0 != test_~tmp___0~0); 62#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 96#L85true assume 0 != test_~tmp___2~0; 69#L91-1true assume !(0 != ~pumpRunning~0); 94#L137true assume !(0 != ~systemActive~0); 34#L144true havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 108#L924-1true __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 17#L761true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 20#L761-1true [2019-12-07 11:00:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:48,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 11:00:48,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:48,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759363308] [2019-12-07 11:00:48,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:48,920 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:48,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:48,920 INFO L82 PathProgramCache]: Analyzing trace with hash 12573267, now seen corresponding path program 1 times [2019-12-07 11:00:48,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:48,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126572184] [2019-12-07 11:00:48,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:48,931 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:48,932 INFO L82 PathProgramCache]: Analyzing trace with hash 845869773, now seen corresponding path program 1 times [2019-12-07 11:00:48,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:48,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343206776] [2019-12-07 11:00:48,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:00:49,014 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 11:00:49,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343206776] [2019-12-07 11:00:49,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:00:49,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:00:49,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445617340] [2019-12-07 11:00:49,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:00:49,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:00:49,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:00:49,079 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2019-12-07 11:00:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:00:49,196 INFO L93 Difference]: Finished difference Result 262 states and 373 transitions. [2019-12-07 11:00:49,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:00:49,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 373 transitions. [2019-12-07 11:00:49,206 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2019-12-07 11:00:49,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 241 states and 352 transitions. [2019-12-07 11:00:49,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2019-12-07 11:00:49,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2019-12-07 11:00:49,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 352 transitions. [2019-12-07 11:00:49,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:00:49,217 INFO L688 BuchiCegarLoop]: Abstraction has 241 states and 352 transitions. [2019-12-07 11:00:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 352 transitions. [2019-12-07 11:00:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 145. [2019-12-07 11:00:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-12-07 11:00:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 211 transitions. [2019-12-07 11:00:49,255 INFO L711 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2019-12-07 11:00:49,255 INFO L591 BuchiCegarLoop]: Abstraction has 145 states and 211 transitions. [2019-12-07 11:00:49,255 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:00:49,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 211 transitions. [2019-12-07 11:00:49,257 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2019-12-07 11:00:49,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:00:49,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:00:49,258 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:49,258 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:00:49,258 INFO L794 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 404#L-1 havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~8, main_~tmp~9;havoc main_~retValue_acc~8;havoc main_~tmp~9; 394#L365 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 395#L373 main_#t~ret63 := valid_product_#res;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; 396#L866 assume 0 != main_~tmp~9; 397#L842 ~methAndRunningLastTime~0 := 0; 414#L750 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L761-1 [2019-12-07 11:00:49,259 INFO L796 eck$LassoCheckResult]: Loop: 413#L761-1 assume !false; 417#L56 assume test_~splverifierCounter~0 < 4; 455#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 408#L65 assume !(0 != test_~tmp~0); 391#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 407#L75 assume !(0 != test_~tmp___0~0); 467#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 468#L85 assume 0 != test_~tmp___2~0; 474#L91-1 assume !(0 != ~pumpRunning~0); 461#L137 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 486#L195 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 427#L169-1 assume !(0 != ~pumpRunning~0); 428#L144 havoc __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_#t~ret62, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 435#L924-1 __utac_acc__Specification2_spec__2_#t~ret61 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret61;havoc __utac_acc__Specification2_spec__2_#t~ret61; 411#L761 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 413#L761-1 [2019-12-07 11:00:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:49,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 11:00:49,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:49,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579920454] [2019-12-07 11:00:49,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,335 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:49,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1343596421, now seen corresponding path program 1 times [2019-12-07 11:00:49,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:49,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827230033] [2019-12-07 11:00:49,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:00:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:00:49,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1017345665, now seen corresponding path program 1 times [2019-12-07 11:00:49,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:00:49,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105877148] [2019-12-07 11:00:49,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:00:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:00:49,409 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:01:08,506 WARN L192 SmtUtils]: Spent 19.04 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 11:01:20,487 WARN L192 SmtUtils]: Spent 11.97 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 11:01:20,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:01:20 BoogieIcfgContainer [2019-12-07 11:01:20,534 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:01:20,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:01:20,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:01:20,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:01:20,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:00:48" (3/4) ... [2019-12-07 11:01:20,537 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 11:01:20,575 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c0507f9a-8bac-4ab6-bb5e-601637b01449/bin/uautomizer/witness.graphml [2019-12-07 11:01:20,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:01:20,576 INFO L168 Benchmark]: Toolchain (without parser) took 32846.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 946.2 MB in the beginning and 1.0 GB in the end (delta: -94.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:01:20,577 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:01:20,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:01:20,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.35 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 11:01:20,578 INFO L168 Benchmark]: Boogie Preprocessor took 29.50 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 11:01:20,578 INFO L168 Benchmark]: RCFGBuilder took 442.44 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: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:01:20,579 INFO L168 Benchmark]: BuchiAutomizer took 31911.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -22.3 MB). Peak memory consumption was 239.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:01:20,579 INFO L168 Benchmark]: Witness Printer took 40.33 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: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:01:20,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.35 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 29.50 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 442.44 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: 61.6 MB). Peak memory consumption was 61.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 31911.86 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -22.3 MB). Peak memory consumption was 239.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.33 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: 2.3 MB). Peak memory consumption was 2.3 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 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 31.6s. 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, 96 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 145 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 150 SDtfs, 577 SDslu, 701 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7623} State at position 1 is {NULL=7638, NULL=0, NULL=0, NULL=7636, NULL=0, NULL=7623, NULL=7646, NULL=7628, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bfcccbd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c4f8f4f=64, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7db2dd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69655604=0, NULL=7641, NULL=7637, methaneLevelCritical=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4be0ad32=0, NULL=0, tmp___1=0, NULL=7626, cleanupTimeShifts=4, tmp=0, NULL=7640, NULL=7632, NULL=7647, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7627, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f4abde5=0, NULL=7643, retValue_acc=0, NULL=0, NULL=7633, NULL=7644, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=7645, NULL=7624, \result=0, NULL=7639, NULL=0, NULL=0, NULL=0, NULL=7634, retValue_acc=1, NULL=7648, NULL=0, NULL=0, tmp___2=64, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=7630, NULL=7625, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a95ae0b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4726c645=0, tmp=0, head=0, tmp=0, NULL=7642, tmp=1, NULL=0, NULL=0, NULL=7631, NULL=7635, NULL=0, NULL=7629, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@350eb5fd=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L129] int pumpRunning = 0; [L130] int systemActive = 1; [L547] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L744] int methAndRunningLastTime ; [L783] int cleanupTimeShifts = 4; [L881] int waterLevel = 1; [L882] int methaneLevelCritical = 0; [L857] int retValue_acc ; [L858] int tmp ; [L369] int retValue_acc ; [L372] retValue_acc = 1 [L373] return (retValue_acc); [L864] tmp = valid_product() [L866] COND TRUE \read(tmp) [L749] methAndRunningLastTime = 0 [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L137] COND FALSE !(\read(pumpRunning)) [L144] COND TRUE \read(systemActive) [L192] int tmp ; [L195] COND FALSE !(\read(pumpRunning)) [L166] int tmp ; [L169] COND FALSE !(\read(pumpRunning)) [L754] int tmp ; [L755] int tmp___0 ; [L920] int retValue_acc ; [L923] retValue_acc = methaneLevelCritical [L924] return (retValue_acc); [L759] tmp = isMethaneLevelCritical() [L761] COND FALSE !(\read(tmp)) [L777] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...