./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/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 ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:38:44,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:38:44,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:38:44,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:38:44,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:38:44,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:38:44,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:38:44,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:38:44,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:38:44,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:38:44,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:38:44,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:38:44,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:38:44,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:38:44,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:38:44,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:38:44,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:38:44,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:38:44,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:38:44,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:38:44,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:38:44,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:38:44,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:38:44,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:38:44,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:38:44,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:38:44,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:38:44,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:38:44,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:38:44,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:38:44,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:38:44,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:38:44,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:38:44,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:38:44,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:38:44,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:38:44,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:38:44,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:38:44,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:38:44,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:38:44,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:38:44,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:38:44,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:38:44,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:38:44,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:38:44,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:38:44,208 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:38:44,208 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:38:44,208 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:38:44,209 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:38:44,209 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:38:44,209 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:38:44,209 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:38:44,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:38:44,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:38:44,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:38:44,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:38:44,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:38:44,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:38:44,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:38:44,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:38:44,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:38:44,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:38:44,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:38:44,212 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:38:44,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:38:44,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:38:44,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:38:44,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:38:44,213 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:38:44,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:38:44,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:38:44,213 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:38:44,214 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:38:44,214 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_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/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 -> ea28f55a4b6a2303e55c14d7dbcddcf1e8db1491 [2019-11-16 00:38:44,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:38:44,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:38:44,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:38:44,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:38:44,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:38:44,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2019-11-16 00:38:44,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/data/75040b7ad/59ba2ea224b64b0fbdc2e722d14085c6/FLAGa9f4b72a8 [2019-11-16 00:38:44,724 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:38:44,728 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/sv-benchmarks/c/product-lines/minepump_spec2_product42.cil.c [2019-11-16 00:38:44,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/data/75040b7ad/59ba2ea224b64b0fbdc2e722d14085c6/FLAGa9f4b72a8 [2019-11-16 00:38:44,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/data/75040b7ad/59ba2ea224b64b0fbdc2e722d14085c6 [2019-11-16 00:38:44,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:38:44,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:38:44,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:38:44,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:38:44,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:38:44,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:44" (1/1) ... [2019-11-16 00:38:44,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aed1d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:44, skipping insertion in model container [2019-11-16 00:38:44,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:38:44" (1/1) ... [2019-11-16 00:38:44,770 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:38:44,804 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:38:45,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:38:45,241 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:38:45,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:38:45,378 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:38:45,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45 WrapperNode [2019-11-16 00:38:45,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:38:45,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:38:45,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:38:45,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:38:45,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:38:45,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:38:45,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:38:45,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:38:45,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... [2019-11-16 00:38:45,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:38:45,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:38:45,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:38:45,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:38:45,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:38:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:38:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:38:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:38:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:38:46,259 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:38:46,259 INFO L284 CfgBuilder]: Removed 118 assume(true) statements. [2019-11-16 00:38:46,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:46 BoogieIcfgContainer [2019-11-16 00:38:46,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:38:46,261 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:38:46,261 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:38:46,265 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:38:46,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:38:46,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:38:44" (1/3) ... [2019-11-16 00:38:46,268 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@799d4401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:38:46, skipping insertion in model container [2019-11-16 00:38:46,269 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:38:46,269 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:38:45" (2/3) ... [2019-11-16 00:38:46,269 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@799d4401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:38:46, skipping insertion in model container [2019-11-16 00:38:46,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:38:46,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:46" (3/3) ... [2019-11-16 00:38:46,272 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2019-11-16 00:38:46,315 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:38:46,315 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:38:46,315 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:38:46,315 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:38:46,316 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:38:46,316 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:38:46,316 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:38:46,316 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:38:46,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2019-11-16 00:38:46,352 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2019-11-16 00:38:46,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:38:46,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:38:46,359 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:46,359 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:46,359 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:38:46,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2019-11-16 00:38:46,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2019-11-16 00:38:46,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:38:46,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:38:46,367 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:46,367 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:46,372 INFO L791 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 20#L-1true havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 90#L730true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 8#L738true main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 31#L826true assume 0 != main_~tmp~8; 61#L802true ~methAndRunningLastTime~0 := 0; 16#L672true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L683-1true [2019-11-16 00:38:46,373 INFO L793 eck$LassoCheckResult]: Loop: 17#L683-1true assume !false; 74#L422true assume test_~splverifierCounter~0 < 4; 85#L423true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 32#L431true assume !(0 != test_~tmp~3); 4#L431-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 76#L441true assume !(0 != test_~tmp___0~0); 78#L441-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 60#L451true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 70#L459-2true assume !(0 != ~pumpRunning~0); 38#L494true assume !(0 != ~systemActive~0); 47#L501true havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 52#L893-1true __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 14#L683true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 17#L683-1true [2019-11-16 00:38:46,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:46,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-16 00:38:46,387 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:46,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504687509] [2019-11-16 00:38:46,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:46,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:46,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:47,285 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:38:47,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:47,287 INFO L82 PathProgramCache]: Analyzing trace with hash 4046091, now seen corresponding path program 1 times [2019-11-16 00:38:47,288 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:47,288 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125013001] [2019-11-16 00:38:47,288 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,289 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:47,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125013001] [2019-11-16 00:38:47,356 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:38:47,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:38:47,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600660308] [2019-11-16 00:38:47,363 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-16 00:38:47,365 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:47,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:38:47,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:38:47,384 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 3 states. [2019-11-16 00:38:47,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:47,447 INFO L93 Difference]: Finished difference Result 88 states and 123 transitions. [2019-11-16 00:38:47,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:38:47,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 123 transitions. [2019-11-16 00:38:47,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-11-16 00:38:47,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 81 states and 115 transitions. [2019-11-16 00:38:47,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 81 [2019-11-16 00:38:47,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 81 [2019-11-16 00:38:47,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 115 transitions. [2019-11-16 00:38:47,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:38:47,465 INFO L688 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-11-16 00:38:47,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 115 transitions. [2019-11-16 00:38:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-11-16 00:38:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-11-16 00:38:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2019-11-16 00:38:47,499 INFO L711 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-11-16 00:38:47,501 INFO L591 BuchiCegarLoop]: Abstraction has 81 states and 115 transitions. [2019-11-16 00:38:47,501 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:38:47,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 115 transitions. [2019-11-16 00:38:47,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2019-11-16 00:38:47,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:38:47,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:38:47,505 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:47,505 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:47,506 INFO L791 eck$LassoCheckResult]: Stem: 243#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 215#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 216#L730 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 196#L738 main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 197#L826 assume 0 != main_~tmp~8; 227#L802 ~methAndRunningLastTime~0 := 0; 211#L672 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 205#L683-1 [2019-11-16 00:38:47,506 INFO L793 eck$LassoCheckResult]: Loop: 205#L683-1 assume !false; 214#L422 assume test_~splverifierCounter~0 < 4; 260#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 230#L431 assume !(0 != test_~tmp~3); 188#L431-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 189#L441 assume !(0 != test_~tmp___0~0); 263#L441-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 248#L451 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 250#L459-2 assume !(0 != ~pumpRunning~0); 233#L494 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 185#L526 assume !(0 == ~pumpRunning~0); 187#L501 havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 240#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 203#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 205#L683-1 [2019-11-16 00:38:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-16 00:38:47,507 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:47,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372084208] [2019-11-16 00:38:47,507 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,507 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:47,840 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:38:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:47,841 INFO L82 PathProgramCache]: Analyzing trace with hash 83659393, now seen corresponding path program 1 times [2019-11-16 00:38:47,841 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:47,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477357120] [2019-11-16 00:38:47,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:38:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:38:47,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477357120] [2019-11-16 00:38:47,866 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:38:47,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:38:47,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923367226] [2019-11-16 00:38:47,867 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-16 00:38:47,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:38:47,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:38:47,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:38:47,868 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. cyclomatic complexity: 36 Second operand 3 states. [2019-11-16 00:38:47,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:38:47,958 INFO L93 Difference]: Finished difference Result 125 states and 172 transitions. [2019-11-16 00:38:47,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:38:47,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 172 transitions. [2019-11-16 00:38:47,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 86 [2019-11-16 00:38:47,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 125 states and 172 transitions. [2019-11-16 00:38:47,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-11-16 00:38:47,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-11-16 00:38:47,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 172 transitions. [2019-11-16 00:38:47,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:38:47,976 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-11-16 00:38:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 172 transitions. [2019-11-16 00:38:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-16 00:38:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-16 00:38:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 172 transitions. [2019-11-16 00:38:47,989 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-11-16 00:38:47,989 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 172 transitions. [2019-11-16 00:38:47,990 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-16 00:38:47,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 172 transitions. [2019-11-16 00:38:47,992 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 86 [2019-11-16 00:38:47,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:38:47,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:38:47,993 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:47,994 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:38:47,994 INFO L791 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 424#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~8, main_~tmp~8;havoc main_~retValue_acc~8;havoc main_~tmp~8; 425#L730 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 406#L738 main_#t~ret62 := valid_product_#res;main_~tmp~8 := main_#t~ret62;havoc main_#t~ret62; 407#L826 assume 0 != main_~tmp~8; 441#L802 ~methAndRunningLastTime~0 := 0; 420#L672 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 416#L683-1 [2019-11-16 00:38:47,994 INFO L793 eck$LassoCheckResult]: Loop: 416#L683-1 assume !false; 421#L422 assume test_~splverifierCounter~0 < 4; 478#L423 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 442#L431 assume !(0 != test_~tmp~3); 397#L431-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 398#L441 assume !(0 != test_~tmp___0~0); 481#L441-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 466#L451 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 468#L459-2 assume !(0 != ~pumpRunning~0); 448#L494 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 399#L526 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 400#L933 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 464#L938 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 483#L646 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 479#L646-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 469#L652 processEnvironment_#t~ret39 := isHighWaterLevel_#res;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; 432#L530 assume !(0 != processEnvironment_~tmp~4); 428#L501 havoc __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;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; 456#L893-1 __utac_acc__Specification2_spec__2_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret59;havoc __utac_acc__Specification2_spec__2_#t~ret59; 414#L683 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 416#L683-1 [2019-11-16 00:38:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-16 00:38:47,995 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:47,995 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674573000] [2019-11-16 00:38:47,995 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,996 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:47,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,382 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:38:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:48,383 INFO L82 PathProgramCache]: Analyzing trace with hash -160550867, now seen corresponding path program 1 times [2019-11-16 00:38:48,383 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:48,383 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502850562] [2019-11-16 00:38:48,383 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:48,384 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:48,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,399 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:38:48,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:38:48,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1005025907, now seen corresponding path program 1 times [2019-11-16 00:38:48,400 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:38:48,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17646655] [2019-11-16 00:38:48,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:48,401 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:38:48,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:38:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:38:48,679 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:38:48,840 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-16 00:39:16,125 WARN L191 SmtUtils]: Spent 27.19 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-11-16 00:39:31,543 WARN L191 SmtUtils]: Spent 15.40 s on a formula simplification that was a NOOP. DAG size: 451 [2019-11-16 00:39:31,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:39:31 BoogieIcfgContainer [2019-11-16 00:39:31,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:39:31,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:39:31,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:39:31,622 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:39:31,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:38:46" (3/4) ... [2019-11-16 00:39:31,625 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-16 00:39:31,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c19b6e41-ea2a-4bd4-a03b-4e1a074a1abb/bin/uautomizer/witness.graphml [2019-11-16 00:39:31,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:39:31,706 INFO L168 Benchmark]: Toolchain (without parser) took 46949.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.7 MB). Free memory was 939.6 MB in the beginning and 893.3 MB in the end (delta: 46.3 MB). Peak memory consumption was 320.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,707 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:39:31,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.23 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,717 INFO L168 Benchmark]: Boogie Preprocessor took 53.00 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. [2019-11-16 00:39:31,719 INFO L168 Benchmark]: RCFGBuilder took 763.10 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,720 INFO L168 Benchmark]: BuchiAutomizer took 45359.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 907.4 MB in the end (delta: 113.0 MB). Peak memory consumption was 403.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,721 INFO L168 Benchmark]: Witness Printer took 82.50 ms. Allocated memory is still 1.3 GB. Free memory was 907.4 MB in the beginning and 893.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:39:31,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.23 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.00 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 763.10 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45359.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 1.0 GB in the beginning and 907.4 MB in the end (delta: 113.0 MB). Peak memory consumption was 403.9 MB. Max. memory is 11.5 GB. * Witness Printer took 82.50 ms. Allocated memory is still 1.3 GB. Free memory was 907.4 MB in the beginning and 893.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 125 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 44.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 125 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 235 SDtfs, 217 SDslu, 54 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 421]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-4, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=-9, NULL=-6, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49dbe710=0, tmp___0=0, retValue_acc=0, tmp=0, NULL=0, NULL=0, NULL=-20, tmp___1=0, NULL=-10, NULL=-3, NULL=-16, NULL=-22, cleanupTimeShifts=4, NULL=-11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18f025e0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f6bac78=0, NULL=-25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e9af06=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bd6590a=0, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66e06968=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=0, NULL=-21, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=-17, head=0, pumpRunning=0, NULL=-1, NULL=-5, \result=0, NULL=-18, NULL=0, NULL=-8, NULL=0, tmp=1, NULL=0, NULL=0, \result=1, retValue_acc=1, NULL=-14, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e4df88d=0, tmp___2=59, retValue_acc=1, NULL=-15, tmp=1, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=-12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72412334=0, head=0, tmp=0, NULL=0, NULL=-13, NULL=-7, NULL=0, NULL=-24, NULL=0, NULL=0, NULL=-23, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@784fe4b1=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; [L817] int retValue_acc ; [L818] int tmp ; [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] return (retValue_acc); [L824] tmp = valid_product() [L826] COND TRUE \read(tmp) [L671] methAndRunningLastTime = 0 [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] splverifierCounter = 0 Loop: [L421] COND TRUE 1 [L423] COND TRUE splverifierCounter < 4 [L429] tmp = __VERIFIER_nondet_int() [L431] COND FALSE !(\read(tmp)) [L439] tmp___0 = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp___0)) [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___2) [L660] systemActive = 1 [L494] COND FALSE !(\read(pumpRunning)) [L501] COND TRUE \read(systemActive) [L523] int tmp ; [L526] COND TRUE ! pumpRunning [L638] int retValue_acc ; [L639] int tmp ; [L640] int tmp___0 ; [L930] int retValue_acc ; [L933] COND TRUE waterLevel < 2 [L934] retValue_acc = 1 [L935] return (retValue_acc); [L644] tmp = isHighWaterSensorDry() [L646] COND TRUE \read(tmp) [L647] tmp___0 = 0 [L651] retValue_acc = tmp___0 [L652] return (retValue_acc); [L528] tmp = isHighWaterLevel() [L530] COND FALSE !(\read(tmp)) [L676] int tmp ; [L677] int tmp___0 ; [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...