./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/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 7879ca98f25531324d15e1db6b1d755ab21e7b97 ........................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:30:03,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:30:03,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:30:03,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:30:03,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:30:03,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:30:03,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:30:03,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:30:03,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:30:03,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:30:03,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:30:03,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:30:03,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:30:03,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:30:03,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:30:03,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:30:03,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:30:03,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:30:03,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:30:03,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:30:03,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:30:03,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:30:03,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:30:03,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:30:03,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:30:03,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:30:03,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:30:03,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:30:03,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:30:03,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:30:03,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:30:03,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:30:03,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:30:03,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:30:03,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:30:03,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:30:03,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:30:03,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:30:03,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:30:03,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:30:03,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:30:03,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:30:03,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:30:03,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:30:03,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:30:03,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:30:03,667 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:30:03,668 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:30:03,668 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:30:03,668 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:30:03,668 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:30:03,668 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:30:03,669 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:30:03,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:30:03,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:30:03,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:30:03,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:30:03,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:30:03,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:30:03,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:30:03,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:30:03,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:30:03,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:30:03,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:30:03,672 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:30:03,672 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:30:03,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:30:03,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:30:03,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:30:03,673 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:30:03,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:30:03,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:30:03,674 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:30:03,675 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:30:03,675 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_4d958531-3270-4188-a1dc-03f9d66e8c5e/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 -> 7879ca98f25531324d15e1db6b1d755ab21e7b97 [2019-11-19 22:30:03,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:30:03,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:30:03,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:30:03,859 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:30:03,860 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:30:03,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2019-11-19 22:30:03,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/data/022601e5b/811e3e39a71f4a43bdebed59e3c85885/FLAG50a37fe93 [2019-11-19 22:30:04,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:30:04,390 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2019-11-19 22:30:04,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/data/022601e5b/811e3e39a71f4a43bdebed59e3c85885/FLAG50a37fe93 [2019-11-19 22:30:04,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/data/022601e5b/811e3e39a71f4a43bdebed59e3c85885 [2019-11-19 22:30:04,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:30:04,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:30:04,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:04,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:30:04,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:30:04,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:04" (1/1) ... [2019-11-19 22:30:04,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e1ca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:04, skipping insertion in model container [2019-11-19 22:30:04,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:04" (1/1) ... [2019-11-19 22:30:04,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:30:04,814 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:30:05,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:05,205 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:30:05,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:05,300 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:30:05,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05 WrapperNode [2019-11-19 22:30:05,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:05,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:05,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:30:05,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:30:05,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:05,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:30:05,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:30:05,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:30:05,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... [2019-11-19 22:30:05,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:30:05,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:30:05,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:30:05,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:30:05,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:30:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:30:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:30:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:30:06,269 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:30:06,270 INFO L285 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-19 22:30:06,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:06 BoogieIcfgContainer [2019-11-19 22:30:06,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:30:06,271 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:30:06,272 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:30:06,274 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:30:06,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:06,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:30:04" (1/3) ... [2019-11-19 22:30:06,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5620d9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:30:06, skipping insertion in model container [2019-11-19 22:30:06,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:06,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:05" (2/3) ... [2019-11-19 22:30:06,278 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5620d9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:30:06, skipping insertion in model container [2019-11-19 22:30:06,278 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:06,278 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:06" (3/3) ... [2019-11-19 22:30:06,280 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product22.cil.c [2019-11-19 22:30:06,324 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:30:06,325 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:30:06,325 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:30:06,325 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:30:06,325 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:30:06,325 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:30:06,325 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:30:06,326 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:30:06,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-19 22:30:06,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-19 22:30:06,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:06,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:06,371 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,371 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,372 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:30:06,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-19 22:30:06,377 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-19 22:30:06,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:06,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:06,378 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,379 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,383 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 8#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 108#L269true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 10#L277true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 103#L233true assume 0 != main_~tmp~0; 96#L206true havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4#L921-1true [2019-11-19 22:30:06,383 INFO L796 eck$LassoCheckResult]: Loop: 4#L921-1true assume !false; 83#L484true assume test_~splverifierCounter~0 < 4; 48#L485true test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 52#L493true assume !(0 != test_~tmp~4); 54#L493-1true test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 99#L503true assume !(0 != test_~tmp___0~1); 100#L503-1true test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 34#L513true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 38#L521-2true assume !(0 != ~pumpRunning~0); 85#L294true assume !(0 != ~systemActive~0); 39#L301true havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 110#L90-1true __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 22#L915true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 4#L921-1true [2019-11-19 22:30:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:30:06,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:06,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562296238] [2019-11-19 22:30:06,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:06,667 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:06,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:06,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344202, now seen corresponding path program 1 times [2019-11-19 22:30:06,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:06,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999961940] [2019-11-19 22:30:06,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:06,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:06,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999961940] [2019-11-19 22:30:06,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:06,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:30:06,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226776476] [2019-11-19 22:30:06,722 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:30:06,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:06,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:30:06,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:30:06,738 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2019-11-19 22:30:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:06,788 INFO L93 Difference]: Finished difference Result 108 states and 152 transitions. [2019-11-19 22:30:06,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:30:06,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 152 transitions. [2019-11-19 22:30:06,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-19 22:30:06,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 144 transitions. [2019-11-19 22:30:06,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2019-11-19 22:30:06,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2019-11-19 22:30:06,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 144 transitions. [2019-11-19 22:30:06,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:30:06,816 INFO L688 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 22:30:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 144 transitions. [2019-11-19 22:30:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-19 22:30:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-19 22:30:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-11-19 22:30:06,855 INFO L711 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 22:30:06,855 INFO L591 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-19 22:30:06,855 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:30:06,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 144 transitions. [2019-11-19 22:30:06,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-19 22:30:06,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:06,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:06,862 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,862 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:06,863 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 236#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 237#L269 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 240#L277 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 241#L233 assume 0 != main_~tmp~0; 325#L206 havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 226#L921-1 [2019-11-19 22:30:06,863 INFO L796 eck$LassoCheckResult]: Loop: 226#L921-1 assume !false; 228#L484 assume test_~splverifierCounter~0 < 4; 294#L485 test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 295#L493 assume !(0 != test_~tmp~4); 245#L493-1 test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 299#L503 assume !(0 != test_~tmp___0~1); 317#L503-1 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 278#L513 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 279#L521-2 assume !(0 != ~pumpRunning~0); 283#L294 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 318#L352 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 270#L326-1 assume !(0 != ~pumpRunning~0); 269#L301 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 285#L90-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 261#L915 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 226#L921-1 [2019-11-19 22:30:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:06,863 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 22:30:06,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:06,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676561414] [2019-11-19 22:30:06,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,015 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:07,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435480, now seen corresponding path program 1 times [2019-11-19 22:30:07,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:07,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517412262] [2019-11-19 22:30:07,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:07,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:07,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149570, now seen corresponding path program 1 times [2019-11-19 22:30:07,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:07,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561547333] [2019-11-19 22:30:07,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:07,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561547333] [2019-11-19 22:30:07,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:07,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:30:07,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640053835] [2019-11-19 22:30:07,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:07,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:30:07,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:30:07,316 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. cyclomatic complexity: 45 Second operand 5 states. [2019-11-19 22:30:07,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:07,506 INFO L93 Difference]: Finished difference Result 355 states and 516 transitions. [2019-11-19 22:30:07,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:30:07,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 516 transitions. [2019-11-19 22:30:07,512 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2019-11-19 22:30:07,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 355 states and 516 transitions. [2019-11-19 22:30:07,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 355 [2019-11-19 22:30:07,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 355 [2019-11-19 22:30:07,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 355 states and 516 transitions. [2019-11-19 22:30:07,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:30:07,519 INFO L688 BuchiCegarLoop]: Abstraction has 355 states and 516 transitions. [2019-11-19 22:30:07,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states and 516 transitions. [2019-11-19 22:30:07,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 196. [2019-11-19 22:30:07,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-19 22:30:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 278 transitions. [2019-11-19 22:30:07,534 INFO L711 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2019-11-19 22:30:07,534 INFO L591 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2019-11-19 22:30:07,534 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:30:07,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 278 transitions. [2019-11-19 22:30:07,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2019-11-19 22:30:07,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:07,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:07,537 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:07,537 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:07,537 INFO L794 eck$LassoCheckResult]: Stem: 805#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25); 712#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 713#L269 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 714#L277 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 715#L233 assume 0 != main_~tmp~0; 821#L206 havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 822#L921-1 [2019-11-19 22:30:07,538 INFO L796 eck$LassoCheckResult]: Loop: 822#L921-1 assume !false; 873#L484 assume test_~splverifierCounter~0 < 4; 780#L485 test_~tmp~4 := test_#t~nondet32;havoc test_#t~nondet32; 781#L493 assume !(0 != test_~tmp~4); 721#L493-1 test_~tmp___0~1 := test_#t~nondet33;havoc test_#t~nondet33; 788#L503 assume !(0 != test_~tmp___0~1); 825#L503-1 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 826#L513 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 887#L521-2 assume !(0 != ~pumpRunning~0); 886#L294 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 883#L352 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 746#L326-1 assume !(0 != ~pumpRunning~0); 745#L301 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 831#L90-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 832#L915 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 750#L122 __utac_acc__Specification3_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; 751#L921 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 822#L921-1 [2019-11-19 22:30:07,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:07,538 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 22:30:07,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:07,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355076442] [2019-11-19 22:30:07,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,655 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:07,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:07,656 INFO L82 PathProgramCache]: Analyzing trace with hash -897468678, now seen corresponding path program 1 times [2019-11-19 22:30:07,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:07,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967981902] [2019-11-19 22:30:07,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,674 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:07,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash -488313836, now seen corresponding path program 1 times [2019-11-19 22:30:07,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:07,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588983362] [2019-11-19 22:30:07,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:07,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:07,889 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-19 22:30:33,846 WARN L191 SmtUtils]: Spent 25.91 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:30:46,362 WARN L191 SmtUtils]: Spent 12.52 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:30:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:30:46 BoogieIcfgContainer [2019-11-19 22:30:46,423 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:30:46,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:30:46,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:30:46,424 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:30:46,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:06" (3/4) ... [2019-11-19 22:30:46,427 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:30:46,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d958531-3270-4188-a1dc-03f9d66e8c5e/bin/uautomizer/witness.graphml [2019-11-19 22:30:46,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:30:46,477 INFO L168 Benchmark]: Toolchain (without parser) took 41742.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -206.4 MB). Peak memory consumption was 150.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,478 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:30:46,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,479 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,479 INFO L168 Benchmark]: RCFGBuilder took 864.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,480 INFO L168 Benchmark]: BuchiAutomizer took 40151.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.1 MB). Peak memory consumption was 334.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,480 INFO L168 Benchmark]: Witness Printer took 52.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:46,483 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 864.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40151.95 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 171.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.1 MB). Peak memory consumption was 334.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 196 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 39.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 196 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 349 SDtfs, 686 SDslu, 604 SDs, 0 SdLazy, 82 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 483]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2202} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=2213, NULL=2204, NULL=0, NULL=2202, retValue_acc=0, NULL=2223, NULL=2210, NULL=2215, NULL=2220, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@100edcbc=0, tmp=0, NULL=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d97003d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71ce655b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@784a7ce4=0, NULL=2218, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@777843d7=0, NULL=2203, NULL=2206, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28af30a7=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e00fa9d=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fe7ae76=0, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=2226, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, NULL=2208, head=0, pumpRunning=0, tmp=1, NULL=2216, \result=0, NULL=2211, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b289803=0, retValue_acc=1, NULL=2219, NULL=2217, NULL=2212, tmp___2=63, NULL=2221, tmp___0=0, NULL=2227, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=2207, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d8332e3=0, NULL=2229, tmp=0, tmp___1=0, head=0, NULL=0, NULL=0, NULL=2214, NULL=0, NULL=0, NULL=2205, NULL=2209, NULL=0, NULL=2228, NULL=2222} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L286] int pumpRunning = 0; [L287] int systemActive = 1; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L224] int retValue_acc ; [L225] int tmp ; [L273] int retValue_acc ; [L276] retValue_acc = 1 [L277] return (retValue_acc); [L231] tmp = valid_product() [L233] COND TRUE \read(tmp) [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 Loop: [L483] COND TRUE 1 [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp)) [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L468] systemActive = 1 [L294] COND FALSE !(\read(pumpRunning)) [L301] COND TRUE \read(systemActive) [L349] int tmp ; [L352] COND FALSE !(\read(pumpRunning)) [L323] int tmp ; [L326] COND FALSE !(\read(pumpRunning)) [L907] int tmp ; [L908] int tmp___0 ; [L909] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L919] tmp___0 = getWaterLevel() [L921] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...