./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/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 84841b0b7c643c254d02f565fa50ff7ee5853434 ........................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-20 06:24:13,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:24:13,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:24:13,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:24:13,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:24:13,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:24:13,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:24:13,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:24:13,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:24:13,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:24:13,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:24:13,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:24:13,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:24:13,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:24:13,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:24:13,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:24:13,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:24:13,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:24:13,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:24:13,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:24:13,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:24:13,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:24:13,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:24:13,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:24:13,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:24:13,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:24:13,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:24:13,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:24:13,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:24:13,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:24:13,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:24:13,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:24:13,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:24:13,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:24:13,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:24:13,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:24:13,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:24:13,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:24:13,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:24:13,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:24:13,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:24:13,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 06:24:13,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:24:13,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:24:13,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:24:13,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:24:13,780 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:24:13,780 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:24:13,780 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:24:13,781 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:24:13,781 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:24:13,781 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:24:13,781 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:24:13,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:24:13,782 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:24:13,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:24:13,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:24:13,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:24:13,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:24:13,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:24:13,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:24:13,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:24:13,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:24:13,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:24:13,788 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:24:13,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:24:13,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:24:13,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:24:13,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:24:13,791 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:24:13,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:24:13,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:24:13,792 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:24:13,793 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:24:13,794 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_5993a676-4beb-4c2f-835a-bd3aa89f4586/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-11-20 06:24:13,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:24:13,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:24:13,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:24:13,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:24:13,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:24:13,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-11-20 06:24:14,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/data/cbeaa5693/a2a10d72dd874ad09dd431a6e105a133/FLAG0f31dd663 [2019-11-20 06:24:14,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:24:14,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-11-20 06:24:14,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/data/cbeaa5693/a2a10d72dd874ad09dd431a6e105a133/FLAG0f31dd663 [2019-11-20 06:24:14,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/data/cbeaa5693/a2a10d72dd874ad09dd431a6e105a133 [2019-11-20 06:24:14,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:24:14,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:24:14,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:24:14,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:24:14,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:24:14,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:14" (1/1) ... [2019-11-20 06:24:14,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1ba59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:14, skipping insertion in model container [2019-11-20 06:24:14,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:14" (1/1) ... [2019-11-20 06:24:14,871 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:24:14,940 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:24:15,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:24:15,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:24:15,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:24:15,559 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:24:15,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15 WrapperNode [2019-11-20 06:24:15,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:24:15,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:24:15,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:24:15,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:24:15,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:24:15,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:24:15,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:24:15,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:24:15,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... [2019-11-20 06:24:15,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:24:15,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:24:15,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:24:15,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:24:15,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/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 [2019-11-20 06:24:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:24:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:24:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:24:15,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:24:16,612 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:24:16,612 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-20 06:24:16,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:16 BoogieIcfgContainer [2019-11-20 06:24:16,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:24:16,614 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:24:16,614 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:24:16,618 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:24:16,619 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:24:16,619 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:24:14" (1/3) ... [2019-11-20 06:24:16,621 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77bfb3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:16, skipping insertion in model container [2019-11-20 06:24:16,621 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:24:16,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:15" (2/3) ... [2019-11-20 06:24:16,622 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77bfb3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:16, skipping insertion in model container [2019-11-20 06:24:16,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:24:16,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:16" (3/3) ... [2019-11-20 06:24:16,624 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2019-11-20 06:24:16,686 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:24:16,687 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:24:16,687 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:24:16,687 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:24:16,687 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:24:16,687 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:24:16,688 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:24:16,688 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:24:16,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 06:24:16,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 06:24:16,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:24:16,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:24:16,759 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 06:24:16,759 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:24:16,759 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:24:16,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 06:24:16,765 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 06:24:16,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:24:16,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:24:16,767 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 06:24:16,767 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:24:16,773 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 7#L833true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 15#L841true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 10#L928true assume 0 != main_~tmp~8; 62#L905true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 37#L790-1true [2019-11-20 06:24:16,774 INFO L796 eck$LassoCheckResult]: Loop: 37#L790-1true assume !false; 4#L526true assume test_~splverifierCounter~0 < 4; 51#L527true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 58#L535true assume !(0 != test_~tmp~3); 60#L535-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 33#L545true assume !(0 != test_~tmp___0~0); 36#L545-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 9#L555true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L563-1true assume !(0 != ~pumpRunning~0); 14#L596true assume !(0 != ~systemActive~0); 27#L603true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 45#L465true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 34#L790true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 37#L790-1true [2019-11-20 06:24:16,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:24:16,782 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 06:24:16,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:24:16,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2817542] [2019-11-20 06:24:16,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:24:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,157 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:24:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:24:17,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-11-20 06:24:17,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:24:17,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108204718] [2019-11-20 06:24:17,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:24:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:24:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:24:17,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108204718] [2019-11-20 06:24:17,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:24:17,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:24:17,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298855579] [2019-11-20 06:24:17,227 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 06:24:17,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:24:17,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:24:17,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:24:17,247 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-11-20 06:24:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:24:17,348 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-11-20 06:24:17,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:24:17,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-11-20 06:24:17,371 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-11-20 06:24:17,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-11-20 06:24:17,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-11-20 06:24:17,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-11-20 06:24:17,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-11-20 06:24:17,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:24:17,395 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-11-20 06:24:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-11-20 06:24:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-11-20 06:24:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-20 06:24:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-11-20 06:24:17,475 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-20 06:24:17,476 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-20 06:24:17,476 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:24:17,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-11-20 06:24:17,481 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-11-20 06:24:17,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:24:17,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:24:17,483 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 06:24:17,483 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:24:17,483 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 242#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 234#L833 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 235#L841 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 240#L928 assume 0 != main_~tmp~8; 241#L905 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 272#L790-1 [2019-11-20 06:24:17,484 INFO L796 eck$LassoCheckResult]: Loop: 272#L790-1 assume !false; 311#L526 assume test_~splverifierCounter~0 < 4; 312#L527 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 296#L535 assume !(0 != test_~tmp~3); 293#L535-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 267#L545 assume !(0 != test_~tmp___0~0); 268#L545-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 320#L555 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 238#L563-1 assume !(0 != ~pumpRunning~0); 246#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 247#L628 assume !(0 != ~pumpRunning~0); 231#L603 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 263#L465 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 270#L790 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 272#L790-1 [2019-11-20 06:24:17,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:24:17,485 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 06:24:17,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:24:17,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096955743] [2019-11-20 06:24:17,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:24:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:24:17,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:24:17,646 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-11-20 06:24:17,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:24:17,647 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049714964] [2019-11-20 06:24:17,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:24:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,662 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:24:17,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:24:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-11-20 06:24:17,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:24:17,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340554557] [2019-11-20 06:24:17,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:24:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:24:17,790 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:24:17,928 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-20 06:24:53,109 WARN L191 SmtUtils]: Spent 35.12 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 06:25:10,082 WARN L191 SmtUtils]: Spent 16.97 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 06:25:10,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:25:10 BoogieIcfgContainer [2019-11-20 06:25:10,166 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:25:10,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:25:10,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:25:10,167 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:25:10,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:16" (3/4) ... [2019-11-20 06:25:10,171 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 06:25:10,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5993a676-4beb-4c2f-835a-bd3aa89f4586/bin/uautomizer/witness.graphml [2019-11-20 06:25:10,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:25:10,231 INFO L168 Benchmark]: Toolchain (without parser) took 55377.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,232 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:25:10,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,233 INFO L168 Benchmark]: Boogie Preprocessor took 73.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:25:10,234 INFO L168 Benchmark]: RCFGBuilder took 904.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,235 INFO L168 Benchmark]: BuchiAutomizer took 53552.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.6 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,235 INFO L168 Benchmark]: Witness Printer took 62.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:25:10,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 708.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 904.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53552.16 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -73.6 MB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 53.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 525]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2283} State at position 1 is {NULL=0, NULL=2307, NULL=0, NULL=2283, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@685cdb61=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b397c6a=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10a6d60=0, NULL=0, NULL=2296, NULL=2306, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a4791b=0, NULL=0, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=2286, NULL=2305, tmp___0=0, NULL=2293, NULL=2299, NULL=2289, cleanupTimeShifts=4, NULL=2297, NULL=2303, NULL=2301, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5863ec1c=0, NULL=2304, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=2294, head=0, pumpRunning=0, NULL=2300, \result=0, NULL=2291, tmp=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29001766=0, NULL=0, NULL=2284, NULL=2290, NULL=2292, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fdf8c4a=0, tmp___2=56, NULL=2285, splverifierCounter=0, NULL=0, \result=0, NULL=2308, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b8a562d=0, tmp=0, NULL=0, NULL=2298, NULL=2287, NULL=0, NULL=2295, NULL=0, NULL=0, NULL=2302, NULL=2288} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L846] int cleanupTimeShifts = 4; [L919] int retValue_acc ; [L920] int tmp ; [L837] int retValue_acc ; [L840] retValue_acc = 1 [L841] return (retValue_acc); [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L777] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L783] int tmp ; [L784] int tmp___0 ; [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L788] tmp = isMethaneLevelCritical() [L790] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...