./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ........................................................................................................................................................................................................................................................................................................................................................... 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 02:17:57,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:17:57,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:17:57,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:17:57,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:17:57,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:17:57,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:17:57,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:17:57,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:17:57,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:17:57,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:17:57,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:17:57,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:17:57,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:17:57,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:17:57,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:17:57,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:17:57,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:17:57,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:17:57,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:17:57,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:17:57,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:17:57,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:17:57,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:17:57,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:17:57,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:17:57,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:17:57,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:17:57,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:17:57,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:17:57,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:17:57,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:17:57,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:17:57,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:17:57,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:17:57,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:17:57,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:17:57,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:17:57,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:17:57,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:17:57,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:17:57,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:17:57,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:17:58,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:17:58,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:17:58,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:17:58,001 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:17:58,001 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:17:58,002 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:17:58,002 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:17:58,002 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:17:58,002 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:17:58,003 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:17:58,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:17:58,003 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:17:58,003 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:17:58,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:17:58,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:17:58,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:17:58,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:17:58,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:17:58,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:17:58,005 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:17:58,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:17:58,005 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:17:58,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:17:58,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:17:58,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:17:58,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:17:58,007 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:17:58,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:17:58,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:17:58,007 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:17:58,008 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:17:58,008 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_7f8f3b04-46fa-4453-9484-30dd2765927c/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2019-11-20 02:17:58,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:17:58,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:17:58,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:17:58,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:17:58,234 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:17:58,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-20 02:17:58,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/data/0d8cee192/beb8745d4d254674a3ec17763b0d7089/FLAGbfdca155d [2019-11-20 02:17:58,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:17:58,816 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-20 02:17:58,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/data/0d8cee192/beb8745d4d254674a3ec17763b0d7089/FLAGbfdca155d [2019-11-20 02:17:59,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/data/0d8cee192/beb8745d4d254674a3ec17763b0d7089 [2019-11-20 02:17:59,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:17:59,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:17:59,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:59,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:17:59,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:17:59,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10479bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59, skipping insertion in model container [2019-11-20 02:17:59,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:17:59,177 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:17:59,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:59,649 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:17:59,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:17:59,802 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:17:59,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59 WrapperNode [2019-11-20 02:17:59,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:17:59,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:59,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:17:59,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:17:59,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:17:59,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:17:59,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:17:59,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:17:59,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... [2019-11-20 02:17:59,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:17:59,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:17:59,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:17:59,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:17:59,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/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 02:18:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:18:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:18:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:18:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:18:00,776 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:18:00,776 INFO L285 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-20 02:18:00,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:18:00 BoogieIcfgContainer [2019-11-20 02:18:00,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:18:00,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:18:00,779 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:18:00,783 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:18:00,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:18:00,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:17:59" (1/3) ... [2019-11-20 02:18:00,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a54b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:18:00, skipping insertion in model container [2019-11-20 02:18:00,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:18:00,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:17:59" (2/3) ... [2019-11-20 02:18:00,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a54b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:18:00, skipping insertion in model container [2019-11-20 02:18:00,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:18:00,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:18:00" (3/3) ... [2019-11-20 02:18:00,790 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-11-20 02:18:00,849 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:18:00,849 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:18:00,850 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:18:00,851 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:18:00,851 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:18:00,851 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:18:00,851 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:18:00,851 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:18:00,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-20 02:18:00,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-20 02:18:00,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:18:00,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:18:00,934 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:18:00,934 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:18:00,934 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:18:00,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-20 02:18:00,949 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-20 02:18:00,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:18:00,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:18:00,952 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:18:00,952 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:18:00,957 INFO L794 eck$LassoCheckResult]: Stem: 86#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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 7#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 99#L927true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 100#L935true main_#t~ret72 := valid_product_#res;main_~tmp~9 := main_#t~ret72;havoc main_#t~ret72; 101#L891true assume 0 != main_~tmp~9; 57#L865true havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 67#L146-1true [2019-11-20 02:18:00,958 INFO L796 eck$LassoCheckResult]: Loop: 67#L146-1true assume !false; 23#L384true assume test_~splverifierCounter~0 < 4; 93#L385true test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 94#L393true assume !(0 != test_~tmp~5); 95#L393-1true test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 25#L403true assume !(0 != test_~tmp___0~2); 29#L403-1true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 75#L413true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 83#L421-2true assume !(0 != ~pumpRunning~0); 84#L176true assume !(0 != ~systemActive~0); 33#L183true havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 43#L122true __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 69#L146true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 67#L146-1true [2019-11-20 02:18:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:18:00,965 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 02:18:00,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:18:00,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321743097] [2019-11-20 02:18:00,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:18:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:18:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:18:01,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2019-11-20 02:18:01,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:18:01,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629152693] [2019-11-20 02:18:01,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:18:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:18:01,497 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 02:18:01,498 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629152693] [2019-11-20 02:18:01,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:18:01,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 02:18:01,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370074152] [2019-11-20 02:18:01,509 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:18:01,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:18:01,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:18:01,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:18:01,530 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 3 states. [2019-11-20 02:18:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:18:01,602 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2019-11-20 02:18:01,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:18:01,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2019-11-20 02:18:01,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-20 02:18:01,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-11-20 02:18:01,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-11-20 02:18:01,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-11-20 02:18:01,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-11-20 02:18:01,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:18:01,621 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-20 02:18:01,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-11-20 02:18:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-20 02:18:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-20 02:18:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-11-20 02:18:01,660 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-20 02:18:01,660 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-20 02:18:01,660 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:18:01,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-11-20 02:18:01,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-20 02:18:01,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:18:01,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:18:01,664 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:18:01,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:18:01,665 INFO L794 eck$LassoCheckResult]: Stem: 280#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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 245#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 246#L927 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 306#L935 main_#t~ret72 := valid_product_#res;main_~tmp~9 := main_#t~ret72;havoc main_#t~ret72; 307#L891 assume 0 != main_~tmp~9; 304#L865 havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 227#L146-1 [2019-11-20 02:18:01,666 INFO L796 eck$LassoCheckResult]: Loop: 227#L146-1 assume !false; 228#L384 assume test_~splverifierCounter~0 < 4; 273#L385 test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 296#L393 assume !(0 != test_~tmp~5); 256#L393-1 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 276#L403 assume !(0 != test_~tmp___0~2); 277#L403-1 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 250#L413 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 251#L421-2 assume !(0 != ~pumpRunning~0); 268#L176 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 270#L234 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret12, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 215#L208-1 assume !(0 != ~pumpRunning~0); 217#L183 havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;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; 287#L122 __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 229#L146 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 227#L146-1 [2019-11-20 02:18:01,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:18:01,666 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 02:18:01,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:18:01,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986627673] [2019-11-20 02:18:01,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:18:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,821 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:18:01,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:18:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2019-11-20 02:18:01,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:18:01,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343036852] [2019-11-20 02:18:01,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:18:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,855 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:18:01,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:18:01,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2019-11-20 02:18:01,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:18:01,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444666726] [2019-11-20 02:18:01,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:18:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:18:02,009 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:18:24,638 WARN L191 SmtUtils]: Spent 22.48 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 02:18:39,361 WARN L191 SmtUtils]: Spent 14.72 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 02:18:39,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:18:39 BoogieIcfgContainer [2019-11-20 02:18:39,443 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:18:39,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:18:39,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:18:39,444 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:18:39,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:18:00" (3/4) ... [2019-11-20 02:18:39,448 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 02:18:39,523 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7f8f3b04-46fa-4453-9484-30dd2765927c/bin/uautomizer/witness.graphml [2019-11-20 02:18:39,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:18:39,525 INFO L168 Benchmark]: Toolchain (without parser) took 40413.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 951.6 MB in the beginning and 861.2 MB in the end (delta: 90.3 MB). Peak memory consumption was 414.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,525 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:18:39,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.86 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,531 INFO L168 Benchmark]: Boogie Preprocessor took 52.33 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 02:18:39,532 INFO L168 Benchmark]: RCFGBuilder took 830.42 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,541 INFO L168 Benchmark]: BuchiAutomizer took 38664.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 864.4 MB in the end (delta: 190.2 MB). Peak memory consumption was 380.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,541 INFO L168 Benchmark]: Witness Printer took 80.20 ms. Allocated memory is still 1.4 GB. Free memory was 864.4 MB in the beginning and 861.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:18:39,545 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 967.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.86 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.33 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 830.42 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: 62.8 MB). Peak memory consumption was 62.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38664.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 864.4 MB in the end (delta: 190.2 MB). Peak memory consumption was 380.7 MB. Max. memory is 11.5 GB. * Witness Printer took 80.20 ms. Allocated memory is still 1.4 GB. Free memory was 864.4 MB in the beginning and 861.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.2s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 SDslu, 0 SDs, 0 SdLazy, 3 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: 383]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2047} State at position 1 is {NULL=0, NULL=0, NULL=2064, NULL=2049, NULL=2047, NULL=2054, NULL=0, retValue_acc=0, NULL=2063, NULL=2065, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ee460d6=0, retValue_acc=1, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=2068, NULL=0, tmp___1=0, NULL=2067, NULL=2055, tmp___0=0, cleanupTimeShifts=4, NULL=2048, NULL=2062, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fe14c33=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67837163=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7174c75a=0, NULL=2052, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465698dd=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=2057, \result=1, NULL=2069, NULL=2061, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=2066, \result=0, NULL=2058, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8da5a3e=0, NULL=0, NULL=2071, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cc2fd3b=0, NULL=0, NULL=2060, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@199c96a=0, NULL=2059, tmp___2=54, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2056, NULL=2072, tmp=0, head=0, tmp=0, NULL=2053, tmp=1, NULL=2050, NULL=2051, NULL=0, NULL=2070, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1802873e=0} - 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; [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L609] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L806] int cleanupTimeShifts = 4; [L882] int retValue_acc ; [L883] int tmp ; [L931] int retValue_acc ; [L934] retValue_acc = 1 [L935] return (retValue_acc); [L889] tmp = valid_product() [L891] COND TRUE \read(tmp) [L374] int splverifierCounter ; [L375] int tmp ; [L376] int tmp___0 ; [L377] int tmp___1 ; [L378] int tmp___2 ; [L381] splverifierCounter = 0 Loop: [L383] COND TRUE 1 [L385] COND TRUE splverifierCounter < 4 [L391] tmp = __VERIFIER_nondet_int() [L393] COND FALSE !(\read(tmp)) [L401] tmp___0 = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp___0)) [L411] tmp___2 = __VERIFIER_nondet_int() [L413] COND TRUE \read(tmp___2) [L367] systemActive = 1 [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L205] int tmp ; [L208] COND FALSE !(\read(pumpRunning)) [L139] int tmp ; [L140] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L144] tmp = getWaterLevel() [L146] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...