./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:35:05,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:35:05,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:35:05,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:35:05,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:35:05,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:35:05,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:35:05,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:35:05,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:35:05,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:35:05,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:35:05,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:35:05,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:35:05,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:35:05,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:35:05,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:35:05,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:35:05,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:35:05,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:35:05,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:35:05,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:35:05,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:35:05,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:35:05,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:35:05,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:35:05,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:35:05,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:35:05,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:35:05,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:35:05,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:35:05,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:35:05,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:35:05,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:35:05,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:35:05,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:35:05,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:35:05,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:35:05,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:35:05,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:35:05,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:35:05,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:35:05,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-16 00:35:05,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:35:05,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:35:05,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:35:05,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:35:05,843 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:35:05,843 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:35:05,843 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:35:05,844 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:35:05,844 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:35:05,844 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:35:05,844 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:35:05,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:35:05,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:35:05,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:35:05,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:35:05,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:35:05,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:35:05,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:35:05,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:35:05,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:35:05,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:35:05,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:35:05,848 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:35:05,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:35:05,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:35:05,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:35:05,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:35:05,850 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:35:05,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:35:05,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:35:05,851 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:35:05,852 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:35:05,852 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_027cbc06-0a07-4ab3-8d99-257f4e7f6482/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2019-11-16 00:35:05,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:35:05,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:35:05,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:35:05,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:35:05,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:35:05,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-16 00:35:05,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/data/16df852c2/6d60a4c79c6a43bab312ad84b1a02747/FLAGe41f375c0 [2019-11-16 00:35:06,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:35:06,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2019-11-16 00:35:06,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/data/16df852c2/6d60a4c79c6a43bab312ad84b1a02747/FLAGe41f375c0 [2019-11-16 00:35:06,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/data/16df852c2/6d60a4c79c6a43bab312ad84b1a02747 [2019-11-16 00:35:06,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:35:06,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:35:06,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:35:06,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:35:06,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:35:06,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:06" (1/1) ... [2019-11-16 00:35:06,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302142f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:06, skipping insertion in model container [2019-11-16 00:35:06,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:06" (1/1) ... [2019-11-16 00:35:06,769 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:35:06,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:35:07,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:35:07,246 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:35:07,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:35:07,476 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:35:07,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07 WrapperNode [2019-11-16 00:35:07,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:35:07,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:35:07,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:35:07,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:35:07,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:35:07,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:35:07,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:35:07,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:35:07,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... [2019-11-16 00:35:07,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:35:07,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:35:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:35:07,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:35:07,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:35:07,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-16 00:35:07,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:35:07,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:35:08,692 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:35:08,692 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-16 00:35:08,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:08 BoogieIcfgContainer [2019-11-16 00:35:08,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:35:08,695 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:35:08,695 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:35:08,703 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:35:08,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:35:08,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:35:06" (1/3) ... [2019-11-16 00:35:08,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cefb2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:08, skipping insertion in model container [2019-11-16 00:35:08,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:35:08,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:07" (2/3) ... [2019-11-16 00:35:08,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cefb2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:35:08, skipping insertion in model container [2019-11-16 00:35:08,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:35:08,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:08" (3/3) ... [2019-11-16 00:35:08,712 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2019-11-16 00:35:08,778 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:35:08,779 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:35:08,779 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:35:08,780 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:35:08,780 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:35:08,780 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:35:08,780 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:35:08,781 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:35:08,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2019-11-16 00:35:08,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-16 00:35:08,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:35:08,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:35:08,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:08,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:08,863 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:35:08,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2019-11-16 00:35:08,880 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-16 00:35:08,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:35:08,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:35:08,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:08,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:08,899 INFO L791 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 18#L-1true havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 83#L719true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 7#L727true main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 52#L824true assume 0 != main_~tmp~7; 12#L800true ~methAndRunningLastTime~0 := 0; 15#L661true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 17#L672-1true [2019-11-16 00:35:08,901 INFO L793 eck$LassoCheckResult]: Loop: 17#L672-1true assume !false; 68#L598true assume test_~splverifierCounter~0 < 4; 8#L599true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 37#L607true assume !(0 != test_~tmp~5); 19#L607-1true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 72#L617true assume !(0 != test_~tmp___0~1); 75#L617-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 58#L627true assume 0 != test_~tmp___2~0; 32#L633-1true assume !(0 != ~pumpRunning~0); 20#L424true assume !(0 != ~systemActive~0); 28#L431true havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 43#L882true __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 13#L672true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 17#L672-1true [2019-11-16 00:35:08,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-16 00:35:08,918 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:08,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945673331] [2019-11-16 00:35:08,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:08,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:08,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:10,057 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash 11341907, now seen corresponding path program 1 times [2019-11-16 00:35:10,060 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236319252] [2019-11-16 00:35:10,060 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,061 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:10,100 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,103 INFO L82 PathProgramCache]: Analyzing trace with hash 844638413, now seen corresponding path program 1 times [2019-11-16 00:35:10,104 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,104 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657583079] [2019-11-16 00:35:10,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:10,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657583079] [2019-11-16 00:35:10,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:10,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:35:10,308 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613473725] [2019-11-16 00:35:10,443 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:10,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:35:10,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:35:10,466 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2019-11-16 00:35:10,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:10,707 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2019-11-16 00:35:10,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:35:10,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 295 transitions. [2019-11-16 00:35:10,718 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2019-11-16 00:35:10,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 187 states and 274 transitions. [2019-11-16 00:35:10,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2019-11-16 00:35:10,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 187 [2019-11-16 00:35:10,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 274 transitions. [2019-11-16 00:35:10,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:35:10,733 INFO L688 BuchiCegarLoop]: Abstraction has 187 states and 274 transitions. [2019-11-16 00:35:10,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 274 transitions. [2019-11-16 00:35:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 118. [2019-11-16 00:35:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-11-16 00:35:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2019-11-16 00:35:10,801 INFO L711 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2019-11-16 00:35:10,802 INFO L591 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2019-11-16 00:35:10,802 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:35:10,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 172 transitions. [2019-11-16 00:35:10,808 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2019-11-16 00:35:10,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:35:10,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:35:10,809 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:10,810 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:10,810 INFO L791 eck$LassoCheckResult]: Stem: 359#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 333#L-1 havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 334#L719 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 317#L727 main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 318#L824 assume 0 != main_~tmp~7; 327#L800 ~methAndRunningLastTime~0 := 0; 328#L661 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 308#L672-1 [2019-11-16 00:35:10,810 INFO L793 eck$LassoCheckResult]: Loop: 308#L672-1 assume !false; 332#L598 assume test_~splverifierCounter~0 < 4; 319#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 320#L607 assume !(0 != test_~tmp~5); 335#L607-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 336#L617 assume !(0 != test_~tmp___0~1); 381#L617-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 370#L627 assume 0 != test_~tmp___2~0; 353#L633-1 assume !(0 != ~pumpRunning~0); 337#L424 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 338#L456 assume !(0 == ~pumpRunning~0); 322#L431 havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 348#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 329#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 308#L672-1 [2019-11-16 00:35:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-16 00:35:10,812 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534836240] [2019-11-16 00:35:10,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,270 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:11,271 INFO L82 PathProgramCache]: Analyzing trace with hash 319988417, now seen corresponding path program 1 times [2019-11-16 00:35:11,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:11,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411824218] [2019-11-16 00:35:11,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:11,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411824218] [2019-11-16 00:35:11,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:11,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:35:11,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277957026] [2019-11-16 00:35:11,301 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-16 00:35:11,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:11,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:35:11,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:35:11,302 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-11-16 00:35:11,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:11,416 INFO L93 Difference]: Finished difference Result 160 states and 221 transitions. [2019-11-16 00:35:11,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:35:11,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 221 transitions. [2019-11-16 00:35:11,420 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-16 00:35:11,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 221 transitions. [2019-11-16 00:35:11,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2019-11-16 00:35:11,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2019-11-16 00:35:11,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 221 transitions. [2019-11-16 00:35:11,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:35:11,426 INFO L688 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2019-11-16 00:35:11,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 221 transitions. [2019-11-16 00:35:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-11-16 00:35:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-16 00:35:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2019-11-16 00:35:11,438 INFO L711 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2019-11-16 00:35:11,438 INFO L591 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2019-11-16 00:35:11,438 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-16 00:35:11,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 221 transitions. [2019-11-16 00:35:11,442 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-16 00:35:11,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:35:11,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:35:11,444 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:11,444 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:35:11,445 INFO L791 eck$LassoCheckResult]: Stem: 652#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 622#L-1 havoc main_#res;havoc main_#t~ret61, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 623#L719 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 603#L727 main_#t~ret61 := valid_product_#res;main_~tmp~7 := main_#t~ret61;havoc main_#t~ret61; 604#L824 assume 0 != main_~tmp~7; 614#L800 ~methAndRunningLastTime~0 := 0; 615#L661 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 592#L672-1 [2019-11-16 00:35:11,445 INFO L793 eck$LassoCheckResult]: Loop: 592#L672-1 assume !false; 621#L598 assume test_~splverifierCounter~0 < 4; 601#L599 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 602#L607 assume !(0 != test_~tmp~5); 624#L607-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 625#L617 assume !(0 != test_~tmp___0~1); 676#L617-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 664#L627 assume 0 != test_~tmp___2~0; 641#L633-1 assume !(0 != ~pumpRunning~0); 646#L424 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 679#L456 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 660#L922 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 661#L927 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 671#L558 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 672#L558-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 651#L564 processEnvironment_#t~ret35 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 605#L460 assume !(0 != processEnvironment_~tmp~3); 607#L431 havoc __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_#t~ret59, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 638#L882 __utac_acc__Specification2_spec__2_#t~ret58 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret58;havoc __utac_acc__Specification2_spec__2_#t~ret58; 616#L672 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 592#L672-1 [2019-11-16 00:35:11,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:11,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-16 00:35:11,446 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:11,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625102601] [2019-11-16 00:35:11,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,447 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,823 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:11,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:11,824 INFO L82 PathProgramCache]: Analyzing trace with hash 333532013, now seen corresponding path program 1 times [2019-11-16 00:35:11,824 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:11,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121442165] [2019-11-16 00:35:11,825 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,825 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:11,839 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:11,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1499108787, now seen corresponding path program 1 times [2019-11-16 00:35:11,846 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:11,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267142219] [2019-11-16 00:35:11,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:11,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:35:12,220 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:35:12,434 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-16 00:35:45,335 WARN L191 SmtUtils]: Spent 32.79 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-11-16 00:36:01,211 WARN L191 SmtUtils]: Spent 15.86 s on a formula simplification that was a NOOP. DAG size: 451 [2019-11-16 00:36:01,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:36:01 BoogieIcfgContainer [2019-11-16 00:36:01,308 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:36:01,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:36:01,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:36:01,309 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:36:01,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:08" (3/4) ... [2019-11-16 00:36:01,315 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-16 00:36:01,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_027cbc06-0a07-4ab3-8d99-257f4e7f6482/bin/uautomizer/witness.graphml [2019-11-16 00:36:01,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:36:01,396 INFO L168 Benchmark]: Toolchain (without parser) took 54643.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 935.6 MB in the beginning and 845.8 MB in the end (delta: 89.9 MB). Peak memory consumption was 409.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,396 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:36:01,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.95 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,399 INFO L168 Benchmark]: Boogie Preprocessor took 44.65 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. [2019-11-16 00:36:01,399 INFO L168 Benchmark]: RCFGBuilder took 1065.12 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,400 INFO L168 Benchmark]: BuchiAutomizer took 52613.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 203.3 MB). Peak memory consumption was 411.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,401 INFO L168 Benchmark]: Witness Printer took 85.08 ms. Allocated memory is still 1.3 GB. Free memory was 849.0 MB in the beginning and 845.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:36:01,405 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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 726.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.95 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.65 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 1065.12 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52613.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.1 GB in the beginning and 849.0 MB in the end (delta: 203.3 MB). Peak memory consumption was 411.0 MB. Max. memory is 11.5 GB. * Witness Printer took 85.08 ms. Allocated memory is still 1.3 GB. Free memory was 849.0 MB in the beginning and 845.8 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 160 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 51.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 69 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 160 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 232 SDtfs, 510 SDslu, 638 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 597]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=-4, NULL=0, NULL=-24, NULL=0, NULL=-14, NULL=-12, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2597494c=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46a37814=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55999036=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=-15, NULL=-22, NULL=-19, NULL=-20, cleanupTimeShifts=4, NULL=-1, NULL=-9, NULL=-13, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=-5, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=-11, NULL=0, NULL=0, \result=1, NULL=-18, head=0, pumpRunning=0, \result=0, NULL=-8, NULL=-17, NULL=0, tmp=1, NULL=0, \result=1, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@263163b4=0, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@affda2f=0, retValue_acc=1, NULL=-3, NULL=0, tmp=1, tmp___2=64, retValue_acc=1, NULL=-2, tmp___0=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dda691d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d519c51=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18bd4cc2=0, tmp=0, head=0, NULL=0, NULL=-6, NULL=-25, NULL=0, NULL=-7, NULL=0, NULL=0, NULL=-21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2476da09=0, NULL=0, NULL=-10, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) [L660] methAndRunningLastTime = 0 [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 Loop: [L597] COND TRUE 1 [L599] COND TRUE splverifierCounter < 4 [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) [L424] COND FALSE !(\read(pumpRunning)) [L431] COND TRUE \read(systemActive) [L453] int tmp ; [L456] COND TRUE ! pumpRunning [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; [L919] int retValue_acc ; [L922] COND TRUE waterLevel < 2 [L923] retValue_acc = 1 [L924] return (retValue_acc); [L556] tmp = isHighWaterSensorDry() [L558] COND TRUE \read(tmp) [L559] tmp___0 = 0 [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); [L458] tmp = isHighWaterLevel() [L460] COND FALSE !(\read(tmp)) [L665] int tmp ; [L666] int tmp___0 ; [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); [L670] tmp = isMethaneLevelCritical() [L672] COND FALSE !(\read(tmp)) [L688] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...