./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD --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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-28 23:20:31,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:31,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:31,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:31,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:31,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:31,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:31,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:31,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:31,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:31,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:31,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:31,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:31,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:31,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:31,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:31,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:31,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:31,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:31,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:31,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:31,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:31,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:31,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:31,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:31,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:31,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:31,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:31,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:31,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:31,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:31,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:31,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:31,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:31,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:31,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:31,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:31,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:31,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:31,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:31,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:20:31,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:31,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:31,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:31,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:31,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:31,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:31,911 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:31,911 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:20:31,912 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:20:31,912 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:20:31,913 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:20:31,914 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:20:31,914 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:20:31,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:31,914 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:20:31,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:20:31,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:20:31,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:20:31,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:31,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:20:31,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:20:31,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:20:31,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:20:31,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:31,917 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:20:31,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:31,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:20:31,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:31,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:31,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:31,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:20:31,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:31,923 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:20:31,923 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2021-10-28 23:20:32,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:32,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:32,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:32,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:32,371 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:32,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2021-10-28 23:20:32,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/data/b168e5b15/cd0e3a0866574f428b6212fa72bd7864/FLAGb0bc48cf9 [2021-10-28 23:20:33,187 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:33,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2021-10-28 23:20:33,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/data/b168e5b15/cd0e3a0866574f428b6212fa72bd7864/FLAGb0bc48cf9 [2021-10-28 23:20:33,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/data/b168e5b15/cd0e3a0866574f428b6212fa72bd7864 [2021-10-28 23:20:33,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:33,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:33,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:33,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:33,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:33,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:33" (1/1) ... [2021-10-28 23:20:33,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab0d3d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:33, skipping insertion in model container [2021-10-28 23:20:33,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:33" (1/1) ... [2021-10-28 23:20:33,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:33,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:33,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2021-10-28 23:20:33,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:33,891 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:20:33,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2021-10-28 23:20:34,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:34,033 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:20:34,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34 WrapperNode [2021-10-28 23:20:34,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:34,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:34,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:20:34,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:20:34,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:34,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:20:34,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:20:34,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:20:34,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:20:34,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:20:34,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:20:34,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:20:34,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (1/1) ... [2021-10-28 23:20:34,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:34,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:34,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:20:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:20:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:20:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:20:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:20:35,276 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:20:35,277 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-10-28 23:20:35,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:35 BoogieIcfgContainer [2021-10-28 23:20:35,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:20:35,281 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:20:35,281 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:20:35,285 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:20:35,286 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:35,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:20:33" (1/3) ... [2021-10-28 23:20:35,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2346cd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:20:35, skipping insertion in model container [2021-10-28 23:20:35,288 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:35,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:34" (2/3) ... [2021-10-28 23:20:35,289 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2346cd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:20:35, skipping insertion in model container [2021-10-28 23:20:35,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:20:35,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:35" (3/3) ... [2021-10-28 23:20:35,318 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2021-10-28 23:20:35,387 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:20:35,388 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:20:35,388 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:20:35,388 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:20:35,389 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:20:35,389 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:20:35,389 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:20:35,389 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:20:35,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:35,437 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 23:20:35,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:35,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:35,447 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:35,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:35,448 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:20:35,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:35,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 23:20:35,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:35,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:35,456 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:35,457 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:35,463 INFO L791 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.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(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 41#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 57#L911true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 22#L919true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 46#L509true assume 0 != main_~tmp~3; 63#L482true ~switchedOnBeforeTS~0 := 0; 37#L59true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L80-1true [2021-10-28 23:20:35,464 INFO L793 eck$LassoCheckResult]: Loop: 49#L80-1true assume !false; 27#L356true assume test_~splverifierCounter~0 < 4; 58#L357true test_~tmp~2 := test_#t~nondet38;havoc test_#t~nondet38; 53#L365true assume !(0 != test_~tmp~2); 9#L365-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 14#L375true assume !(0 != test_~tmp___0~1); 21#L375-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 17#L385true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 62#L393-1true havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 6#L198true __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 19#L69true assume !(0 != ~pumpRunning~0); 31#L121true assume 0 != ~systemActive~0; 56#L128true havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 64#L339true __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 12#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 49#L80-1true [2021-10-28 23:20:35,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 23:20:35,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:35,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170124118] [2021-10-28 23:20:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:35,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:35,747 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:35,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash 674243929, now seen corresponding path program 1 times [2021-10-28 23:20:35,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:35,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591886708] [2021-10-28 23:20:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:35,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:35,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:36,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1686698157, now seen corresponding path program 1 times [2021-10-28 23:20:36,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:36,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82199238] [2021-10-28 23:20:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:36,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:36,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:36,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82199238] [2021-10-28 23:20:36,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82199238] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:36,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:36,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:36,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604084540] [2021-10-28 23:20:36,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:36,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:36,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:36,515 INFO L87 Difference]: Start difference. First operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:36,660 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2021-10-28 23:20:36,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:20:36,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2021-10-28 23:20:36,671 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-10-28 23:20:36,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2021-10-28 23:20:36,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2021-10-28 23:20:36,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2021-10-28 23:20:36,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2021-10-28 23:20:36,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:20:36,683 INFO L681 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2021-10-28 23:20:36,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2021-10-28 23:20:36,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2021-10-28 23:20:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 108 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2021-10-28 23:20:36,723 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-10-28 23:20:36,723 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-10-28 23:20:36,723 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:20:36,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2021-10-28 23:20:36,726 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-10-28 23:20:36,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:20:36,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:20:36,728 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:36,728 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:36,728 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.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(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 308#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 309#L911 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 278#L919 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 279#L509 assume 0 != main_~tmp~3; 314#L482 ~switchedOnBeforeTS~0 := 0; 303#L59 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 304#L80-1 [2021-10-28 23:20:36,729 INFO L793 eck$LassoCheckResult]: Loop: 304#L80-1 assume !false; 287#L356 assume test_~splverifierCounter~0 < 4; 288#L357 test_~tmp~2 := test_#t~nondet38;havoc test_#t~nondet38; 319#L365 assume !(0 != test_~tmp~2); 260#L365-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 261#L375 assume !(0 != test_~tmp___0~1); 271#L375-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 356#L385 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 354#L393-1 havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 353#L198 __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 352#L69 assume !(0 != ~pumpRunning~0); 351#L121 assume 0 != ~systemActive~0; 324#L128 havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 325#L339 __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 266#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 267#L198-1 __utac_acc__Specification5_spec__3_#t~ret9 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 289#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 304#L80-1 [2021-10-28 23:20:36,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 23:20:36,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:36,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276077328] [2021-10-28 23:20:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:36,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:36,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash -591660588, now seen corresponding path program 1 times [2021-10-28 23:20:36,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:36,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710948759] [2021-10-28 23:20:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:36,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,855 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:20:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1714272946, now seen corresponding path program 1 times [2021-10-28 23:20:36,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:36,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687531155] [2021-10-28 23:20:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:36,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,908 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:20:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:20:36,981 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:21:47,919 WARN L207 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:23:04,997 WARN L207 SmtUtils]: Spent 39.03 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:23:05,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:23:05 BoogieIcfgContainer [2021-10-28 23:23:05,127 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:23:05,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:23:05,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:23:05,128 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:23:05,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:35" (3/4) ... [2021-10-28 23:23:05,133 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:23:05,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:23:05,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:23:05,214 INFO L168 Benchmark]: Toolchain (without parser) took 151833.46 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 83.5 MB in the beginning and 89.3 MB in the end (delta: -5.9 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,215 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 125.8 MB. Free memory is still 101.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:23:05,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.43 ms. Allocated memory is still 125.8 MB. Free memory was 83.3 MB in the beginning and 89.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.08 ms. Allocated memory is still 125.8 MB. Free memory was 89.2 MB in the beginning and 86.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,218 INFO L168 Benchmark]: Boogie Preprocessor took 70.67 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 84.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,219 INFO L168 Benchmark]: RCFGBuilder took 1069.91 ms. Allocated memory is still 125.8 MB. Free memory was 84.6 MB in the beginning and 48.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,220 INFO L168 Benchmark]: BuchiAutomizer took 149846.60 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 48.4 MB in the beginning and 92.5 MB in the end (delta: -44.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,221 INFO L168 Benchmark]: Witness Printer took 84.61 ms. Allocated memory is still 192.9 MB. Free memory was 92.5 MB in the beginning and 89.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:05,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 125.8 MB. Free memory is still 101.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 652.43 ms. Allocated memory is still 125.8 MB. Free memory was 83.3 MB in the beginning and 89.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.08 ms. Allocated memory is still 125.8 MB. Free memory was 89.2 MB in the beginning and 86.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.67 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 84.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1069.91 ms. Allocated memory is still 125.8 MB. Free memory was 84.6 MB in the beginning and 48.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 149846.60 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 48.4 MB in the beginning and 92.5 MB in the end (delta: -44.1 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. * Witness Printer took 84.61 ms. Allocated memory is still 192.9 MB. Free memory was 92.5 MB in the beginning and 89.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 149.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 149.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 355]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5380} State at position 1 is {NULL=5385, NULL=0, NULL=0, NULL=0, NULL=0, NULL=5380, retValue_acc=0, NULL=5390, NULL=0, NULL=5398, NULL=5392, NULL=5397, methaneLevelCritical=0, NULL=5400, tmp=0, NULL=0, NULL=5404, NULL=0, tmp___1=0, NULL=5403, tmp=1, NULL=5408, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5e3824=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=5406, NULL=5401, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fdcaff1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d915d1=0, \result=0, NULL=5384, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a284808=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@708ef3a6=86, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60badc29=0, retValue_acc=1, NULL=5381, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=5387, tmp=1, NULL=5391, NULL=0, NULL=5395, NULL=0, NULL=0, NULL=0, NULL=0, NULL=5402, NULL=0, retValue_acc=1, NULL=5399, NULL=0, NULL=0, NULL=5389, NULL=0, NULL=0, NULL=5407, tmp___2=86, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=5393, NULL=5383, NULL=5394, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a512bd2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d8c542d=0, head=0, retValue_acc=0, NULL=5386, NULL=5405, NULL=0, NULL=0, NULL=0, NULL=5388, NULL=5382, NULL=5396} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L111] int pumpRunning = 0; [L112] int systemActive = 1; [L264] int waterLevel = 1; [L265] int methaneLevelCritical = 0; [L423] int cleanupTimeShifts = 4; [L692] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int retValue_acc ; [L501] int tmp ; [L915] int retValue_acc ; [L918] retValue_acc = 1 [L919] return (retValue_acc); [L507] tmp = valid_product() [L509] COND TRUE \read(tmp) [L58] switchedOnBeforeTS = 0 [L346] int splverifierCounter ; [L347] int tmp ; [L348] int tmp___0 ; [L349] int tmp___1 ; [L350] int tmp___2 ; [L353] splverifierCounter = 0 Loop: [L355] COND TRUE 1 [L357] COND TRUE splverifierCounter < 4 [L363] tmp = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp)) [L373] tmp___0 = __VERIFIER_nondet_int() [L375] COND FALSE !(\read(tmp___0)) [L383] tmp___2 = __VERIFIER_nondet_int() [L385] COND TRUE \read(tmp___2) [L257] systemActive = 1 [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L67] switchedOnBeforeTS = isPumpRunning() [L121] COND FALSE !(\read(pumpRunning)) [L128] COND TRUE \read(systemActive) [L73] int tmp ; [L74] int tmp___0 ; [L335] int retValue_acc ; [L338] retValue_acc = waterLevel [L339] return (retValue_acc); [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L194] int retValue_acc ; [L197] retValue_acc = pumpRunning [L198] return (retValue_acc); [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:23:05,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99b2e220-6536-4526-abce-c248255c4819/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...