./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt --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 68cd1f850011693bbaeee4c1a646df481d01e204 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 00:11:50,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:11:50,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:11:50,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:11:50,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:11:50,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:11:50,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:11:50,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:11:50,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:11:50,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:11:50,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:11:50,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:11:50,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:11:50,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:11:50,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:11:50,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:11:50,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:11:50,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:11:50,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:11:50,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:11:50,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:11:50,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:11:50,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:11:50,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:11:50,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:11:50,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:11:50,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:11:50,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:11:50,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:11:50,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:11:50,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:11:50,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:11:50,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:11:50,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:11:50,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:11:50,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:11:50,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:11:50,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:11:50,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:11:50,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:11:50,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:11:50,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:11:50,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:11:50,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:11:50,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:11:50,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:11:50,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:11:50,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:11:50,733 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:11:50,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:11:50,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:11:50,734 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:11:50,736 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:11:50,736 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:11:50,736 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:11:50,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:11:50,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:11:50,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:11:50,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:11:50,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:11:50,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:11:50,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:11:50,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:11:50,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:11:50,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:11:50,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:11:50,740 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:11:50,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:11:50,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:11:50,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:11:50,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:11:50,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:11:50,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:11:50,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:11:50,746 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:11:50,746 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_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd1f850011693bbaeee4c1a646df481d01e204 [2021-10-13 00:11:51,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:11:51,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:11:51,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:11:51,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:11:51,064 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:11:51,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-10-13 00:11:51,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/data/da5252f97/6e3fd7075d334ed1a67fe5a947d9bdc4/FLAGf40ac9cc4 [2021-10-13 00:11:51,709 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:11:51,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2021-10-13 00:11:51,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/data/da5252f97/6e3fd7075d334ed1a67fe5a947d9bdc4/FLAGf40ac9cc4 [2021-10-13 00:11:51,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/data/da5252f97/6e3fd7075d334ed1a67fe5a947d9bdc4 [2021-10-13 00:11:51,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:11:51,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:11:51,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:11:51,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:11:51,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:11:51,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:11:51" (1/1) ... [2021-10-13 00:11:51,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:51, skipping insertion in model container [2021-10-13 00:11:51,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:11:51" (1/1) ... [2021-10-13 00:11:52,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:11:52,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:11:52,508 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_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c[20512,20525] [2021-10-13 00:11:52,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:11:52,534 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:11:52,675 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_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c[20512,20525] [2021-10-13 00:11:52,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:11:52,712 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:11:52,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52 WrapperNode [2021-10-13 00:11:52,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:11:52,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:11:52,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:11:52,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:11:52,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:11:52,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:11:52,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:11:52,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:11:52,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:52,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:53,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:53,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:53,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:11:53,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:11:53,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:11:53,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:11:53,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (1/1) ... [2021-10-13 00:11:53,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:11:53,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:11:53,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:11:53,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:11:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:11:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:11:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:11:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:11:54,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:11:54,906 INFO L299 CfgBuilder]: Removed 902 assume(true) statements. [2021-10-13 00:11:54,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:11:54 BoogieIcfgContainer [2021-10-13 00:11:54,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:11:54,911 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:11:54,911 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:11:54,915 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:11:54,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:11:54,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:11:51" (1/3) ... [2021-10-13 00:11:54,918 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69170f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:11:54, skipping insertion in model container [2021-10-13 00:11:54,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:11:54,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:11:52" (2/3) ... [2021-10-13 00:11:54,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69170f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:11:54, skipping insertion in model container [2021-10-13 00:11:54,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:11:54,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:11:54" (3/3) ... [2021-10-13 00:11:54,921 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2021-10-13 00:11:54,997 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:11:54,998 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:11:54,998 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:11:54,998 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:11:54,998 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:11:54,999 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:11:54,999 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:11:54,999 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:11:55,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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) [2021-10-13 00:11:55,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2021-10-13 00:11:55,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:11:55,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:11:55,131 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:55,131 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:55,131 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:11:55,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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) [2021-10-13 00:11:55,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2021-10-13 00:11:55,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:11:55,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:11:55,148 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:55,148 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:55,154 INFO L791 eck$LassoCheckResult]: Stem: 459#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #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(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 397#L-1true havoc main_#res;havoc main_#t~ret40, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 196#L1126true havoc select_features_#t~ret83, select_features_#t~ret84, select_features_#t~ret85, select_features_#t~ret86, select_features_#t~ret87, select_features_#t~ret88;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 75#L1101true select_features_#t~ret83 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret83;havoc select_features_#t~ret83;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 398#L1101-1true select_features_#t~ret84 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret84;havoc select_features_#t~ret84;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 366#L1101-2true select_features_#t~ret85 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret85;havoc select_features_#t~ret85;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 219#L1101-3true select_features_#t~ret86 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret86;havoc select_features_#t~ret86;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 41#L1101-4true select_features_#t~ret87 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret87;havoc select_features_#t~ret87;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 70#L1101-5true select_features_#t~ret88 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret88;havoc select_features_#t~ret88; 14#L1118true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 73#L1134true main_#t~ret40 := valid_product_#res;main_~tmp~6 := main_#t~ret40;havoc main_#t~ret40; 311#L588true assume 0 != main_~tmp~6; 160#L559true ~methAndRunningLastTime~0 := 0; 419#L686true havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 244#L697-1true [2021-10-13 00:11:55,154 INFO L793 eck$LassoCheckResult]: Loop: 244#L697-1true assume !false; 31#L613true assume test_~splverifierCounter~0 < 4; 157#L614true test_~tmp~7 := test_#t~nondet41;havoc test_#t~nondet41; 445#L622true assume !(0 != test_~tmp~7); 263#L622-1true test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 384#L632true assume !(0 != test_~tmp___0~2); 252#L632-1true test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 38#L642true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet44;havoc test_#t~nondet44; 101#L654true assume !(0 != test_~tmp___1~0); 34#L654-1true assume !(0 != ~pumpRunning~0); 161#L176true assume !(0 != ~systemActive~0); 23#L183true havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 388#L101-10true __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 144#L697true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 244#L697-1true [2021-10-13 00:11:55,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:55,161 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2021-10-13 00:11:55,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:55,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645017894] [2021-10-13 00:11:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:55,442 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:11:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:55,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:11:55,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:55,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1972950414, now seen corresponding path program 1 times [2021-10-13 00:11:55,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:55,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903646080] [2021-10-13 00:11:55,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:55,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:55,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:11:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:55,657 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:11:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1460081283, now seen corresponding path program 1 times [2021-10-13 00:11:55,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:55,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858078469] [2021-10-13 00:11:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:55,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:11:55,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:11:55,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:11:55,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858078469] [2021-10-13 00:11:55,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858078469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:11:55,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:11:55,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:11:55,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120155543] [2021-10-13 00:11:56,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:11:56,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:11:56,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:11:56,115 INFO L87 Difference]: Start difference. First operand has 471 states, 470 states have (on average 1.5702127659574467) internal successors, (738), 470 states have internal predecessors, (738), 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 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 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) [2021-10-13 00:11:56,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:11:56,655 INFO L93 Difference]: Finished difference Result 1440 states and 2233 transitions. [2021-10-13 00:11:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:11:56,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1440 states and 2233 transitions. [2021-10-13 00:11:56,677 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 950 [2021-10-13 00:11:56,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1440 states to 1412 states and 2205 transitions. [2021-10-13 00:11:56,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1412 [2021-10-13 00:11:56,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1412 [2021-10-13 00:11:56,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1412 states and 2205 transitions. [2021-10-13 00:11:56,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:11:56,719 INFO L681 BuchiCegarLoop]: Abstraction has 1412 states and 2205 transitions. [2021-10-13 00:11:56,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states and 2205 transitions. [2021-10-13 00:11:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 510. [2021-10-13 00:11:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 510 states have (on average 1.5490196078431373) internal successors, (790), 509 states have internal predecessors, (790), 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) [2021-10-13 00:11:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 790 transitions. [2021-10-13 00:11:56,813 INFO L704 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2021-10-13 00:11:56,814 INFO L587 BuchiCegarLoop]: Abstraction has 510 states and 790 transitions. [2021-10-13 00:11:56,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:11:56,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 510 states and 790 transitions. [2021-10-13 00:11:56,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 340 [2021-10-13 00:11:56,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:11:56,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:11:56,822 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:56,822 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:11:56,823 INFO L791 eck$LassoCheckResult]: Stem: 2396#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(80, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(117, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(109, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(112, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(110, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(102, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 3 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(32, #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(10, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 2388#L-1 havoc main_#res;havoc main_#t~ret40, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2237#L1126 havoc select_features_#t~ret83, select_features_#t~ret84, select_features_#t~ret85, select_features_#t~ret86, select_features_#t~ret87, select_features_#t~ret88;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2064#L1101 select_features_#t~ret83 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret83;havoc select_features_#t~ret83;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2065#L1101-1 select_features_#t~ret84 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret84;havoc select_features_#t~ret84;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2378#L1101-2 select_features_#t~ret85 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret85;havoc select_features_#t~ret85;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2259#L1101-3 select_features_#t~ret86 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret86;havoc select_features_#t~ret86;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2007#L1101-4 select_features_#t~ret87 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret87;havoc select_features_#t~ret87;havoc select_one_#res;havoc select_one_#t~nondet82, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet82;havoc select_one_#t~nondet82;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 2008#L1101-5 select_features_#t~ret88 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret88;havoc select_features_#t~ret88; 1956#L1118 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 1957#L1134 main_#t~ret40 := valid_product_#res;main_~tmp~6 := main_#t~ret40;havoc main_#t~ret40; 2062#L588 assume 0 != main_~tmp~6; 2184#L559 ~methAndRunningLastTime~0 := 0; 2185#L686 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2148#L697-1 [2021-10-13 00:11:56,830 INFO L793 eck$LassoCheckResult]: Loop: 2148#L697-1 assume !false; 1987#L613 assume test_~splverifierCounter~0 < 4; 1988#L614 test_~tmp~7 := test_#t~nondet41;havoc test_#t~nondet41; 2180#L622 assume !(0 != test_~tmp~7); 2312#L622-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 2313#L632 assume !(0 != test_~tmp___0~2); 2084#L632-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 2002#L642 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet44;havoc test_#t~nondet44; 2003#L654 assume !(0 != test_~tmp___1~0); 1980#L654-1 assume !(0 != ~pumpRunning~0); 1994#L176 assume 0 != ~systemActive~0; 2186#L319 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2356#L276-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2204#L233-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1970#L183 havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1971#L101-10 __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 2160#L697 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 2148#L697-1 [2021-10-13 00:11:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:56,830 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2021-10-13 00:11:56,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:56,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170136726] [2021-10-13 00:11:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:56,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:56,922 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:11:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:57,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:11:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:57,074 INFO L82 PathProgramCache]: Analyzing trace with hash -414772239, now seen corresponding path program 1 times [2021-10-13 00:11:57,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:57,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101168744] [2021-10-13 00:11:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:57,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:57,084 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:11:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:57,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:11:57,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:11:57,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2100805214, now seen corresponding path program 1 times [2021-10-13 00:11:57,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:11:57,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929263543] [2021-10-13 00:11:57,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:11:57,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:11:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:57,167 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:11:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:11:57,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:13:09,898 WARN L207 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 557 DAG size of output: 499 [2021-10-13 00:14:16,675 WARN L207 SmtUtils]: Spent 31.63 s on a formula simplification that was a NOOP. DAG size: 446 [2021-10-13 00:14:16,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:14:16 BoogieIcfgContainer [2021-10-13 00:14:16,855 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:14:16,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:14:16,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:14:16,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:14:16,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:11:54" (3/4) ... [2021-10-13 00:14:16,859 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:14:16,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:14:16,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:14:16,936 INFO L168 Benchmark]: Toolchain (without parser) took 144945.43 ms. Allocated memory was 92.3 MB in the beginning and 163.6 MB in the end (delta: 71.3 MB). Free memory was 54.8 MB in the beginning and 100.3 MB in the end (delta: -45.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,937 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:16,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.25 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 56.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.90 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 45.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,938 INFO L168 Benchmark]: Boogie Preprocessor took 138.51 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 39.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,939 INFO L168 Benchmark]: RCFGBuilder took 1876.58 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 38.8 MB in the beginning and 51.5 MB in the end (delta: -12.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,939 INFO L168 Benchmark]: BuchiAutomizer took 141944.04 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 51.5 MB in the beginning and 103.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,940 INFO L168 Benchmark]: Witness Printer took 79.66 ms. Allocated memory is still 163.6 MB. Free memory was 103.4 MB in the beginning and 100.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:16,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 72.1 MB in the beginning and 72.0 MB in the end (delta: 39.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 721.25 ms. Allocated memory is still 92.3 MB. Free memory was 54.6 MB in the beginning and 56.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.90 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 45.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.51 ms. Allocated memory is still 92.3 MB. Free memory was 45.9 MB in the beginning and 39.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1876.58 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 38.8 MB in the beginning and 51.5 MB in the end (delta: -12.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 141944.04 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 51.5 MB in the beginning and 103.4 MB in the end (delta: -52.0 MB). Peak memory consumption was 66.1 MB. Max. memory is 16.1 GB. * Witness Printer took 79.66 ms. Allocated memory is still 163.6 MB. Free memory was 103.4 MB in the beginning and 100.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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 7 locations. The remainder module has 510 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 141.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 140.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 79.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 902 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 510 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 733 SDtfs, 4991 SDslu, 5248 SDs, 0 SdLazy, 66 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 321.6ms 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: 612]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=53484, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@401a158a=0, NULL=53470, retValue_acc=1, methaneLevelCritical=0, NULL=0, NULL=53480, tmp=0, NULL=53488, NULL=0, NULL=53469, tmp___1=0, NULL=53475, NULL=0, cleanupTimeShifts=4, NULL=53476, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7996529=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f966389=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12ee8fb7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@728f3f8a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f9481c1=0, waterLevel=1, __SELECTED_FEATURE_methaneAlarm=0, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@173e3a61=0, head=0, pumpRunning=0, NULL=53489, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=53468, NULL=0, NULL=0, __SELECTED_FEATURE_stopCommand=0, tmp___0=0, NULL=0, methAndRunningLastTime=0, NULL=53472, head=0, NULL=31436, NULL=0, NULL=0, retValue_acc=46, choice=46, retValue_acc=0, \result=46, __SELECTED_FEATURE_base=1, retValue_acc=0, NULL=53478, NULL=31438, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, NULL=53482, NULL=0, NULL=0, NULL=0, NULL=0, NULL=53474, NULL=53473, NULL=0, NULL=0, NULL=0, NULL=53467, systemActive=1, NULL=0, NULL=53487, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d22582b=0, NULL=0, __SELECTED_FEATURE_lowWaterSensor=0, NULL=53479, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a7cbcf4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38029102=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c6db368=0, NULL=31437, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@caa5770=0, __SELECTED_FEATURE_highWaterSensor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26969a3b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@731de1de=0, NULL=53486, NULL=53466, NULL=53481, __SELECTED_FEATURE_methaneQuery=0, NULL=53477, tmp___0=0, tmp___2=0, splverifierCounter=0, NULL=0, \result=0, NULL=53483, NULL=53471, __SELECTED_FEATURE_startCommand=46, NULL=53485, NULL=53465, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int __SELECTED_FEATURE_base ; [L43] int __SELECTED_FEATURE_highWaterSensor ; [L44] int __SELECTED_FEATURE_lowWaterSensor ; [L45] int __SELECTED_FEATURE_methaneQuery ; [L46] int __SELECTED_FEATURE_methaneAlarm ; [L47] int __SELECTED_FEATURE_stopCommand ; [L48] int __SELECTED_FEATURE_startCommand ; [L49] int __GUIDSL_ROOT_PRODUCTION ; [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L168] int pumpRunning = 0; [L169] int systemActive = 1; [L500] int cleanupTimeShifts = 4; [L680] int methAndRunningLastTime ; [L888] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int retValue_acc ; [L580] int tmp ; [L1125] __GUIDSL_ROOT_PRODUCTION = 1 [L1110] __SELECTED_FEATURE_base = 1 [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1111] __SELECTED_FEATURE_highWaterSensor = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1112] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1113] __SELECTED_FEATURE_methaneQuery = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1114] __SELECTED_FEATURE_methaneAlarm = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1115] __SELECTED_FEATURE_stopCommand = select_one() [L1096] int retValue_acc ; [L1097] int choice = __VERIFIER_nondet_int(); [L1100] retValue_acc = choice [L1101] return (retValue_acc); [L1116] __SELECTED_FEATURE_startCommand = select_one() [L1130] int retValue_acc ; [L1133] retValue_acc = __SELECTED_FEATURE_base [L1134] return (retValue_acc); [L586] tmp = valid_product() [L588] COND TRUE \read(tmp) [L685] methAndRunningLastTime = 0 [L603] int splverifierCounter ; [L604] int tmp ; [L605] int tmp___0 ; [L606] int tmp___1 ; [L607] int tmp___2 ; [L610] splverifierCounter = 0 Loop: [L612] COND TRUE 1 [L614] COND TRUE splverifierCounter < 4 [L620] tmp = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp)) [L630] tmp___0 = __VERIFIER_nondet_int() [L632] COND FALSE !(\read(tmp___0)) [L640] tmp___2 = __VERIFIER_nondet_int() [L642] COND FALSE !(\read(tmp___2)) [L652] tmp___1 = __VERIFIER_nondet_int() [L654] COND FALSE !(\read(tmp___1)) [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L319] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L276] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L233] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L690] int tmp ; [L691] int tmp___0 ; [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L695] tmp = isMethaneLevelCritical() [L697] COND FALSE !(\read(tmp)) [L713] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:14:17,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3cdfc11-28d4-4ad2-bd45-b2fe2bfb1774/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...