./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/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 6775cf40df2c7fe85c2d16019d10d145a8673615 ......................................................................................................................................................................................................................................................................................................................................................................................... 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 00:00:44,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:00:44,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:00:44,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:00:44,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:00:44,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:00:44,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:00:44,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:00:44,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:00:44,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:00:44,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:00:44,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:00:44,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:00:44,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:00:44,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:00:44,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:00:44,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:00:44,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:00:44,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:00:44,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:00:44,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:00:44,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:00:44,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:00:44,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:00:44,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:00:44,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:00:44,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:00:44,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:00:44,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:00:44,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:00:44,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:00:44,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:00:44,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:00:44,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:00:44,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:00:44,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:00:44,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:00:44,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:00:44,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:00:44,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:00:44,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:00:44,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:00:44,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:00:44,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:00:44,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:00:44,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:00:44,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:00:44,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:00:44,249 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:00:44,250 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:00:44,250 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:00:44,250 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:00:44,251 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:00:44,252 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:00:44,252 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:00:44,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:00:44,252 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:00:44,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:00:44,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:00:44,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:00:44,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:00:44,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:00:44,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:00:44,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:00:44,254 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:00:44,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:00:44,254 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:00:44,255 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:00:44,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:00:44,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:00:44,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:00:44,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:00:44,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:00:44,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:00:44,259 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:00:44,259 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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2021-10-13 00:00:44,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:00:44,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:00:44,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:00:44,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:00:44,588 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:00:44,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-13 00:00:44,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/data/63056cce5/f4b0652e98c34c55a07297f4e68e03e2/FLAGc5f4f49d7 [2021-10-13 00:00:45,228 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:00:45,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-13 00:00:45,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/data/63056cce5/f4b0652e98c34c55a07297f4e68e03e2/FLAGc5f4f49d7 [2021-10-13 00:00:45,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/data/63056cce5/f4b0652e98c34c55a07297f4e68e03e2 [2021-10-13 00:00:45,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:00:45,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:00:45,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:45,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:00:45,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:00:45,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:45" (1/1) ... [2021-10-13 00:00:45,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b35ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:45, skipping insertion in model container [2021-10-13 00:00:45,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:45" (1/1) ... [2021-10-13 00:00:45,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:00:45,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:00:45,917 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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-13 00:00:45,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:45,929 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:00:46,000 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_f3d2efba-85c9-4ea4-a50b-b866349b5bee/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-13 00:00:46,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:46,022 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:00:46,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46 WrapperNode [2021-10-13 00:00:46,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:46,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:46,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:00:46,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:00:46,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:46,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:46,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:46,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:46,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:46,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:46,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:46,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:46,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (1/1) ... [2021-10-13 00:00:46,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:46,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:46,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:46,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:00:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:00:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:47,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:47,226 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 00:00:47,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:47 BoogieIcfgContainer [2021-10-13 00:00:47,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:47,231 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:00:47,232 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:00:47,235 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:00:47,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:47,237 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:00:45" (1/3) ... [2021-10-13 00:00:47,239 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a3ffbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:47, skipping insertion in model container [2021-10-13 00:00:47,239 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:47,240 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:46" (2/3) ... [2021-10-13 00:00:47,240 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19a3ffbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:47, skipping insertion in model container [2021-10-13 00:00:47,240 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:47,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:47" (3/3) ... [2021-10-13 00:00:47,242 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-10-13 00:00:47,303 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:00:47,303 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:00:47,303 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:00:47,304 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:00:47,304 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:00:47,304 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:00:47,304 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:00:47,304 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:00:47,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 00:00:47,373 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 00:00:47,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:47,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:47,383 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:00:47,383 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:47,384 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:00:47,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 00:00:47,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 00:00:47,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:47,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:47,409 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:00:47,410 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:47,423 INFO L791 eck$LassoCheckResult]: Stem: 100#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 33#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 86#L824true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 5#L832true main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 72#L919true assume 0 != main_~tmp~8; 11#L896true havoc test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L781-1true [2021-10-13 00:00:47,424 INFO L793 eck$LassoCheckResult]: Loop: 13#L781-1true assume !false; 9#L518true assume test_~splverifierCounter~0 < 4; 73#L519true test_~tmp~3 := test_#t~nondet52;havoc test_#t~nondet52; 80#L527true assume !(0 != test_~tmp~3); 90#L527-1true test_~tmp___0~0 := test_#t~nondet53;havoc test_#t~nondet53; 69#L537true assume !(0 != test_~tmp___0~0); 78#L537-1true test_~tmp___2~0 := test_#t~nondet54;havoc test_#t~nondet54; 28#L547true assume 0 != test_~tmp___2~0; 79#L553-1true assume !(0 != ~pumpRunning~0); 88#L586true assume !(0 != ~systemActive~0); 60#L593true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 104#L458-1true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 83#L781true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 13#L781-1true [2021-10-13 00:00:47,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:47,430 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 00:00:47,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:47,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23434416] [2021-10-13 00:00:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:47,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:47,756 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:48,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-10-13 00:00:48,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:48,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242777928] [2021-10-13 00:00:48,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:48,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,043 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:48,072 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-10-13 00:00:48,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:48,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28675528] [2021-10-13 00:00:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:48,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:48,262 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 00:00:48,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:48,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28675528] [2021-10-13 00:00:48,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28675528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:48,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:48,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:00:48,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803103335] [2021-10-13 00:00:48,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:48,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:00:48,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:00:48,437 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 00:00:48,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:48,716 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-10-13 00:00:48,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:00:48,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-10-13 00:00:48,732 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-10-13 00:00:48,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-10-13 00:00:48,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-10-13 00:00:48,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-10-13 00:00:48,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-10-13 00:00:48,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:00:48,753 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-10-13 00:00:48,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-10-13 00:00:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-10-13 00:00:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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 00:00:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-10-13 00:00:48,800 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-13 00:00:48,800 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-13 00:00:48,800 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:00:48,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-10-13 00:00:48,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-10-13 00:00:48,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:48,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:48,803 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:00:48,803 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:48,803 INFO L791 eck$LassoCheckResult]: Stem: 471#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 423#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 424#L824 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 376#L832 main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 377#L919 assume 0 != main_~tmp~8; 389#L896 havoc test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 390#L781-1 [2021-10-13 00:00:48,803 INFO L793 eck$LassoCheckResult]: Loop: 390#L781-1 assume !false; 385#L518 assume test_~splverifierCounter~0 < 4; 386#L519 test_~tmp~3 := test_#t~nondet52;havoc test_#t~nondet52; 462#L527 assume !(0 != test_~tmp~3); 449#L527-1 test_~tmp___0~0 := test_#t~nondet53;havoc test_#t~nondet53; 460#L537 assume !(0 != test_~tmp___0~0); 420#L537-1 test_~tmp___2~0 := test_#t~nondet54;havoc test_#t~nondet54; 414#L547 assume 0 != test_~tmp___2~0; 415#L553-1 assume !(0 != ~pumpRunning~0); 405#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret57, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 467#L644 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret56, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 450#L618-1 assume !(0 != ~pumpRunning~0); 418#L593 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 457#L458-1 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 463#L781 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 390#L781-1 [2021-10-13 00:00:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:48,804 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-13 00:00:48,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:48,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799221184] [2021-10-13 00:00:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:48,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,862 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:48,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-10-13 00:00:48,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:48,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169511194] [2021-10-13 00:00:48,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:48,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,927 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:48,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:48,935 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-10-13 00:00:48,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:48,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561911696] [2021-10-13 00:00:48,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:48,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:48,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:49,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:01:48,156 WARN L207 SmtUtils]: Spent 59.00 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 00:02:45,887 WARN L207 SmtUtils]: Spent 27.12 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 00:02:46,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:02:46 BoogieIcfgContainer [2021-10-13 00:02:46,049 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:02:46,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:02:46,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:02:46,050 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:02:46,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:47" (3/4) ... [2021-10-13 00:02:46,053 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:02:46,097 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:02:46,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:02:46,106 INFO L168 Benchmark]: Toolchain (without parser) took 120562.71 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 75.3 MB in the beginning and 36.4 MB in the end (delta: 38.9 MB). Peak memory consumption was 66.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,108 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 92.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:02:46,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.82 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 83.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.22 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 80.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,109 INFO L168 Benchmark]: Boogie Preprocessor took 72.48 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 77.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,109 INFO L168 Benchmark]: RCFGBuilder took 1050.83 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 77.4 MB in the beginning and 113.4 MB in the end (delta: -36.0 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,110 INFO L168 Benchmark]: BuchiAutomizer took 118817.88 ms. Allocated memory is still 146.8 MB. Free memory was 113.4 MB in the beginning and 39.4 MB in the end (delta: 74.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,110 INFO L168 Benchmark]: Witness Printer took 55.67 ms. Allocated memory is still 146.8 MB. Free memory was 38.5 MB in the beginning and 36.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:02:46,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory is still 92.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.82 ms. Allocated memory is still 117.4 MB. Free memory was 75.1 MB in the beginning and 83.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.22 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 80.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.48 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 77.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1050.83 ms. Allocated memory was 117.4 MB in the beginning and 146.8 MB in the end (delta: 29.4 MB). Free memory was 77.4 MB in the beginning and 113.4 MB in the end (delta: -36.0 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 118817.88 ms. Allocated memory is still 146.8 MB. Free memory was 113.4 MB in the beginning and 39.4 MB in the end (delta: 74.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 16.1 GB. * Witness Printer took 55.67 ms. Allocated memory is still 146.8 MB. Free memory was 38.5 MB in the beginning and 36.4 MB in the end (delta: 2.1 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 118.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 118.2s. Construction of modules took 0.1s. 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 31.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 151.5ms 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: 517]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11128} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=11128, NULL=0, NULL=0, NULL=11149, NULL=0, NULL=11130, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31c691de=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1284ca35=0, NULL=11142, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@136b3462=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25f3c3dc=0, NULL=11148, retValue_acc=1, tmp=0, NULL=0, NULL=0, tmp=0, NULL=11137, tmp___1=0, NULL=11146, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32a17f7b=0, tmp___0=0, NULL=0, NULL=0, NULL=11135, NULL=11136, NULL=11152, cleanupTimeShifts=4, NULL=11138, NULL=11131, NULL=11140, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=11141, tmp___0=0, NULL=11151, retValue_acc=0, NULL=11154, \result=1, head=0, pumpRunning=0, NULL=11145, \result=0, NULL=11129, tmp=0, NULL=0, NULL=11139, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=11147, NULL=0, NULL=0, NULL=11150, tmp___2=59, NULL=11153, NULL=11132, splverifierCounter=0, NULL=0, \result=0, NULL=11155, NULL=11134, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b13dbd0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70fe990a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@203b138=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa2ecaa=0, head=0, NULL=0, NULL=0, tmp=0, NULL=11133, NULL=0, NULL=0, NULL=11144, NULL=11143, NULL=11156} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L578] int pumpRunning = 0; [L579] int systemActive = 1; [L837] int cleanupTimeShifts = 4; [L910] int retValue_acc ; [L911] int tmp ; [L828] int retValue_acc ; [L831] retValue_acc = 1 [L832] return (retValue_acc); [L917] tmp = valid_product() [L919] COND TRUE \read(tmp) [L508] int splverifierCounter ; [L509] int tmp ; [L510] int tmp___0 ; [L511] int tmp___1 ; [L512] int tmp___2 ; [L515] splverifierCounter = 0 Loop: [L517] COND TRUE 1 [L519] COND TRUE splverifierCounter < 4 [L525] tmp = __VERIFIER_nondet_int() [L527] COND FALSE !(\read(tmp)) [L535] tmp___0 = __VERIFIER_nondet_int() [L537] COND FALSE !(\read(tmp___0)) [L545] tmp___2 = __VERIFIER_nondet_int() [L547] COND TRUE \read(tmp___2) [L586] COND FALSE !(\read(pumpRunning)) [L593] COND TRUE \read(systemActive) [L641] int tmp ; [L644] COND FALSE !(\read(pumpRunning)) [L615] int tmp ; [L618] COND FALSE !(\read(pumpRunning)) [L774] int tmp ; [L775] int tmp___0 ; [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L779] tmp = isMethaneLevelCritical() [L781] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:02:46,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d2efba-85c9-4ea4-a50b-b866349b5bee/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...