./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/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 a22bfa4730ddab21776840b89a04f286cc468614 .................................................................................................................................................................................................................................................................................................................................................................................. 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 01:20:44,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:20:44,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:20:44,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:20:44,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:20:44,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:20:44,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:20:44,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:20:44,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:20:44,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:20:44,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:20:44,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:20:44,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:20:44,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:20:44,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:20:44,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:20:44,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:20:44,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:20:44,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:20:44,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:20:44,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:20:44,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:20:44,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:20:44,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:20:44,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:20:44,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:20:44,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:20:44,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:20:44,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:20:44,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:20:44,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:20:44,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:20:44,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:20:44,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:20:45,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:20:45,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:20:45,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:20:45,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:20:45,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:20:45,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:20:45,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:20:45,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:20:45,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:20:45,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:20:45,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:20:45,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:20:45,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:20:45,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:20:45,035 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:20:45,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:20:45,036 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:20:45,036 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:20:45,037 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:20:45,037 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:20:45,037 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:20:45,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:20:45,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:20:45,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:20:45,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:20:45,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:20:45,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:20:45,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:20:45,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:20:45,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:20:45,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:20:45,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:20:45,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:20:45,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:20:45,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:20:45,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:20:45,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:20:45,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:20:45,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:20:45,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:20:45,044 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:20:45,044 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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a22bfa4730ddab21776840b89a04f286cc468614 [2021-10-13 01:20:45,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:20:45,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:20:45,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:20:45,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:20:45,389 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:20:45,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-13 01:20:45,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/data/74aa1f91d/d581c1f66f4c43ee825a10e2b3873c1d/FLAGa2573d535 [2021-10-13 01:20:46,155 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:20:46,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-10-13 01:20:46,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/data/74aa1f91d/d581c1f66f4c43ee825a10e2b3873c1d/FLAGa2573d535 [2021-10-13 01:20:46,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/data/74aa1f91d/d581c1f66f4c43ee825a10e2b3873c1d [2021-10-13 01:20:46,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:20:46,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:20:46,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:20:46,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:20:46,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:20:46,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:46,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb3fccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46, skipping insertion in model container [2021-10-13 01:20:46,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:46,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:20:46,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:20:46,779 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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-13 01:20:46,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:20:46,838 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:20:46,893 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_3e29e39e-acfc-43e5-bf4c-808f2f2de978/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c[13495,13508] [2021-10-13 01:20:46,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:20:46,929 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:20:46,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46 WrapperNode [2021-10-13 01:20:46,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:20:46,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:20:46,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:20:46,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:20:46,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:46,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:20:47,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:20:47,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:20:47,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:20:47,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:20:47,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:20:47,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:20:47,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:20:47,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (1/1) ... [2021-10-13 01:20:47,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:20:47,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:20:47,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:20:47,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:20:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:20:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:20:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:20:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:20:48,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:20:48,153 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-13 01:20:48,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:48 BoogieIcfgContainer [2021-10-13 01:20:48,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:20:48,156 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:20:48,157 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:20:48,160 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:20:48,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:20:48,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:20:46" (1/3) ... [2021-10-13 01:20:48,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bfd34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:20:48, skipping insertion in model container [2021-10-13 01:20:48,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:20:48,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:20:46" (2/3) ... [2021-10-13 01:20:48,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bfd34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:20:48, skipping insertion in model container [2021-10-13 01:20:48,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:20:48,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:48" (3/3) ... [2021-10-13 01:20:48,165 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2021-10-13 01:20:48,212 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:20:48,212 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:20:48,212 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:20:48,212 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:20:48,213 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:20:48,213 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:20:48,213 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:20:48,213 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:20:48,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 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 01:20:48,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-13 01:20:48,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:20:48,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:20:48,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,266 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,266 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:20:48,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 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 01:20:48,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-13 01:20:48,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:20:48,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:20:48,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,288 INFO L791 eck$LassoCheckResult]: Stem: 56#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 48#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 51#L629true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 39#L637true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 58#L134true assume 0 != main_~tmp~0; 19#L105true ~methAndRunningLastTime~0 := 0; 64#L649true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L660-1true [2021-10-13 01:20:48,288 INFO L793 eck$LassoCheckResult]: Loop: 62#L660-1true assume !false; 66#L695true assume test_~splverifierCounter~0 < 4; 53#L696true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 61#L704true assume !(0 != test_~tmp~5); 73#L704-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 8#L714true assume !(0 != test_~tmp___0~1); 24#L714-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 22#L724true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L732-1true assume !(0 != ~pumpRunning~0); 23#L762true assume !(0 != ~systemActive~0); 52#L769true havoc __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_#t~ret55, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 26#L561-1true __utac_acc__Specification2_spec__2_#t~ret54 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret54;havoc __utac_acc__Specification2_spec__2_#t~ret54; 27#L660true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 62#L660-1true [2021-10-13 01:20:48,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:20:48,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 01:20:48,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:20:48,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310812964] [2021-10-13 01:20:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:20:48,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:20:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:48,542 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:20:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:48,698 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:20:48,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:20:48,701 INFO L82 PathProgramCache]: Analyzing trace with hash 11926804, now seen corresponding path program 1 times [2021-10-13 01:20:48,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:20:48,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033031632] [2021-10-13 01:20:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:20:48,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:20:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:20:48,762 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 01:20:48,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:20:48,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033031632] [2021-10-13 01:20:48,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033031632] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:20:48,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:20:48,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:20:48,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707587468] [2021-10-13 01:20:48,768 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:20:48,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:20:48,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:20:48,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:20:48,787 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 01:20:48,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:20:48,875 INFO L93 Difference]: Finished difference Result 137 states and 193 transitions. [2021-10-13 01:20:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:20:48,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 193 transitions. [2021-10-13 01:20:48,887 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2021-10-13 01:20:48,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 123 states and 178 transitions. [2021-10-13 01:20:48,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 123 [2021-10-13 01:20:48,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2021-10-13 01:20:48,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 178 transitions. [2021-10-13 01:20:48,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:20:48,900 INFO L681 BuchiCegarLoop]: Abstraction has 123 states and 178 transitions. [2021-10-13 01:20:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 178 transitions. [2021-10-13 01:20:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2021-10-13 01:20:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.4462809917355373) internal successors, (175), 120 states have internal predecessors, (175), 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 01:20:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2021-10-13 01:20:48,939 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2021-10-13 01:20:48,939 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 175 transitions. [2021-10-13 01:20:48,940 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:20:48,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 175 transitions. [2021-10-13 01:20:48,942 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 84 [2021-10-13 01:20:48,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:20:48,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:20:48,944 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,944 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:20:48,944 INFO L791 eck$LassoCheckResult]: Stem: 281#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 275#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 276#L629 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 267#L637 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 268#L134 assume 0 != main_~tmp~0; 243#L105 ~methAndRunningLastTime~0 := 0; 244#L649 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 253#L660-1 [2021-10-13 01:20:48,944 INFO L793 eck$LassoCheckResult]: Loop: 253#L660-1 assume !false; 288#L695 assume test_~splverifierCounter~0 < 4; 278#L696 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 279#L704 assume !(0 != test_~tmp~5); 285#L704-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 228#L714 assume !(0 != test_~tmp___0~1); 230#L714-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 247#L724 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L732-1 assume !(0 != ~pumpRunning~0); 250#L762 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 251#L794 assume !(0 != ~pumpRunning~0); 264#L769 havoc __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_#t~ret55, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 254#L561-1 __utac_acc__Specification2_spec__2_#t~ret54 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret54;havoc __utac_acc__Specification2_spec__2_#t~ret54; 255#L660 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 253#L660-1 [2021-10-13 01:20:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:20:48,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 01:20:48,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:20:48,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589831594] [2021-10-13 01:20:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:20:48,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:20:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,029 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:20:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:20:49,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:20:49,154 INFO L82 PathProgramCache]: Analyzing trace with hash 349202465, now seen corresponding path program 1 times [2021-10-13 01:20:49,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:20:49,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071613343] [2021-10-13 01:20:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:20:49,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:20:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,161 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:20:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:20:49,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:20:49,171 INFO L82 PathProgramCache]: Analyzing trace with hash 411590375, now seen corresponding path program 1 times [2021-10-13 01:20:49,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:20:49,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127714359] [2021-10-13 01:20:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:20:49,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:20:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,281 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:20:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:20:49,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:51,094 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 01:22:52,748 WARN L207 SmtUtils]: Spent 30.38 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 01:22:52,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:22:52 BoogieIcfgContainer [2021-10-13 01:22:52,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:22:52,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:22:52,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:22:52,916 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:22:52,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:20:48" (3/4) ... [2021-10-13 01:22:52,920 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:22:52,989 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:22:52,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:22:52,991 INFO L168 Benchmark]: Toolchain (without parser) took 126583.79 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 92.0 MB in the beginning and 98.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,992 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory is still 76.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:22:52,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.34 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 91.7 MB in the beginning and 134.7 MB in the end (delta: -42.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.32 ms. Allocated memory is still 169.9 MB. Free memory was 134.7 MB in the beginning and 131.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,995 INFO L168 Benchmark]: Boogie Preprocessor took 79.26 ms. Allocated memory is still 169.9 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,995 INFO L168 Benchmark]: RCFGBuilder took 1043.61 ms. Allocated memory is still 169.9 MB. Free memory was 129.8 MB in the beginning and 139.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,996 INFO L168 Benchmark]: BuchiAutomizer took 124758.98 ms. Allocated memory is still 169.9 MB. Free memory was 138.4 MB in the beginning and 100.4 MB in the end (delta: 38.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:52,997 INFO L168 Benchmark]: Witness Printer took 73.59 ms. Allocated memory is still 169.9 MB. Free memory was 100.4 MB in the beginning and 98.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:53,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory is still 76.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.34 ms. Allocated memory was 121.6 MB in the beginning and 169.9 MB in the end (delta: 48.2 MB). Free memory was 91.7 MB in the beginning and 134.7 MB in the end (delta: -42.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.32 ms. Allocated memory is still 169.9 MB. Free memory was 134.7 MB in the beginning and 131.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.26 ms. Allocated memory is still 169.9 MB. Free memory was 131.9 MB in the beginning and 129.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1043.61 ms. Allocated memory is still 169.9 MB. Free memory was 129.8 MB in the beginning and 139.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 124758.98 ms. Allocated memory is still 169.9 MB. Free memory was 138.4 MB in the beginning and 100.4 MB in the end (delta: 38.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 16.1 GB. * Witness Printer took 73.59 ms. Allocated memory is still 169.9 MB. Free memory was 100.4 MB in the beginning and 98.4 MB in the end (delta: 2.0 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 3 locations. The remainder module has 121 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 124.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 124.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 24.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 121 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 95 SDslu, 86 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.2ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 694]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1934} State at position 1 is {NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=1934, NULL=1959, NULL=0, NULL=1938, NULL=0, NULL=1953, NULL=1941, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51461823=0, NULL=1947, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cc9eede=0, methaneLevelCritical=0, NULL=1943, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=1936, NULL=0, NULL=0, NULL=1948, NULL=1939, NULL=1945, cleanupTimeShifts=4, NULL=1944, NULL=1935, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=1937, NULL=0, NULL=0, retValue_acc=0, NULL=1962, NULL=0, NULL=0, NULL=1956, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=1954, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6875a0d2=0, NULL=1942, NULL=1958, tmp___0=0, NULL=1960, retValue_acc=1, NULL=0, NULL=0, NULL=1946, NULL=0, NULL=1951, tmp___2=78, NULL=0, NULL=1950, tmp___0=0, NULL=1949, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=1961, NULL=1940, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e53e11f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41d5507a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21fb8a07=78, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64a315b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5aa1a8c8=0, head=0, NULL=0, NULL=0, tmp=0, NULL=1957, NULL=0, NULL=0, NULL=0, NULL=1952, tmp=0, NULL=0, NULL=1955} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L317] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int waterLevel = 1; [L519] int methaneLevelCritical = 0; [L643] int methAndRunningLastTime ; [L755] int pumpRunning = 0; [L756] int systemActive = 1; [L125] int retValue_acc ; [L126] int tmp ; [L633] int retValue_acc ; [L636] retValue_acc = 1 [L637] return (retValue_acc); [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L648] methAndRunningLastTime = 0 [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 Loop: [L694] COND TRUE 1 [L696] COND TRUE splverifierCounter < 4 [L702] tmp = __VERIFIER_nondet_int() [L704] COND FALSE !(\read(tmp)) [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) [L906] systemActive = 1 [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L653] int tmp ; [L654] int tmp___0 ; [L557] int retValue_acc ; [L560] retValue_acc = methaneLevelCritical [L561] return (retValue_acc); [L658] tmp = isMethaneLevelCritical() [L660] COND FALSE !(\read(tmp)) [L676] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:22:53,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e29e39e-acfc-43e5-bf4c-808f2f2de978/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...