./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/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 be55a7f1075e89fc9ba61c1d1b198d854f5bd554 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:24:30,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:24:30,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:24:31,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:24:31,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:24:31,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:24:31,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:24:31,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:24:31,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:24:31,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:24:31,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:24:31,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:24:31,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:24:31,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:24:31,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:24:31,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:24:31,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:24:31,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:24:31,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:24:31,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:24:31,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:24:31,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:24:31,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:24:31,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:24:31,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:24:31,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:24:31,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:24:31,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:24:31,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:24:31,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:24:31,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:24:31,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:24:31,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:24:31,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:24:31,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:24:31,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:24:31,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:24:31,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:24:31,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:24:31,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:24:31,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:24:31,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:24:31,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:24:31,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:24:31,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:24:31,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:24:31,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:24:31,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:24:31,130 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:24:31,130 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:24:31,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:24:31,131 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:24:31,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:24:31,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:24:31,132 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:24:31,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:24:31,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:24:31,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:24:31,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:24:31,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:24:31,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:24:31,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:24:31,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:24:31,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:24:31,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:24:31,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:24:31,135 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:24:31,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:24:31,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:24:31,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:24:31,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:24:31,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:24:31,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:24:31,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:24:31,139 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:24:31,139 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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be55a7f1075e89fc9ba61c1d1b198d854f5bd554 [2021-10-13 00:24:31,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:24:31,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:24:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:24:31,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:24:31,402 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:24:31,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2021-10-13 00:24:31,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/data/a5e5d343f/f4b62cebecf947f5bd614cef5d781a05/FLAG8186ec2e3 [2021-10-13 00:24:32,018 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:24:32,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2021-10-13 00:24:32,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/data/a5e5d343f/f4b62cebecf947f5bd614cef5d781a05/FLAG8186ec2e3 [2021-10-13 00:24:32,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/data/a5e5d343f/f4b62cebecf947f5bd614cef5d781a05 [2021-10-13 00:24:32,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:24:32,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:24:32,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:32,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:24:32,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:24:32,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:32,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650a0885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32, skipping insertion in model container [2021-10-13 00:24:32,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:32,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:24:32,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:24:32,703 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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3114,3127] [2021-10-13 00:24:32,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:32,803 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:24:32,822 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_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3114,3127] [2021-10-13 00:24:32,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:32,924 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:24:32,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32 WrapperNode [2021-10-13 00:24:32,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:32,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:32,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:24:32,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:24:32,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:32,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:33,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:24:33,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:24:33,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:24:33,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:24:33,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:24:33,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:24:33,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:24:33,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (1/1) ... [2021-10-13 00:24:33,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:24:33,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:33,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:24:33,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:24:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:24:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:24:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:24:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:24:34,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:24:34,069 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-10-13 00:24:34,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:34 BoogieIcfgContainer [2021-10-13 00:24:34,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:24:34,075 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:24:34,076 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:24:34,080 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:24:34,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:34,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:24:32" (1/3) ... [2021-10-13 00:24:34,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1317d118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:24:34, skipping insertion in model container [2021-10-13 00:24:34,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:34,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:32" (2/3) ... [2021-10-13 00:24:34,084 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1317d118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:24:34, skipping insertion in model container [2021-10-13 00:24:34,084 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:34,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:34" (3/3) ... [2021-10-13 00:24:34,086 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product32.cil.c [2021-10-13 00:24:34,146 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:24:34,146 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:24:34,146 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:24:34,146 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:24:34,147 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:24:34,147 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:24:34,147 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:24:34,147 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:24:34,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.5) internal successors, (168), 112 states have internal predecessors, (168), 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 00:24:34,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2021-10-13 00:24:34,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:34,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:34,218 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:34,218 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:34,218 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:24:34,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.5) internal successors, (168), 112 states have internal predecessors, (168), 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 00:24:34,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2021-10-13 00:24:34,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:34,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:34,237 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:34,237 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:34,248 INFO L791 eck$LassoCheckResult]: Stem: 102#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 42#L-1true havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 99#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 54#L75true main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 53#L169true assume 0 != main_~tmp~0; 82#L143true ~switchedOnBeforeTS~0 := 0; 97#L500true havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, 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; 64#L521-1true [2021-10-13 00:24:34,249 INFO L793 eck$LassoCheckResult]: Loop: 64#L521-1true assume !false; 78#L435true assume test_~splverifierCounter~0 < 4; 39#L436true test_~tmp~5 := test_#t~nondet30;havoc test_#t~nondet30; 80#L444true assume !(0 != test_~tmp~5); 6#L444-1true test_~tmp___0~1 := test_#t~nondet31;havoc test_#t~nondet31; 5#L454true assume !(0 != test_~tmp___0~1); 49#L454-1true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 89#L464true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 81#L472-1true havoc __utac_acc__Specification5_spec__2_#t~ret34;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 72#L341true __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 67#L510true assume !(0 != ~pumpRunning~0); 108#L213true assume !(0 != ~systemActive~0); 56#L220true havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 33#L984true __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 75#L521true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 64#L521-1true [2021-10-13 00:24:34,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:34,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:24:34,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:34,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918119322] [2021-10-13 00:24:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:34,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:34,551 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:34,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:34,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:34,751 INFO L82 PathProgramCache]: Analyzing trace with hash 676518966, now seen corresponding path program 1 times [2021-10-13 00:24:34,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:34,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878990539] [2021-10-13 00:24:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:34,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:34,843 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 00:24:34,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:34,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878990539] [2021-10-13 00:24:34,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878990539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:34,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:34,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:24:34,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703022833] [2021-10-13 00:24:34,854 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:24:34,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:34,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:24:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:24:34,884 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.5) internal successors, (168), 112 states have internal predecessors, (168), 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 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 00:24:34,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:34,968 INFO L93 Difference]: Finished difference Result 219 states and 311 transitions. [2021-10-13 00:24:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:24:34,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 311 transitions. [2021-10-13 00:24:34,979 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2021-10-13 00:24:34,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 205 states and 296 transitions. [2021-10-13 00:24:34,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 205 [2021-10-13 00:24:34,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2021-10-13 00:24:35,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 296 transitions. [2021-10-13 00:24:35,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:24:35,004 INFO L681 BuchiCegarLoop]: Abstraction has 205 states and 296 transitions. [2021-10-13 00:24:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 296 transitions. [2021-10-13 00:24:35,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2021-10-13 00:24:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 203 states have (on average 1.4433497536945812) internal successors, (293), 202 states have internal predecessors, (293), 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 00:24:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 293 transitions. [2021-10-13 00:24:35,045 INFO L704 BuchiCegarLoop]: Abstraction has 203 states and 293 transitions. [2021-10-13 00:24:35,045 INFO L587 BuchiCegarLoop]: Abstraction has 203 states and 293 transitions. [2021-10-13 00:24:35,046 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:24:35,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 203 states and 293 transitions. [2021-10-13 00:24:35,048 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2021-10-13 00:24:35,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:35,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:35,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:35,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:35,050 INFO L791 eck$LassoCheckResult]: Stem: 456#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 410#L-1 havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 411#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 425#L75 main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 423#L169 assume 0 != main_~tmp~0; 424#L143 ~switchedOnBeforeTS~0 := 0; 445#L500 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, 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; 342#L521-1 [2021-10-13 00:24:35,050 INFO L793 eck$LassoCheckResult]: Loop: 342#L521-1 assume !false; 431#L435 assume test_~splverifierCounter~0 < 4; 442#L436 test_~tmp~5 := test_#t~nondet30;havoc test_#t~nondet30; 538#L444 assume !(0 != test_~tmp~5); 493#L444-1 test_~tmp___0~1 := test_#t~nondet31;havoc test_#t~nondet31; 492#L454 assume !(0 != test_~tmp___0~1); 490#L454-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 488#L464 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 448#L472-1 havoc __utac_acc__Specification5_spec__2_#t~ret34;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 485#L341 __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 481#L510 assume !(0 != ~pumpRunning~0); 459#L213 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 396#L271 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret9, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 389#L245-1 assume !(0 != ~pumpRunning~0); 353#L220 havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 394#L984 __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 395#L521 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 342#L521-1 [2021-10-13 00:24:35,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:24:35,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315546759] [2021-10-13 00:24:35,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,125 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:35,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,187 INFO L82 PathProgramCache]: Analyzing trace with hash -554713784, now seen corresponding path program 1 times [2021-10-13 00:24:35,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017389643] [2021-10-13 00:24:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,194 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,202 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:35,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1677326142, now seen corresponding path program 1 times [2021-10-13 00:24:35,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66775654] [2021-10-13 00:24:35,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:35,271 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 00:24:35,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:35,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66775654] [2021-10-13 00:24:35,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66775654] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:35,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:35,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:24:35,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154685394] [2021-10-13 00:24:35,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:35,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:24:35,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:24:35,443 INFO L87 Difference]: Start difference. First operand 203 states and 293 transitions. cyclomatic complexity: 93 Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 00:24:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:35,593 INFO L93 Difference]: Finished difference Result 608 states and 873 transitions. [2021-10-13 00:24:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:35,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 608 states and 873 transitions. [2021-10-13 00:24:35,601 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 274 [2021-10-13 00:24:35,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 608 states to 608 states and 873 transitions. [2021-10-13 00:24:35,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 608 [2021-10-13 00:24:35,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 608 [2021-10-13 00:24:35,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 608 states and 873 transitions. [2021-10-13 00:24:35,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:24:35,613 INFO L681 BuchiCegarLoop]: Abstraction has 608 states and 873 transitions. [2021-10-13 00:24:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states and 873 transitions. [2021-10-13 00:24:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 399. [2021-10-13 00:24:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 399 states have (on average 1.4160401002506267) internal successors, (565), 398 states have internal predecessors, (565), 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 00:24:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 565 transitions. [2021-10-13 00:24:35,636 INFO L704 BuchiCegarLoop]: Abstraction has 399 states and 565 transitions. [2021-10-13 00:24:35,637 INFO L587 BuchiCegarLoop]: Abstraction has 399 states and 565 transitions. [2021-10-13 00:24:35,637 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:24:35,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 399 states and 565 transitions. [2021-10-13 00:24:35,640 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 274 [2021-10-13 00:24:35,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:35,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:35,658 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:35,658 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:35,659 INFO L791 eck$LassoCheckResult]: Stem: 1290#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1237#L-1 havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 1238#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1251#L75 main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 1249#L169 assume 0 != main_~tmp~0; 1250#L143 ~switchedOnBeforeTS~0 := 0; 1278#L500 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, 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; 1286#L521-1 [2021-10-13 00:24:35,659 INFO L793 eck$LassoCheckResult]: Loop: 1286#L521-1 assume !false; 1483#L435 assume test_~splverifierCounter~0 < 4; 1484#L436 test_~tmp~5 := test_#t~nondet30;havoc test_#t~nondet30; 1527#L444 assume !(0 != test_~tmp~5); 1523#L444-1 test_~tmp___0~1 := test_#t~nondet31;havoc test_#t~nondet31; 1519#L454 assume !(0 != test_~tmp___0~1); 1455#L454-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 1452#L464 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1439#L472-1 havoc __utac_acc__Specification5_spec__2_#t~ret34;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1496#L341 __utac_acc__Specification5_spec__2_#t~ret34 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34;havoc __utac_acc__Specification5_spec__2_#t~ret34; 1493#L510 assume !(0 != ~pumpRunning~0); 1494#L213 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1508#L271 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret9, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1500#L245-1 assume !(0 != ~pumpRunning~0); 1497#L220 havoc __utac_acc__Specification5_spec__3_#t~ret35, __utac_acc__Specification5_spec__3_#t~ret36, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1495#L984 __utac_acc__Specification5_spec__3_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret35;havoc __utac_acc__Specification5_spec__3_#t~ret35; 1492#L521 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; 1491#L341-1 __utac_acc__Specification5_spec__3_#t~ret36 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret36;havoc __utac_acc__Specification5_spec__3_#t~ret36; 1490#L525 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1286#L521-1 [2021-10-13 00:24:35,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-10-13 00:24:35,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760641952] [2021-10-13 00:24:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,731 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:35,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,816 INFO L82 PathProgramCache]: Analyzing trace with hash -504014109, now seen corresponding path program 1 times [2021-10-13 00:24:35,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493124842] [2021-10-13 00:24:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:35,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:35,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1297698851, now seen corresponding path program 1 times [2021-10-13 00:24:35,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:35,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510224750] [2021-10-13 00:24:35,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:35,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,873 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:35,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:25:32,696 WARN L207 SmtUtils]: Spent 56.55 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:26:39,143 WARN L207 SmtUtils]: Spent 32.01 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:26:39,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:26:39 BoogieIcfgContainer [2021-10-13 00:26:39,339 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:26:39,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:26:39,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:26:39,340 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:26:39,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:34" (3/4) ... [2021-10-13 00:26:39,344 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:26:39,400 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:26:39,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:26:39,404 INFO L168 Benchmark]: Toolchain (without parser) took 127056.68 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 86.0 MB in the beginning and 88.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,408 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:26:39,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.26 ms. Allocated memory is still 119.5 MB. Free memory was 86.0 MB in the beginning and 87.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.93 ms. Allocated memory is still 119.5 MB. Free memory was 87.0 MB in the beginning and 83.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,412 INFO L168 Benchmark]: Boogie Preprocessor took 41.51 ms. Allocated memory is still 119.5 MB. Free memory was 83.3 MB in the beginning and 80.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,413 INFO L168 Benchmark]: RCFGBuilder took 1028.00 ms. Allocated memory is still 119.5 MB. Free memory was 80.7 MB in the beginning and 86.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,414 INFO L168 Benchmark]: BuchiAutomizer took 125263.89 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 86.8 MB in the beginning and 90.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,414 INFO L168 Benchmark]: Witness Printer took 60.88 ms. Allocated memory is still 144.7 MB. Free memory was 90.9 MB in the beginning and 88.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:39,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.26 ms. Allocated memory is still 119.5 MB. Free memory was 86.0 MB in the beginning and 87.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.93 ms. Allocated memory is still 119.5 MB. Free memory was 87.0 MB in the beginning and 83.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.51 ms. Allocated memory is still 119.5 MB. Free memory was 83.3 MB in the beginning and 80.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1028.00 ms. Allocated memory is still 119.5 MB. Free memory was 80.7 MB in the beginning and 86.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 125263.89 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 86.8 MB in the beginning and 90.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 16.1 GB. * Witness Printer took 60.88 ms. Allocated memory is still 144.7 MB. Free memory was 90.9 MB in the beginning and 88.8 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 399 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 124.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 50.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 211 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 399 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 411 SDtfs, 727 SDslu, 637 SDs, 0 SdLazy, 107 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.9ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 434]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7919} State at position 1 is {NULL=0, NULL=0, NULL=7938, retValue_acc=1, retValue_acc=0, NULL=7919, NULL=0, NULL=7921, NULL=0, NULL=7933, NULL=7932, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@277cc65b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2181924a=0, tmp=1, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=7943, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=7946, NULL=7939, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dd578d6=0, switchedOnBeforeTS=0, NULL=7935, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72cf7aec=0, NULL=0, systemActive=1, waterLevel=1, NULL=7925, \result=1, NULL=0, NULL=7930, NULL=7944, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38ae9530=0, NULL=7947, \result=1, NULL=7931, head=0, pumpRunning=0, tmp___0=0, tmp=1, NULL=7937, \result=0, NULL=7920, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25c3957a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7caf74f0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f290ef2=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@438c5ddc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27eaaf15=0, NULL=7922, NULL=0, NULL=7941, NULL=0, NULL=7924, NULL=7927, NULL=0, NULL=7936, retValue_acc=1, tmp___2=66, NULL=0, tmp___0=0, NULL=7929, splverifierCounter=0, NULL=0, NULL=0, NULL=7926, NULL=7940, NULL=7928, tmp=0, NULL=7923, head=0, tmp=0, NULL=0, NULL=0, NULL=7945, NULL=0, NULL=0, NULL=7942, NULL=0, NULL=7934, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L80] int cleanupTimeShifts = 4; [L201] int pumpRunning = 0; [L202] int systemActive = 1; [L494] int switchedOnBeforeTS ; [L712] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L909] int waterLevel = 1; [L910] int methaneLevelCritical = 0; [L160] int retValue_acc ; [L161] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L499] switchedOnBeforeTS = 0 [L425] int splverifierCounter ; [L426] int tmp ; [L427] int tmp___0 ; [L428] int tmp___1 ; [L429] int tmp___2 ; [L432] splverifierCounter = 0 Loop: [L434] COND TRUE 1 [L436] COND TRUE splverifierCounter < 4 [L442] tmp = __VERIFIER_nondet_int() [L444] COND FALSE !(\read(tmp)) [L452] tmp___0 = __VERIFIER_nondet_int() [L454] COND FALSE !(\read(tmp___0)) [L462] tmp___2 = __VERIFIER_nondet_int() [L464] COND TRUE \read(tmp___2) [L419] systemActive = 1 [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L508] switchedOnBeforeTS = isPumpRunning() [L213] COND FALSE !(\read(pumpRunning)) [L220] COND TRUE \read(systemActive) [L268] int tmp ; [L271] COND FALSE !(\read(pumpRunning)) [L242] int tmp ; [L245] COND FALSE !(\read(pumpRunning)) [L514] int tmp ; [L515] int tmp___0 ; [L980] int retValue_acc ; [L983] retValue_acc = waterLevel [L984] return (retValue_acc); [L519] tmp = getWaterLevel() [L521] COND TRUE tmp != 2 [L337] int retValue_acc ; [L340] retValue_acc = pumpRunning [L341] return (retValue_acc); [L523] tmp___0 = isPumpRunning() [L525] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:26:39,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04a5b8c-c005-4e69-b793-11cc6fe1c96a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...