./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg --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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:49:36,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:36,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:36,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:36,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:36,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:36,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:36,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:36,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:36,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:36,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:36,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:36,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:36,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:36,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:36,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:36,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:36,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:36,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:36,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:36,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:36,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:36,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:36,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:36,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:36,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:36,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:36,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:36,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:36,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:36,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:36,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:36,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:36,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:36,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:36,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:36,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:36,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:36,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:36,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:36,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:36,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:49:36,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:36,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:36,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:36,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:36,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:36,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:36,238 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:36,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:49:36,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:49:36,239 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:49:36,240 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:49:36,240 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:49:36,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:49:36,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:36,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:49:36,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:49:36,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:36,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:49:36,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:36,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:49:36,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:49:36,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:49:36,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:49:36,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:36,243 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:49:36,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:36,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:49:36,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:36,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:36,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:36,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:36,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:36,255 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:49:36,255 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_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2021-10-28 09:49:36,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:36,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:36,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:36,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:36,552 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:36,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-28 09:49:36,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/data/731eddcc5/9f7a54a38165434dac4c00990157a57b/FLAG21a96e225 [2021-10-28 09:49:37,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:37,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-28 09:49:37,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/data/731eddcc5/9f7a54a38165434dac4c00990157a57b/FLAG21a96e225 [2021-10-28 09:49:37,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/data/731eddcc5/9f7a54a38165434dac4c00990157a57b [2021-10-28 09:49:37,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:37,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:37,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:37,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:37,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:37,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:37,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed0769e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37, skipping insertion in model container [2021-10-28 09:49:37,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:37,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:37,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:37,725 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_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-28 09:49:37,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:37,850 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:49:37,865 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_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-28 09:49:37,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:37,965 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:49:37,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37 WrapperNode [2021-10-28 09:49:37,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:37,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:37,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:49:37,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:49:37,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:38,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:49:38,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:49:38,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:49:38,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:49:38,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:49:38,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:49:38,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:49:38,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (1/1) ... [2021-10-28 09:49:38,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:49:38,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:38,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:49:38,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:49:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:49:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:49:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:49:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:49:38,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:49:38,957 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 09:49:38,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:38 BoogieIcfgContainer [2021-10-28 09:49:38,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:49:38,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:49:38,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:49:38,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:49:38,965 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:49:38,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:49:37" (1/3) ... [2021-10-28 09:49:38,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ae75d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:49:38, skipping insertion in model container [2021-10-28 09:49:38,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:49:38,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:37" (2/3) ... [2021-10-28 09:49:38,967 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ae75d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:49:38, skipping insertion in model container [2021-10-28 09:49:38,967 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:49:38,968 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:38" (3/3) ... [2021-10-28 09:49:38,969 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-10-28 09:49:39,040 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:49:39,040 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:49:39,040 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:49:39,041 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:49:39,041 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:49:39,041 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:49:39,041 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:49:39,041 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:49:39,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:49:39,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:49:39,083 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:49:39,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,091 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:49:39,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:49:39,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:49:39,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:49:39,098 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,098 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,104 INFO L791 eck$LassoCheckResult]: Stem: 46#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 12#L866true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 15#L874true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 21#L301true assume 0 != main_~tmp~1; 40#L275true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 45#L826-1true [2021-10-28 09:49:39,104 INFO L793 eck$LassoCheckResult]: Loop: 45#L826-1true assume !false; 9#L159true assume test_~splverifierCounter~0 < 4; 23#L160true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 5#L168true assume !(0 != test_~tmp~0); 52#L168-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 30#L178true assume !(0 != test_~tmp___0~0); 39#L178-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 18#L188true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 51#L196-2true assume !(0 != ~pumpRunning~0); 35#L692true assume 0 != ~systemActive~0; 41#L699true havoc __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 22#L108true __utac_acc__Specification1_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret75;havoc __utac_acc__Specification1_spec__1_#t~ret75; 44#L826true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 45#L826-1true [2021-10-28 09:49:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:49:39,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867963648] [2021-10-28 09:49:39,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:49:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:49:39,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-28 09:49:39,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185623422] [2021-10-28 09:49:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,579 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:49:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:49:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-28 09:49:39,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567292852] [2021-10-28 09:49:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:49:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:49:39,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:50:36,175 WARN L207 SmtUtils]: Spent 56.09 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:51:43,849 WARN L207 SmtUtils]: Spent 34.27 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:51:43,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:51:43 BoogieIcfgContainer [2021-10-28 09:51:43,960 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:51:43,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:51:43,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:51:43,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:51:43,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:38" (3/4) ... [2021-10-28 09:51:43,964 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:51:44,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:51:44,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:51:44,037 INFO L168 Benchmark]: Toolchain (without parser) took 126549.91 ms. Allocated memory was 75.5 MB in the beginning and 125.8 MB in the end (delta: 50.3 MB). Free memory was 49.0 MB in the beginning and 75.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,037 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:44,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.15 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 48.9 MB in the beginning and 57.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.19 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 54.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,042 INFO L168 Benchmark]: Boogie Preprocessor took 54.96 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,043 INFO L168 Benchmark]: RCFGBuilder took 846.72 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 39.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,044 INFO L168 Benchmark]: BuchiAutomizer took 124999.23 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 39.2 MB in the beginning and 77.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,044 INFO L168 Benchmark]: Witness Printer took 75.08 ms. Allocated memory is still 125.8 MB. Free memory was 77.8 MB in the beginning and 75.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:44,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 75.5 MB. Free memory was 47.2 MB in the beginning and 47.2 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.15 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 48.9 MB in the beginning and 57.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.19 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 54.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.96 ms. Allocated memory is still 92.3 MB. Free memory was 54.7 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 846.72 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 39.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 124999.23 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 39.2 MB in the beginning and 77.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. * Witness Printer took 75.08 ms. Allocated memory is still 125.8 MB. Free memory was 77.8 MB in the beginning and 75.7 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 124.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 124.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 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: 158]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=22104} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=22108, retValue_acc=0, NULL=22104, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=30364, NULL=30361, methaneLevelCritical=0, NULL=22109, NULL=30368, NULL=0, NULL=0, NULL=30359, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=30371, NULL=30367, NULL=30372, NULL=22114, NULL=22110, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=22113, NULL=0, NULL=30373, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=30362, NULL=0, NULL=22105, \result=1, head=0, pumpRunning=0, NULL=30369, \result=0, NULL=30366, NULL=22107, tmp=0, NULL=30360, tmp=1, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=22106, tmp___2=68, splverifierCounter=0, NULL=0, \result=0, NULL=22111, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52b665a5=68, NULL=30363, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4732f428=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39e695a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6547b72e=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cdab967=0, NULL=30374, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c18f657=0, NULL=30375, NULL=30370, NULL=30365, NULL=30358, NULL=22112, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@194e8f3b=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L215] int cleanupTimeShifts = 4; [L484] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L684] int pumpRunning = 0; [L685] int systemActive = 1; [L292] int retValue_acc ; [L293] int tmp ; [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); [L299] tmp = valid_product() [L301] COND TRUE \read(tmp) [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L813] systemActive = 1 [L692] COND FALSE !(\read(pumpRunning)) [L699] COND TRUE \read(systemActive) [L819] int tmp ; [L820] int tmp___0 ; [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L824] tmp = isMethaneLevelCritical() [L826] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:51:44,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d9bd661-405f-4dbe-ab6f-0310d4eaaee8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...