./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro --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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:12:06,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:12:06,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:12:06,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:12:06,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:12:06,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:12:06,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:12:06,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:12:06,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:12:06,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:12:06,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:12:06,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:12:06,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:12:06,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:12:06,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:12:06,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:12:06,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:12:06,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:12:06,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:12:06,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:12:06,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:12:06,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:12:06,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:12:06,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:12:06,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:12:06,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:12:06,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:12:06,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:12:06,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:12:06,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:12:06,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:12:06,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:12:06,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:12:06,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:12:06,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:12:06,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:12:06,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:12:06,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:12:06,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:12:06,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:12:06,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:12:06,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:12:06,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:12:06,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:12:06,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:12:06,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:12:06,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:12:06,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:12:06,284 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:12:06,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:12:06,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:12:06,284 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:12:06,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:12:06,286 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:12:06,286 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:12:06,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:12:06,286 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:12:06,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:12:06,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:12:06,288 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:12:06,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:12:06,290 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:12:06,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:12:06,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:12:06,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:12:06,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:12:06,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:12:06,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:12:06,292 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:12:06,293 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_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2022-11-18 20:12:06,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:12:06,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:12:06,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:12:06,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:12:06,767 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:12:06,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-18 20:12:06,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/data/2aa7d96a0/92c1eb6641614975a297e9a5a63f9eff/FLAG3a70411de [2022-11-18 20:12:07,566 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:12:07,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-18 20:12:07,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/data/2aa7d96a0/92c1eb6641614975a297e9a5a63f9eff/FLAG3a70411de [2022-11-18 20:12:07,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/data/2aa7d96a0/92c1eb6641614975a297e9a5a63f9eff [2022-11-18 20:12:07,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:12:07,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:12:07,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:12:07,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:12:07,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:12:07,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:12:07" (1/1) ... [2022-11-18 20:12:07,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524ddb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:07, skipping insertion in model container [2022-11-18 20:12:07,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:12:07" (1/1) ... [2022-11-18 20:12:07,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:12:07,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:12:08,225 WARN L234 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_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-18 20:12:08,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:12:08,275 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:12:08,345 WARN L234 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_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-18 20:12:08,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:12:08,391 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:12:08,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08 WrapperNode [2022-11-18 20:12:08,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:12:08,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:12:08,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:12:08,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:12:08,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,505 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 78, statements flattened = 504 [2022-11-18 20:12:08,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:12:08,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:12:08,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:12:08,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:12:08,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,573 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:12:08,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:12:08,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:12:08,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:12:08,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (1/1) ... [2022-11-18 20:12:08,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:12:08,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:12:08,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:12:08,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:12:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:12:08,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:12:08,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:12:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:12:08,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:12:08,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:12:09,411 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:12:09,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:12:09,422 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:12:09,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:12:09 BoogieIcfgContainer [2022-11-18 20:12:09,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:12:09,426 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:12:09,426 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:12:09,439 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:12:09,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:12:09,441 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:12:07" (1/3) ... [2022-11-18 20:12:09,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb03ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:12:09, skipping insertion in model container [2022-11-18 20:12:09,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:12:09,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:12:08" (2/3) ... [2022-11-18 20:12:09,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cb03ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:12:09, skipping insertion in model container [2022-11-18 20:12:09,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:12:09,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:12:09" (3/3) ... [2022-11-18 20:12:09,444 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2022-11-18 20:12:09,514 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:12:09,514 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:12:09,514 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:12:09,515 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:12:09,515 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:12:09,515 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:12:09,515 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:12:09,515 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:12:09,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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) [2022-11-18 20:12:09,554 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-18 20:12:09,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:12:09,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:12:09,563 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:09,563 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:09,563 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:12:09,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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) [2022-11-18 20:12:09,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-18 20:12:09,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:12:09,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:12:09,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:09,575 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:09,582 INFO L748 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 9#L542true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#L535true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 150#L550true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 63#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 122#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 116#L902-2true [2022-11-18 20:12:09,583 INFO L750 eck$LassoCheckResult]: Loop: 116#L902-2true assume !false; 110#L903true assume test_~splverifierCounter~0#1 < 4; 19#L904true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 130#L912true assume !(0 != test_~tmp~9#1); 82#L912-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 139#L922true assume !(0 != test_~tmp___0~2#1); 71#L922-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 94#L932true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 99#L940true assume 0 != test_~tmp___1~0#1; 37#L940-2true assume { :begin_inline_timeShift } true; 53#L670true assume !(0 != ~pumpRunning~0); 7#L670-2true assume !(0 != ~systemActive~0); 151#L677-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 104#L603-1true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 90#L874true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 140#L874-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 60#L687true assume { :end_inline_timeShift } true; 116#L902-2true [2022-11-18 20:12:09,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:09,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 20:12:09,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:09,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65165124] [2022-11-18 20:12:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:09,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:09,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:09,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1422593666, now seen corresponding path program 1 times [2022-11-18 20:12:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:09,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664473365] [2022-11-18 20:12:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:09,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:09,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 490912062, now seen corresponding path program 1 times [2022-11-18 20:12:09,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:09,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709654831] [2022-11-18 20:12:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:09,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:12:10,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:12:10,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709654831] [2022-11-18 20:12:10,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709654831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:12:10,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:12:10,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:12:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062068546] [2022-11-18 20:12:10,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:12:10,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:12:10,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:12:10,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:12:10,650 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2022-11-18 20:12:10,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:12:10,766 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2022-11-18 20:12:10,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2022-11-18 20:12:10,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-18 20:12:10,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2022-11-18 20:12:10,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2022-11-18 20:12:10,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2022-11-18 20:12:10,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2022-11-18 20:12:10,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:12:10,784 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-18 20:12:10,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2022-11-18 20:12:10,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-11-18 20:12:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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) [2022-11-18 20:12:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2022-11-18 20:12:10,835 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-18 20:12:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:12:10,842 INFO L428 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-18 20:12:10,843 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:12:10,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2022-11-18 20:12:10,846 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-18 20:12:10,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:12:10,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:12:10,848 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:10,848 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:10,849 INFO L748 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 331#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 332#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 439#L550 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 412#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 413#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 411#L902-2 [2022-11-18 20:12:10,849 INFO L750 eck$LassoCheckResult]: Loop: 411#L902-2 assume !false; 445#L903 assume test_~splverifierCounter~0#1 < 4; 351#L904 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 352#L912 assume !(0 != test_~tmp~9#1); 427#L912-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 428#L922 assume !(0 != test_~tmp___0~2#1); 421#L922-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 422#L932 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 433#L862 assume { :end_inline_startSystem } true; 379#L940-2 assume { :begin_inline_timeShift } true; 380#L670 assume !(0 != ~pumpRunning~0); 326#L670-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 327#L728 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 419#L702-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 341#L694-3 assume { :end_inline_processEnvironment__wrappee__base } true; 342#L702-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 334#L728-1 assume { :end_inline_processEnvironment } true; 404#L677-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 444#L603-1 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 434#L874 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 398#L874-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 410#L687 assume { :end_inline_timeShift } true; 411#L902-2 [2022-11-18 20:12:10,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 20:12:10,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130112317] [2022-11-18 20:12:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1056591901, now seen corresponding path program 1 times [2022-11-18 20:12:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:10,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040207561] [2022-11-18 20:12:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:10,894 INFO L85 PathProgramCache]: Analyzing trace with hash 60250791, now seen corresponding path program 1 times [2022-11-18 20:12:10,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:10,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891435021] [2022-11-18 20:12:10,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:10,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:10,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:12:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:12,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:12:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:12:12,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:12:12 BoogieIcfgContainer [2022-11-18 20:12:12,289 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:12:12,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:12:12,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:12:12,291 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:12:12,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:12:09" (3/4) ... [2022-11-18 20:12:12,298 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:12:12,383 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:12:12,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:12:12,386 INFO L158 Benchmark]: Toolchain (without parser) took 4567.32ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 62.4MB in the beginning and 49.1MB in the end (delta: 13.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,386 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:12:12,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.25ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 72.9MB in the end (delta: -10.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.41ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,388 INFO L158 Benchmark]: Boogie Preprocessor took 72.96ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,389 INFO L158 Benchmark]: RCFGBuilder took 844.92ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 46.1MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,389 INFO L158 Benchmark]: BuchiAutomizer took 2863.89ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 45.7MB in the beginning and 51.2MB in the end (delta: -5.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,396 INFO L158 Benchmark]: Witness Printer took 94.50ms. Allocated memory is still 140.5MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:12:12,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.25ms. Allocated memory is still 104.9MB. Free memory was 62.1MB in the beginning and 72.9MB in the end (delta: -10.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.41ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.96ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.92ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 46.1MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 2863.89ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 45.7MB in the beginning and 51.2MB in the end (delta: -5.5MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 94.50ms. Allocated memory is still 140.5MB. Free memory was 51.2MB in the beginning and 49.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 183 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 902]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L560] int waterLevel = 1; [L663] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 902]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L560] int waterLevel = 1; [L663] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:12:12,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7edaf68-4475-4d87-bc4b-aec1a3ab38f7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)