./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa --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 a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:45:05,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:45:05,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:45:05,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:45:05,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:45:05,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:45:05,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:45:05,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:45:05,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:45:05,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:45:05,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:45:05,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:45:05,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:45:05,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:45:05,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:45:05,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:45:05,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:45:05,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:45:05,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:45:05,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:45:05,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:45:05,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:45:05,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:45:05,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:45:05,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:45:05,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:45:05,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:45:05,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:45:05,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:45:05,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:45:05,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:45:05,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:45:05,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:45:05,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:45:05,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:45:05,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:45:05,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:45:05,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:45:05,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:45:05,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:45:05,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:45:05,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 17:45:05,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:45:05,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:45:05,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:45:05,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:45:05,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:45:05,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:45:05,422 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:45:05,422 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:45:05,422 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:45:05,422 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:45:05,422 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:45:05,423 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:45:05,423 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:45:05,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:45:05,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:45:05,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:45:05,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:45:05,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:45:05,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:45:05,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:45:05,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:45:05,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:45:05,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:45:05,426 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:45:05,426 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_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a64b003b731919e31189fa64bb054d2c00bb1b0f73ef780cb3fb445d82092416 [2021-12-06 17:45:05,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:45:05,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:45:05,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:45:05,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:45:05,635 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:45:05,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-12-06 17:45:05,682 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/data/83ca36583/d8e397e19e154e4c93a5fb73ad1d7588/FLAG0d1869b2d [2021-12-06 17:45:06,122 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:45:06,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2021-12-06 17:45:06,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/data/83ca36583/d8e397e19e154e4c93a5fb73ad1d7588/FLAG0d1869b2d [2021-12-06 17:45:06,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/data/83ca36583/d8e397e19e154e4c93a5fb73ad1d7588 [2021-12-06 17:45:06,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:45:06,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:45:06,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:45:06,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:45:06,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:45:06,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ecaa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06, skipping insertion in model container [2021-12-06 17:45:06,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:45:06,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:45:06,295 WARN L230 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_42acc0b0-6c32-4592-b4b3-ce0408865292/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-12-06 17:45:06,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:45:06,373 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:45:06,384 WARN L230 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_42acc0b0-6c32-4592-b4b3-ce0408865292/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c[1605,1618] [2021-12-06 17:45:06,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:45:06,435 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:45:06,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06 WrapperNode [2021-12-06 17:45:06,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:45:06,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:45:06,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:45:06,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:45:06,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,487 INFO L137 Inliner]: procedures = 51, calls = 151, calls flagged for inlining = 48, calls inlined = 52, statements flattened = 399 [2021-12-06 17:45:06,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:45:06,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:45:06,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:45:06,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:45:06,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:45:06,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:45:06,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:45:06,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:45:06,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (1/1) ... [2021-12-06 17:45:06,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:45:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:45:06,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:45:06,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:45:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:45:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:45:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:45:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:45:06,635 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:45:06,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:45:06,829 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:45:06,836 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:45:06,837 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:45:06,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:06 BoogieIcfgContainer [2021-12-06 17:45:06,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:45:06,839 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:45:06,839 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:45:06,842 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:45:06,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:45:06,843 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:45:06" (1/3) ... [2021-12-06 17:45:06,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@226f11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:45:06, skipping insertion in model container [2021-12-06 17:45:06,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:45:06,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:06" (2/3) ... [2021-12-06 17:45:06,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@226f11d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:45:06, skipping insertion in model container [2021-12-06 17:45:06,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:45:06,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:06" (3/3) ... [2021-12-06 17:45:06,846 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2021-12-06 17:45:06,883 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:45:06,883 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:45:06,884 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:45:06,884 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:45:06,884 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:45:06,884 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:45:06,884 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:45:06,884 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:45:06,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2021-12-06 17:45:06,917 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2021-12-06 17:45:06,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:45:06,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:45:06,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:06,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:06,930 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:45:06,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2021-12-06 17:45:06,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2021-12-06 17:45:06,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:45:06,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:45:06,938 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:06,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:06,943 INFO L791 eck$LassoCheckResult]: Stem: 101#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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 26#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 100#L84true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 57#L77true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 93#L92true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 68#L184true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 76#L160true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 80#L764-2true [2021-12-06 17:45:06,943 INFO L793 eck$LassoCheckResult]: Loop: 80#L764-2true assume !false; 72#L765true assume test_~splverifierCounter~0#1 < 4; 6#L766true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 71#L774true assume !(0 != test_~tmp~6#1); 40#L774-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 98#L784true assume !(0 != test_~tmp___0~1#1); 47#L784-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 84#L794true assume 0 != test_~tmp___2~0#1; 77#L800-2true assume { :begin_inline_timeShift } true; 25#L613true assume !(0 != ~pumpRunning~0); 69#L613-2true assume !(0 != ~systemActive~0); 85#L620-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 56#L864-1true __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 74#L576true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 20#L582-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 67#L630true assume { :end_inline_timeShift } true; 80#L764-2true [2021-12-06 17:45:06,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-06 17:45:06,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:06,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249172026] [2021-12-06 17:45:06,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:06,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,074 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1841882474, now seen corresponding path program 1 times [2021-12-06 17:45:07,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306706841] [2021-12-06 17:45:07,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,136 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash -486463398, now seen corresponding path program 1 times [2021-12-06 17:45:07,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813875545] [2021-12-06 17:45:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:07,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:07,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813875545] [2021-12-06 17:45:07,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813875545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:07,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:07,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:45:07,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10521445] [2021-12-06 17:45:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:07,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:45:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:45:07,384 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-06 17:45:07,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:07,461 INFO L93 Difference]: Finished difference Result 269 states and 344 transitions. [2021-12-06 17:45:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:45:07,466 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 344 transitions. [2021-12-06 17:45:07,473 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 171 [2021-12-06 17:45:07,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 314 transitions. [2021-12-06 17:45:07,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2021-12-06 17:45:07,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2021-12-06 17:45:07,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 314 transitions. [2021-12-06 17:45:07,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:45:07,482 INFO L681 BuchiCegarLoop]: Abstraction has 239 states and 314 transitions. [2021-12-06 17:45:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 314 transitions. [2021-12-06 17:45:07,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 151. [2021-12-06 17:45:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 150 states have internal predecessors, (199), 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) [2021-12-06 17:45:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 199 transitions. [2021-12-06 17:45:07,508 INFO L704 BuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2021-12-06 17:45:07,509 INFO L587 BuchiCegarLoop]: Abstraction has 151 states and 199 transitions. [2021-12-06 17:45:07,509 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:45:07,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 199 transitions. [2021-12-06 17:45:07,511 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2021-12-06 17:45:07,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:45:07,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:45:07,511 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:07,511 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:07,512 INFO L791 eck$LassoCheckResult]: Stem: 483#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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 473#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 406#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 407#L92 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 428#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 429#L160 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 426#L764-2 [2021-12-06 17:45:07,512 INFO L793 eck$LassoCheckResult]: Loop: 426#L764-2 assume !false; 438#L765 assume test_~splverifierCounter~0#1 < 4; 402#L766 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 403#L774 assume !(0 != test_~tmp~6#1); 437#L774-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 480#L784 assume !(0 != test_~tmp___0~1#1); 481#L784-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 463#L794 assume 0 != test_~tmp___2~0#1; 423#L800-2 assume { :begin_inline_timeShift } true; 447#L613 assume !(0 != ~pumpRunning~0); 430#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 431#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 486#L637-1 assume { :end_inline_processEnvironment__wrappee__base } true; 433#L645-1 assume { :end_inline_processEnvironment } true; 466#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 404#L864-1 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 405#L576 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 441#L582-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 425#L630 assume { :end_inline_timeShift } true; 426#L764-2 [2021-12-06 17:45:07,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-06 17:45:07,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481879790] [2021-12-06 17:45:07,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,522 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1752598688, now seen corresponding path program 1 times [2021-12-06 17:45:07,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953693265] [2021-12-06 17:45:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,544 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,549 INFO L85 PathProgramCache]: Analyzing trace with hash 549544732, now seen corresponding path program 1 times [2021-12-06 17:45:07,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239316736] [2021-12-06 17:45:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:07,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:07,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239316736] [2021-12-06 17:45:07,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239316736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:07,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:07,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:45:07,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023692083] [2021-12-06 17:45:07,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:07,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:07,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:45:07,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:45:07,655 INFO L87 Difference]: Start difference. First operand 151 states and 199 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-12-06 17:45:07,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:07,755 INFO L93 Difference]: Finished difference Result 514 states and 680 transitions. [2021-12-06 17:45:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:45:07,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 514 states and 680 transitions. [2021-12-06 17:45:07,763 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 386 [2021-12-06 17:45:07,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 514 states to 514 states and 680 transitions. [2021-12-06 17:45:07,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 514 [2021-12-06 17:45:07,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 514 [2021-12-06 17:45:07,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 514 states and 680 transitions. [2021-12-06 17:45:07,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:45:07,773 INFO L681 BuchiCegarLoop]: Abstraction has 514 states and 680 transitions. [2021-12-06 17:45:07,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states and 680 transitions. [2021-12-06 17:45:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 295. [2021-12-06 17:45:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 1.2983050847457627) internal successors, (383), 294 states have internal predecessors, (383), 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) [2021-12-06 17:45:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 383 transitions. [2021-12-06 17:45:07,795 INFO L704 BuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2021-12-06 17:45:07,795 INFO L587 BuchiCegarLoop]: Abstraction has 295 states and 383 transitions. [2021-12-06 17:45:07,795 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:45:07,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 383 transitions. [2021-12-06 17:45:07,798 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 216 [2021-12-06 17:45:07,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:45:07,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:45:07,799 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:07,799 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:07,799 INFO L791 eck$LassoCheckResult]: Stem: 1185#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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1170#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1090#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1091#L92 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1112#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1113#L160 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1111#L764-2 [2021-12-06 17:45:07,800 INFO L793 eck$LassoCheckResult]: Loop: 1111#L764-2 assume !false; 1123#L765 assume test_~splverifierCounter~0#1 < 4; 1124#L766 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 1120#L774 assume !(0 != test_~tmp~6#1); 1122#L774-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1179#L784 assume !(0 != test_~tmp___0~1#1); 1180#L784-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1369#L794 assume 0 != test_~tmp___2~0#1; 1367#L800-2 assume { :begin_inline_timeShift } true; 1167#L613 assume !(0 != ~pumpRunning~0); 1114#L613-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1115#L645 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1201#L637-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1117#L645-1 assume { :end_inline_processEnvironment } true; 1175#L620-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1324#L864-1 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 1323#L576 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1322#L896 __utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 1320#L582 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1318#L582-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1110#L630 assume { :end_inline_timeShift } true; 1111#L764-2 [2021-12-06 17:45:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2021-12-06 17:45:07,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238613756] [2021-12-06 17:45:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,811 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash -618907693, now seen corresponding path program 1 times [2021-12-06 17:45:07,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134970997] [2021-12-06 17:45:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,830 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,837 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:07,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash -167238513, now seen corresponding path program 1 times [2021-12-06 17:45:07,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:07,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401750775] [2021-12-06 17:45:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:07,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,850 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:45:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:45:07,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:45:09,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:45:09 BoogieIcfgContainer [2021-12-06 17:45:09,607 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:45:09,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:45:09,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:45:09,608 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:45:09,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:06" (3/4) ... [2021-12-06 17:45:09,610 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 17:45:09,649 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:45:09,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:45:09,650 INFO L158 Benchmark]: Toolchain (without parser) took 3506.50ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 85.4MB in the end (delta: -26.9MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,651 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:45:09,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.87ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 62.8MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.93ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,652 INFO L158 Benchmark]: Boogie Preprocessor took 31.93ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,653 INFO L158 Benchmark]: RCFGBuilder took 317.86ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 41.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,654 INFO L158 Benchmark]: BuchiAutomizer took 2768.43ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 41.1MB in the beginning and 31.1MB in the end (delta: 10.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,654 INFO L158 Benchmark]: Witness Printer took 41.79ms. Allocated memory is still 113.2MB. Free memory was 31.1MB in the beginning and 85.4MB in the end (delta: -54.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-12-06 17:45:09,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.87ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 62.8MB in the end (delta: -4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.93ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.93ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 58.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.86ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 41.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2768.43ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 41.1MB in the beginning and 31.1MB in the end (delta: 10.0MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 41.79ms. Allocated memory is still 113.2MB. Free memory was 31.1MB in the beginning and 85.4MB in the end (delta: -54.3MB). Peak memory consumption was 3.4MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 295 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 307 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 295 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 901 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 901 mSDsluCounter, 1521 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1224 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 297 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 764]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e458871=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, retValue_acc=1, retValue_acc=0, methaneLevelCritical=0, tmp___0=1, \result=0, tmp=0, retValue_acc=1, \result=1, tmp___1=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3511e777=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d93578c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c8739e3=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52ce489c=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fa97655=0, tmp=1, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60ce71f6=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@483b970b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@785e0625=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 764]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L367] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L755] int splverifierCounter ; [L756] int tmp ; [L757] int tmp___0 ; [L758] int tmp___1 ; [L759] int tmp___2 ; [L762] splverifierCounter = 0 Loop: [L764] COND TRUE 1 [L766] COND TRUE splverifierCounter < 4 [L772] tmp = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp)) [L782] tmp___0 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___0)) [L792] tmp___2 = __VERIFIER_nondet_int() [L794] COND TRUE \read(tmp___2) [L809] CALL timeShift() [L613] COND FALSE !(\read(pumpRunning)) [L620] COND TRUE \read(systemActive) [L622] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] FCALL processEnvironment__wrappee__base() [L622] RET processEnvironment() [L628] CALL __utac_acc__Specification3_spec__1() [L568] int tmp ; [L569] int tmp___0 ; [L570] int tmp___1 ; [L574] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L574] RET, EXPR isMethaneLevelCritical() [L574] tmp = isMethaneLevelCritical() [L576] COND FALSE !(\read(tmp)) [L580] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L580] RET, EXPR getWaterLevel() [L580] tmp___0 = getWaterLevel() [L582] COND FALSE !(tmp___0 == 2) [L628] RET __utac_acc__Specification3_spec__1() [L809] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-06 17:45:09,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42acc0b0-6c32-4592-b4b3-ce0408865292/bin/uautomizer-DrprNOufMa/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)