./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0 --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 da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:51:13,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:51:13,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:51:13,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:51:13,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:51:13,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:51:13,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:51:13,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:51:13,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:51:13,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:51:13,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:51:13,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:51:13,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:51:13,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:51:13,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:51:13,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:51:13,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:51:13,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:51:13,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:51:13,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:51:13,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:51:13,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:51:13,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:51:13,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:51:13,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:51:13,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:51:13,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:51:13,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:51:13,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:51:13,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:51:13,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:51:13,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:51:13,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:51:13,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:51:13,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:51:13,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:51:13,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:51:13,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:51:13,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:51:13,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:51:13,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:51:13,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 14:51:13,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:51:13,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:51:13,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:51:13,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:51:13,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:51:13,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:51:13,658 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:51:13,658 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:51:13,659 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:51:13,659 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:51:13,660 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:51:13,660 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:51:13,660 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:51:13,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:51:13,661 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:51:13,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:51:13,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:51:13,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:51:13,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:51:13,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:51:13,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:51:13,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:51:13,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:51:13,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:51:13,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:51:13,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:51:13,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:51:13,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:51:13,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:51:13,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:51:13,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:51:13,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:51:13,669 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:51:13,669 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_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da786641c6f5791cd76909be3af2b92112e50156e91d6775689240586eed4e85 [2021-11-22 14:51:13,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:51:13,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:51:13,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:51:13,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:51:13,995 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:51:13,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2021-11-22 14:51:14,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/data/099214fb6/abc390761e974c30a6ae438f2deb8679/FLAG0cea48fcf [2021-11-22 14:51:14,620 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:51:14,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c [2021-11-22 14:51:14,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/data/099214fb6/abc390761e974c30a6ae438f2deb8679/FLAG0cea48fcf [2021-11-22 14:51:14,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/data/099214fb6/abc390761e974c30a6ae438f2deb8679 [2021-11-22 14:51:14,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:51:14,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:51:14,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:51:14,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:51:14,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:51:14,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:51:14" (1/1) ... [2021-11-22 14:51:14,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606e6065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:14, skipping insertion in model container [2021-11-22 14:51:14,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:51:14" (1/1) ... [2021-11-22 14:51:14,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:51:14,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:51:15,297 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_0a229db4-6fd4-4111-b8c2-c838507d8c2c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15806,15819] [2021-11-22 14:51:15,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:51:15,328 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:51:15,409 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_0a229db4-6fd4-4111-b8c2-c838507d8c2c/sv-benchmarks/c/product-lines/minepump_spec4_product44.cil.c[15806,15819] [2021-11-22 14:51:15,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:51:15,454 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:51:15,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15 WrapperNode [2021-11-22 14:51:15,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:51:15,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:51:15,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:51:15,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:51:15,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,554 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 51, calls inlined = 59, statements flattened = 462 [2021-11-22 14:51:15,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:51:15,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:51:15,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:51:15,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:51:15,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:51:15,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:51:15,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:51:15,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:51:15,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (1/1) ... [2021-11-22 14:51:15,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:51:15,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:51:15,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:51:15,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:51:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:51:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:51:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:51:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:51:15,761 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:51:15,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:51:16,100 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:51:16,108 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:51:16,109 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 14:51:16,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:51:16 BoogieIcfgContainer [2021-11-22 14:51:16,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:51:16,112 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:51:16,112 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:51:16,115 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:51:16,116 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:51:16,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:51:14" (1/3) ... [2021-11-22 14:51:16,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6e2534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:51:16, skipping insertion in model container [2021-11-22 14:51:16,117 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:51:16,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:51:15" (2/3) ... [2021-11-22 14:51:16,118 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a6e2534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:51:16, skipping insertion in model container [2021-11-22 14:51:16,118 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:51:16,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:51:16" (3/3) ... [2021-11-22 14:51:16,120 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2021-11-22 14:51:16,179 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:51:16,179 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:51:16,179 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:51:16,180 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:51:16,180 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:51:16,180 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:51:16,180 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:51:16,180 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:51:16,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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) [2021-11-22 14:51:16,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-11-22 14:51:16,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:51:16,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:51:16,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:16,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:16,267 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:51:16,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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) [2021-11-22 14:51:16,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2021-11-22 14:51:16,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:51:16,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:51:16,286 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:16,287 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:16,298 INFO L791 eck$LassoCheckResult]: Stem: 113#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 98#L470true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33#L463true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 120#L478true main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 118#L849true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 46#L826true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 50#L499-2true [2021-11-22 14:51:16,299 INFO L793 eck$LassoCheckResult]: Loop: 50#L499-2true assume !false; 111#L500true assume test_~splverifierCounter~0#1 < 4; 44#L501true test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 41#L509true assume !(0 != test_~tmp~4#1); 74#L509-2true test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 78#L519true assume !(0 != test_~tmp___0~1#1); 55#L519-2true test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 83#L529true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 77#L537true assume !(0 != test_~tmp___1~0#1); 87#L537-2true assume { :begin_inline_timeShift } true; 97#L572true assume !(0 != ~pumpRunning~0); 19#L572-2true assume !(0 != ~systemActive~0); 8#L579-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 107#L938true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 65#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 103#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 11#L589true assume { :end_inline_timeShift } true; 50#L499-2true [2021-11-22 14:51:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-22 14:51:16,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:16,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246095746] [2021-11-22 14:51:16,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:16,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:16,486 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:16,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1883753039, now seen corresponding path program 1 times [2021-11-22 14:51:16,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:16,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375029766] [2021-11-22 14:51:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:16,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:16,554 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:16,573 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:16,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash 952071435, now seen corresponding path program 1 times [2021-11-22 14:51:16,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:16,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110641640] [2021-11-22 14:51:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:16,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:51:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:51:16,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:51:16,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110641640] [2021-11-22 14:51:16,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110641640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:51:16,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:51:16,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 14:51:16,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138828190] [2021-11-22 14:51:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:51:16,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:51:16,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:51:16,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:51:16,902 INFO L87 Difference]: Start difference. First operand has 122 states, 121 states have (on average 1.3636363636363635) internal successors, (165), 121 states have internal predecessors, (165), 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) [2021-11-22 14:51:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:51:17,111 INFO L93 Difference]: Finished difference Result 405 states and 521 transitions. [2021-11-22 14:51:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 14:51:17,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 405 states and 521 transitions. [2021-11-22 14:51:17,124 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 262 [2021-11-22 14:51:17,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 405 states to 365 states and 481 transitions. [2021-11-22 14:51:17,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2021-11-22 14:51:17,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2021-11-22 14:51:17,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 481 transitions. [2021-11-22 14:51:17,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:51:17,155 INFO L681 BuchiCegarLoop]: Abstraction has 365 states and 481 transitions. [2021-11-22 14:51:17,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 481 transitions. [2021-11-22 14:51:17,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 161. [2021-11-22 14:51:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.3167701863354038) internal successors, (212), 160 states have internal predecessors, (212), 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) [2021-11-22 14:51:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2021-11-22 14:51:17,197 INFO L704 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2021-11-22 14:51:17,197 INFO L587 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2021-11-22 14:51:17,197 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:51:17,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 212 transitions. [2021-11-22 14:51:17,200 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 115 [2021-11-22 14:51:17,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:51:17,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:51:17,201 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:17,201 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] [2021-11-22 14:51:17,202 INFO L791 eck$LassoCheckResult]: Stem: 653#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 589#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 590#L470 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 591#L463 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 592#L478 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 654#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 613#L826 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 561#L499-2 [2021-11-22 14:51:17,202 INFO L793 eck$LassoCheckResult]: Loop: 561#L499-2 assume !false; 617#L500 assume test_~splverifierCounter~0#1 < 4; 609#L501 test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 604#L509 assume !(0 != test_~tmp~4#1); 546#L509-2 test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 645#L519 assume !(0 != test_~tmp___0~1#1); 623#L519-2 test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 624#L529 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 549#L754 assume { :end_inline_startSystem } true; 550#L537-2 assume { :begin_inline_timeShift } true; 650#L572 assume !(0 != ~pumpRunning~0); 566#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 571#L604 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 602#L596-1 assume { :end_inline_processEnvironment__wrappee__base } true; 564#L604-1 assume { :end_inline_processEnvironment } true; 553#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 554#L938 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 636#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 637#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 560#L589 assume { :end_inline_timeShift } true; 561#L499-2 [2021-11-22 14:51:17,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-22 14:51:17,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:17,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017027331] [2021-11-22 14:51:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:17,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,223 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:17,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:17,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1290334515, now seen corresponding path program 1 times [2021-11-22 14:51:17,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:17,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553238753] [2021-11-22 14:51:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:17,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:51:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:51:17,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:51:17,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553238753] [2021-11-22 14:51:17,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553238753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:51:17,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:51:17,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:51:17,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7091579] [2021-11-22 14:51:17,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:51:17,289 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-22 14:51:17,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:51:17,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:51:17,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:51:17,290 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-22 14:51:17,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 14:51:17,367 INFO L93 Difference]: Finished difference Result 212 states and 267 transitions. [2021-11-22 14:51:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:51:17,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 267 transitions. [2021-11-22 14:51:17,372 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2021-11-22 14:51:17,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 212 states and 267 transitions. [2021-11-22 14:51:17,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212 [2021-11-22 14:51:17,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2021-11-22 14:51:17,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 267 transitions. [2021-11-22 14:51:17,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:51:17,381 INFO L681 BuchiCegarLoop]: Abstraction has 212 states and 267 transitions. [2021-11-22 14:51:17,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 267 transitions. [2021-11-22 14:51:17,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-11-22 14:51:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.259433962264151) internal successors, (267), 211 states have internal predecessors, (267), 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) [2021-11-22 14:51:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 267 transitions. [2021-11-22 14:51:17,412 INFO L704 BuchiCegarLoop]: Abstraction has 212 states and 267 transitions. [2021-11-22 14:51:17,412 INFO L587 BuchiCegarLoop]: Abstraction has 212 states and 267 transitions. [2021-11-22 14:51:17,412 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-22 14:51:17,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 267 transitions. [2021-11-22 14:51:17,414 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 155 [2021-11-22 14:51:17,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:51:17,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:51:17,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:17,417 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, 1, 1, 1, 1, 1] [2021-11-22 14:51:17,418 INFO L791 eck$LassoCheckResult]: Stem: 1052#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 969#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~8#1, main_~tmp~8#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 970#L470 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 971#L463 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 972#L478 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 1054#L849 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 992#L826 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 993#L499-2 [2021-11-22 14:51:17,419 INFO L793 eck$LassoCheckResult]: Loop: 993#L499-2 assume !false; 1049#L500 assume test_~splverifierCounter~0#1 < 4; 1050#L501 test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1119#L509 assume !(0 != test_~tmp~4#1); 1117#L509-2 test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 1115#L519 assume !(0 != test_~tmp___0~1#1); 1113#L519-2 test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 1112#L529 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 928#L754 assume { :end_inline_startSystem } true; 929#L537-2 assume { :begin_inline_timeShift } true; 1037#L572 assume !(0 != ~pumpRunning~0); 949#L572-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 950#L604 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret45#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 981#L946 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 964#L951 isHighWaterLevel_#t~ret45#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret45#1;havoc isHighWaterLevel_#t~ret45#1; 951#L724 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 934#L724-2 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 935#L730 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 1001#L608 assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 980#L596 assume { :end_inline_processEnvironment__wrappee__base } true; 942#L604-1 assume { :end_inline_processEnvironment } true; 932#L579-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 933#L938 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1016#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1017#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1106#L589 assume { :end_inline_timeShift } true; 993#L499-2 [2021-11-22 14:51:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:17,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2021-11-22 14:51:17,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:17,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064457423] [2021-11-22 14:51:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:17,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,448 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,496 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:17,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:17,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1659291867, now seen corresponding path program 1 times [2021-11-22 14:51:17,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:17,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692492448] [2021-11-22 14:51:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:17,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,515 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:17,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:17,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1532850591, now seen corresponding path program 1 times [2021-11-22 14:51:17,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:17,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279573858] [2021-11-22 14:51:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:17,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,558 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:51:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:51:17,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:51:20,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:51:20 BoogieIcfgContainer [2021-11-22 14:51:20,980 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:51:20,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:51:20,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:51:20,981 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:51:20,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:51:16" (3/4) ... [2021-11-22 14:51:20,984 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-22 14:51:21,040 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:51:21,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:51:21,041 INFO L158 Benchmark]: Toolchain (without parser) took 6117.96ms. Allocated memory was 94.4MB in the beginning and 163.6MB in the end (delta: 69.2MB). Free memory was 59.6MB in the beginning and 68.0MB in the end (delta: -8.3MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,041 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:51:21,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.84ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 59.3MB in the beginning and 103.4MB in the end (delta: -44.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.56ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 100.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,043 INFO L158 Benchmark]: Boogie Preprocessor took 54.03ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,044 INFO L158 Benchmark]: RCFGBuilder took 499.47ms. Allocated memory is still 136.3MB. Free memory was 98.4MB in the beginning and 79.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,044 INFO L158 Benchmark]: BuchiAutomizer took 4868.32ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 79.6MB in the beginning and 71.1MB in the end (delta: 8.5MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,045 INFO L158 Benchmark]: Witness Printer took 59.34ms. Allocated memory is still 163.6MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 14:51:21,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 52.9MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.84ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 59.3MB in the beginning and 103.4MB in the end (delta: -44.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.56ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 100.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.03ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.47ms. Allocated memory is still 136.3MB. Free memory was 98.4MB in the beginning and 79.6MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4868.32ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 79.6MB in the beginning and 71.1MB in the end (delta: 8.5MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Witness Printer took 59.34ms. Allocated memory is still 163.6MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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 212 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 204 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 212 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 817 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 817 mSDsluCounter, 1355 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1063 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 292 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 499]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27e1e51e=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@702ab238=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f1686fb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73056b55=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77a16d75=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5096dcc9=0, NULL=1, tmp___0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26e1f24b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26d2b2cc=0, methaneLevelCritical=0, retValue_acc=1, retValue_acc=1, \result=1, tmp=1, retValue_acc=0, \result=1, retValue_acc=1, tmp=1, tmp=1, tmp___2=29, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bf99b40=0, \result=0, tmp=0, head=0, \result=1, tmp___1=0, retValue_acc=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, \result=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 499]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L565] int pumpRunning = 0; [L566] int systemActive = 1; [L767] int cleanupTimeShifts = 4; [L863] int waterLevel = 1; [L864] int methaneLevelCritical = 0; [L840] int retValue_acc ; [L841] int tmp ; [L845] FCALL select_helpers() [L846] FCALL select_features() [L847] CALL, EXPR valid_product() [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); [L847] RET, EXPR valid_product() [L847] tmp = valid_product() [L849] COND TRUE \read(tmp) [L851] FCALL setup() [L852] CALL runTest() [L834] CALL test() [L490] int splverifierCounter ; [L491] int tmp ; [L492] int tmp___0 ; [L493] int tmp___1 ; [L494] int tmp___2 ; [L497] splverifierCounter = 0 Loop: [L499] COND TRUE 1 [L501] COND TRUE splverifierCounter < 4 [L507] tmp = __VERIFIER_nondet_int() [L509] COND FALSE !(\read(tmp)) [L517] tmp___0 = __VERIFIER_nondet_int() [L519] COND FALSE !(\read(tmp___0)) [L527] tmp___2 = __VERIFIER_nondet_int() [L529] COND TRUE \read(tmp___2) [L531] CALL startSystem() [L753] systemActive = 1 [L531] RET startSystem() [L546] CALL timeShift() [L572] COND FALSE !(\read(pumpRunning)) [L579] COND TRUE \read(systemActive) [L581] CALL processEnvironment() [L601] int tmp ; [L604] COND TRUE ! pumpRunning [L606] CALL, EXPR isHighWaterLevel() [L716] int retValue_acc ; [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isHighWaterSensorDry() [L943] int retValue_acc ; [L946] COND TRUE waterLevel < 2 [L947] retValue_acc = 1 [L948] return (retValue_acc); [L722] RET, EXPR isHighWaterSensorDry() [L722] tmp = isHighWaterSensorDry() [L724] COND TRUE \read(tmp) [L725] tmp___0 = 0 [L729] retValue_acc = tmp___0 [L730] return (retValue_acc); [L606] RET, EXPR isHighWaterLevel() [L606] tmp = isHighWaterLevel() [L608] COND FALSE !(\read(tmp)) [L614] FCALL processEnvironment__wrappee__base() [L581] RET processEnvironment() [L587] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L934] int retValue_acc ; [L937] retValue_acc = waterLevel [L938] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L587] RET __utac_acc__Specification4_spec__1() [L546] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 14:51:21,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a229db4-6fd4-4111-b8c2-c838507d8c2c/bin/uautomizer-w2VwFs6gM0/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)