./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF --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 e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:08:00,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:08:00,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:08:00,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:08:00,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:08:00,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:08:00,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:08:00,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:08:00,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:08:00,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:08:00,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:08:00,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:08:00,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:08:00,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:08:00,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:08:00,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:08:00,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:08:00,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:08:00,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:08:00,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:08:00,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:08:00,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:08:00,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:08:00,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:08:00,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:08:00,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:08:00,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:08:00,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:08:00,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:08:00,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:08:00,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:08:00,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:08:00,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:08:00,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:08:00,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:08:00,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:08:00,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:08:00,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:08:00,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:08:00,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:08:00,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:08:00,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:08:00,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:08:00,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:08:00,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:08:00,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:08:00,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:08:00,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:08:00,261 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:08:00,261 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:08:00,261 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:08:00,262 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:08:00,263 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:08:00,263 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:08:00,264 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:08:00,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:08:00,264 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:08:00,265 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:08:00,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:08:00,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:08:00,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:08:00,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:08:00,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:08:00,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:08:00,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:08:00,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:08:00,267 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:08:00,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:08:00,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:08:00,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:08:00,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:08:00,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:08:00,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:08:00,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:08:00,275 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:08:00,275 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_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-11-20 07:08:00,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:08:00,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:08:00,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:08:00,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:08:00,690 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:08:00,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-20 07:08:00,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/data/42f50dc9f/2d6ea72cc30b4524b241b75cc7f8a2c7/FLAGf206076c1 [2021-11-20 07:08:01,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:08:01,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-20 07:08:01,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/data/42f50dc9f/2d6ea72cc30b4524b241b75cc7f8a2c7/FLAGf206076c1 [2021-11-20 07:08:01,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/data/42f50dc9f/2d6ea72cc30b4524b241b75cc7f8a2c7 [2021-11-20 07:08:01,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:08:01,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:08:01,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:08:01,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:08:01,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:08:01,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:08:01" (1/1) ... [2021-11-20 07:08:01,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b61b4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:01, skipping insertion in model container [2021-11-20 07:08:01,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:08:01" (1/1) ... [2021-11-20 07:08:01,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:08:01,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:08:02,264 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_ab9b5411-3af7-4a8f-a53d-01c3c698309f/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-20 07:08:02,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:08:02,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:08:02,432 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_ab9b5411-3af7-4a8f-a53d-01c3c698309f/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-20 07:08:02,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:08:02,475 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:08:02,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02 WrapperNode [2021-11-20 07:08:02,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:08:02,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:08:02,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:08:02,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:08:02,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,561 INFO L137 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 45, calls inlined = 36, statements flattened = 304 [2021-11-20 07:08:02,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:08:02,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:08:02,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:08:02,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:08:02,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:08:02,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:08:02,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:08:02,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:08:02,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (1/1) ... [2021-11-20 07:08:02,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:08:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:08:02,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:08:02,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:08:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:08:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:08:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:08:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:08:02,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:08:02,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:08:03,234 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:08:03,243 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:08:03,244 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:08:03,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:08:03 BoogieIcfgContainer [2021-11-20 07:08:03,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:08:03,248 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:08:03,248 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:08:03,252 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:08:03,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:08:03,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:08:01" (1/3) ... [2021-11-20 07:08:03,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519f080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:08:03, skipping insertion in model container [2021-11-20 07:08:03,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:08:03,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:08:02" (2/3) ... [2021-11-20 07:08:03,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519f080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:08:03, skipping insertion in model container [2021-11-20 07:08:03,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:08:03,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:08:03" (3/3) ... [2021-11-20 07:08:03,257 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-11-20 07:08:03,332 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:08:03,332 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:08:03,332 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:08:03,332 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:08:03,332 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:08:03,332 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:08:03,332 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:08:03,333 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:08:03,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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) [2021-11-20 07:08:03,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-11-20 07:08:03,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:08:03,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:08:03,384 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,384 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,384 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:08:03,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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) [2021-11-20 07:08:03,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-11-20 07:08:03,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:08:03,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:08:03,394 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,395 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,401 INFO L791 eck$LassoCheckResult]: Stem: 72#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 57#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 37#L441true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L434true 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; 3#L449true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 68#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 29#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 52#L861true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 19#L569-2true [2021-11-20 07:08:03,402 INFO L793 eck$LassoCheckResult]: Loop: 19#L569-2true assume !false; 55#L570true assume test_~splverifierCounter~0#1 < 4; 74#L571true test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 17#L579true assume !(0 != test_~tmp~4#1); 65#L579-2true test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 20#L589true assume !(0 != test_~tmp___0~0#1); 82#L589-2true test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 81#L599true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 44#L761true assume { :end_inline_startSystem } true; 79#L607-2true assume { :begin_inline_timeShift } true; 66#L642true assume !(0 != ~pumpRunning~0); 54#L642-2true assume !(0 != ~systemActive~0); 7#L649-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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; 32#L818true __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 25#L872true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 5#L872-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 47#L659true assume { :end_inline_timeShift } true; 19#L569-2true [2021-11-20 07:08:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-20 07:08:03,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546264377] [2021-11-20 07:08:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:03,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:03,568 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:08:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:03,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:08:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:03,643 INFO L85 PathProgramCache]: Analyzing trace with hash 562269129, now seen corresponding path program 1 times [2021-11-20 07:08:03,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:03,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289789117] [2021-11-20 07:08:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:03,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:08:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:08:03,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:08:03,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289789117] [2021-11-20 07:08:03,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289789117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:08:03,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:08:03,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:08:03,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141028369] [2021-11-20 07:08:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:08:03,731 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 07:08:03,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:08:03,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:08:03,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:08:03,772 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-20 07:08:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:08:03,835 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2021-11-20 07:08:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:08:03,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2021-11-20 07:08:03,851 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-11-20 07:08:03,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 132 states and 175 transitions. [2021-11-20 07:08:03,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2021-11-20 07:08:03,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2021-11-20 07:08:03,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 175 transitions. [2021-11-20 07:08:03,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:08:03,865 INFO L681 BuchiCegarLoop]: Abstraction has 132 states and 175 transitions. [2021-11-20 07:08:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 175 transitions. [2021-11-20 07:08:03,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2021-11-20 07:08:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 128 states have internal predecessors, (171), 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) [2021-11-20 07:08:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2021-11-20 07:08:03,912 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2021-11-20 07:08:03,912 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2021-11-20 07:08:03,912 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:08:03,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 171 transitions. [2021-11-20 07:08:03,916 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2021-11-20 07:08:03,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:08:03,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:08:03,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:08:03,926 INFO L791 eck$LassoCheckResult]: Stem: 333#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 327#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 301#L441 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 287#L434 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; 245#L449 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 246#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 288#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 289#L861 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 313#L569-2 [2021-11-20 07:08:03,926 INFO L793 eck$LassoCheckResult]: Loop: 313#L569-2 assume !false; 323#L570 assume test_~splverifierCounter~0#1 < 4; 324#L571 test_~tmp~4#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 372#L579 assume !(0 != test_~tmp~4#1); 370#L579-2 test_~tmp___0~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 368#L589 assume !(0 != test_~tmp___0~0#1); 366#L589-2 test_~tmp___2~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 365#L599 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 320#L607 assume !(0 != test_~tmp___1~0#1); 309#L607-2 assume { :begin_inline_timeShift } true; 337#L642 assume !(0 != ~pumpRunning~0); 321#L642-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 322#L666 assume { :end_inline_processEnvironment } true; 362#L649-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#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; 294#L818 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 283#L872 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 285#L872-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 312#L659 assume { :end_inline_timeShift } true; 313#L569-2 [2021-11-20 07:08:03,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:03,928 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-20 07:08:03,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:03,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856494551] [2021-11-20 07:08:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:03,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:03,983 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:08:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:04,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:08:04,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1256739191, now seen corresponding path program 1 times [2021-11-20 07:08:04,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:04,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613613573] [2021-11-20 07:08:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:04,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:04,038 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:08:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:04,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:08:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:08:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1698875698, now seen corresponding path program 1 times [2021-11-20 07:08:04,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:08:04,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319038526] [2021-11-20 07:08:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:08:04,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:08:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:04,074 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:08:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:08:04,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:08:08,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:08:08 BoogieIcfgContainer [2021-11-20 07:08:08,171 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:08:08,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:08:08,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:08:08,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:08:08,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:08:03" (3/4) ... [2021-11-20 07:08:08,175 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 07:08:08,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:08:08,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:08:08,317 INFO L158 Benchmark]: Toolchain (without parser) took 6552.06ms. Allocated memory was 102.8MB in the beginning and 163.6MB in the end (delta: 60.8MB). Free memory was 69.5MB in the beginning and 134.5MB in the end (delta: -65.0MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,318 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:08:08,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.28ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 69.8MB in the end (delta: -610.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.53ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 67.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,323 INFO L158 Benchmark]: Boogie Preprocessor took 65.92ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 65.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,324 INFO L158 Benchmark]: RCFGBuilder took 617.10ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 109.0MB in the end (delta: -43.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,325 INFO L158 Benchmark]: BuchiAutomizer took 4923.46ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 108.8MB in the beginning and 44.4MB in the end (delta: 64.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,326 INFO L158 Benchmark]: Witness Printer took 144.74ms. Allocated memory is still 163.6MB. Free memory was 44.4MB in the beginning and 134.5MB in the end (delta: -90.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:08:08,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.28ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 69.8MB in the end (delta: -610.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.53ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 67.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.92ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 65.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 617.10ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 109.0MB in the end (delta: -43.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4923.46ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 108.8MB in the beginning and 44.4MB in the end (delta: 64.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 144.74ms. Allocated memory is still 163.6MB. Free memory was 44.4MB in the beginning and 134.5MB in the end (delta: -90.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 102 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 569]: 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@354c101a=0, retValue_acc=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57855f9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eb49ada=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@161502f0=0, methaneLevelCritical=0, tmp=0, \result=0, \result=1, retValue_acc=1, retValue_acc=0, tmp___2=0, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@336d9fbb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cd03042=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@365e7eb4=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 569]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L860] methAndRunningLastTime = 0 [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND FALSE !(\read(tmp___2)) [L605] tmp___1 = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp___1)) [L616] CALL timeShift() [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L651] FCALL processEnvironment() [L657] CALL __utac_acc__Specification2_spec__2() [L865] int tmp ; [L866] int tmp___0 ; [L870] CALL, EXPR isMethaneLevelCritical() [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] RET, EXPR isMethaneLevelCritical() [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 [L657] RET __utac_acc__Specification2_spec__2() [L616] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 07:08:08,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab9b5411-3af7-4a8f-a53d-01c3c698309f/bin/uautomizer-DQz5hQGWxF/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)