./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/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_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU --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-9ad7fb2 [2021-11-02 23:11:20,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:11:20,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:11:20,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:11:20,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:11:20,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:11:20,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:11:20,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:11:20,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:11:20,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:11:20,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:11:20,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:11:20,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:11:20,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:11:20,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:11:20,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:11:20,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:11:20,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:11:20,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:11:20,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:11:20,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:11:20,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:11:20,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:11:20,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:11:20,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:11:20,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:11:20,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:11:20,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:11:20,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:11:20,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:11:20,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:11:20,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:11:20,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:11:20,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:11:20,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:11:20,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:11:20,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:11:20,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:11:20,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:11:20,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:11:20,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:11:20,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 23:11:20,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:11:20,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:11:20,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:11:20,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:11:20,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:11:20,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:11:20,427 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:11:20,428 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 23:11:20,428 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 23:11:20,428 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 23:11:20,429 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 23:11:20,430 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 23:11:20,430 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 23:11:20,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:11:20,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 23:11:20,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 23:11:20,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:11:20,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 23:11:20,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:11:20,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 23:11:20,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 23:11:20,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 23:11:20,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 23:11:20,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:11:20,432 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 23:11:20,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:11:20,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 23:11:20,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:11:20,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:11:20,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:11:20,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:11:20,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:11:20,436 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 23:11:20,437 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_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-11-02 23:11:20,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:11:20,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:11:20,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:11:20,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:11:20,741 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:11:20,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-02 23:11:20,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/data/aa4de536c/8e2e6a6f18ea4fcc977d02d8bc2cc1aa/FLAG828e96784 [2021-11-02 23:11:21,353 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:11:21,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-11-02 23:11:21,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/data/aa4de536c/8e2e6a6f18ea4fcc977d02d8bc2cc1aa/FLAG828e96784 [2021-11-02 23:11:21,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/data/aa4de536c/8e2e6a6f18ea4fcc977d02d8bc2cc1aa [2021-11-02 23:11:21,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:11:21,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:11:21,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:11:21,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:11:21,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:11:21,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:21" (1/1) ... [2021-11-02 23:11:21,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5007677b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:21, skipping insertion in model container [2021-11-02 23:11:21,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:11:21" (1/1) ... [2021-11-02 23:11:21,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:11:21,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:11:22,041 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-02 23:11:22,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:11:22,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:11:22,132 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-11-02 23:11:22,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:11:22,185 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:11:22,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22 WrapperNode [2021-11-02 23:11:22,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:11:22,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:11:22,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:11:22,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:11:22,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:11:22,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:11:22,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:11:22,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:11:22,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:11:22,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:11:22,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:11:22,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:11:22,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (1/1) ... [2021-11-02 23:11:22,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:11:22,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:11:22,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:11:22,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 23:11:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 23:11:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 23:11:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:11:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:11:23,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:11:23,199 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-11-02 23:11:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:23 BoogieIcfgContainer [2021-11-02 23:11:23,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:11:23,202 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 23:11:23,202 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 23:11:23,210 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 23:11:23,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:11:23,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 11:11:21" (1/3) ... [2021-11-02 23:11:23,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6375c1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:11:23, skipping insertion in model container [2021-11-02 23:11:23,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:11:23,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:11:22" (2/3) ... [2021-11-02 23:11:23,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6375c1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:11:23, skipping insertion in model container [2021-11-02 23:11:23,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:11:23,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:23" (3/3) ... [2021-11-02 23:11:23,215 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-11-02 23:11:23,276 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 23:11:23,276 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 23:11:23,276 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 23:11:23,276 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 23:11:23,277 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 23:11:23,277 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 23:11:23,277 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 23:11:23,277 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 23:11:23,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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) [2021-11-02 23:11:23,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-11-02 23:11:23,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:11:23,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:11:23,339 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:23,339 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:23,339 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 23:11:23,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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) [2021-11-02 23:11:23,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-11-02 23:11:23,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:11:23,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:11:23,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:23,347 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:11:23,352 INFO L791 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 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; 43#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 25#L441true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3#L449true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 50#L543true assume 0 != main_~tmp~3; 19#L517true ~methAndRunningLastTime~0 := 0; 37#L861true havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4#L872-1true [2021-11-02 23:11:23,353 INFO L793 eck$LassoCheckResult]: Loop: 4#L872-1true assume !false; 41#L570true assume test_~splverifierCounter~0 < 4; 53#L571true test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 12#L579true assume !(0 != test_~tmp~4); 10#L579-1true test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 13#L589true assume !(0 != test_~tmp___0~0); 39#L589-1true test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 59#L599true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 49#L607-1true assume !(0 != ~pumpRunning~0); 47#L642true assume 0 != ~systemActive~0; 60#L649true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 21#L818true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 16#L872true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 4#L872-1true [2021-11-02 23:11:23,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-11-02 23:11:23,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:23,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297614960] [2021-11-02 23:11:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:23,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:23,649 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:11:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:23,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:11:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:23,867 INFO L85 PathProgramCache]: Analyzing trace with hash 11252535, now seen corresponding path program 1 times [2021-11-02 23:11:23,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:23,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532554803] [2021-11-02 23:11:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:23,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:23,887 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:11:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:23,896 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:11:23,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:11:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash 844549041, now seen corresponding path program 1 times [2021-11-02 23:11:23,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:11:23,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950092435] [2021-11-02 23:11:23,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:11:23,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:11:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:23,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:11:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:11:24,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:12:25,659 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-11-02 23:13:33,006 WARN L207 SmtUtils]: Spent 35.61 s on a formula simplification that was a NOOP. DAG size: 435 [2021-11-02 23:13:33,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 11:13:33 BoogieIcfgContainer [2021-11-02 23:13:33,286 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 23:13:33,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 23:13:33,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 23:13:33,288 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 23:13:33,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:11:23" (3/4) ... [2021-11-02 23:13:33,292 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-02 23:13:33,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 23:13:33,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 23:13:33,418 INFO L168 Benchmark]: Toolchain (without parser) took 131734.66 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 67.4 MB in the beginning and 61.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,419 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 23:13:33,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.22 ms. Allocated memory is still 102.8 MB. Free memory was 67.1 MB in the beginning and 70.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.16 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 68.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,422 INFO L168 Benchmark]: Boogie Preprocessor took 66.80 ms. Allocated memory is still 102.8 MB. Free memory was 68.0 MB in the beginning and 65.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,423 INFO L168 Benchmark]: RCFGBuilder took 882.71 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.9 MB in the beginning and 89.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,423 INFO L168 Benchmark]: BuchiAutomizer took 130084.61 ms. Allocated memory is still 123.7 MB. Free memory was 89.6 MB in the beginning and 63.1 MB in the end (delta: 26.5 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,424 INFO L168 Benchmark]: Witness Printer took 129.38 ms. Allocated memory is still 123.7 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 23:13:33,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory was 74.5 MB in the beginning and 74.4 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.22 ms. Allocated memory is still 102.8 MB. Free memory was 67.1 MB in the beginning and 70.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.16 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 68.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.80 ms. Allocated memory is still 102.8 MB. Free memory was 68.0 MB in the beginning and 65.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 882.71 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.9 MB in the beginning and 89.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 130084.61 ms. Allocated memory is still 123.7 MB. Free memory was 89.6 MB in the beginning and 63.1 MB in the end (delta: 26.5 MB). Peak memory consumption was 64.9 MB. Max. memory is 16.1 GB. * Witness Printer took 129.38 ms. Allocated memory is still 123.7 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 129.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 129.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 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 {NULL=0, NULL=0, NULL=0, NULL=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@93e7c88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22344b8f=85, NULL=0, NULL=29096, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15340288=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fc0d527=0, NULL=29091, NULL=29111, NULL=29109, methaneLevelCritical=0, NULL=29105, tmp=0, NULL=0, NULL=0, NULL=29087, tmp___1=0, NULL=29090, NULL=0, NULL=0, NULL=29099, NULL=29110, NULL=29089, cleanupTimeShifts=4, NULL=29086, NULL=29107, NULL=29095, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=29092, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5254fe7f=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=29102, NULL=0, NULL=0, NULL=29104, \result=1, head=0, pumpRunning=0, \result=0, NULL=29100, tmp=1, NULL=29101, NULL=0, NULL=29098, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c1a05bf=0, NULL=0, NULL=29112, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65d019f8=0, retValue_acc=1, NULL=0, NULL=0, NULL=29094, tmp___2=85, tmp___0=0, NULL=29088, NULL=29106, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=29103, NULL=29097, head=0, NULL=0, NULL=0, NULL=29093, NULL=0, NULL=0, NULL=29108, NULL=29113, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: 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 ; [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L860] methAndRunningLastTime = 0 [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 TRUE \read(tmp___2) [L760] systemActive = 1 [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L865] int tmp ; [L866] int tmp___0 ; [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-02 23:13:33,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff756de4-79df-4a2f-94b4-76f2ab779382/bin/uautomizer-tBqnrhUYjU/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)