./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg --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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:54:02,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:54:02,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:54:02,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:54:02,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:54:02,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:54:02,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:54:02,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:54:02,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:54:02,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:54:02,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:54:02,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:54:02,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:54:02,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:54:02,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:54:02,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:54:02,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:54:02,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:54:02,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:54:02,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:54:02,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:54:02,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:54:02,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:54:02,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:54:02,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:54:02,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:54:02,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:54:02,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:54:02,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:54:02,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:54:02,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:54:02,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:54:02,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:54:02,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:54:02,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:54:02,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:54:02,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:54:02,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:54:02,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:54:02,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:54:02,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:54:02,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:54:02,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:54:02,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:54:02,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:54:02,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:54:02,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:54:02,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:54:02,775 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:54:02,775 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:54:02,776 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:54:02,776 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:54:02,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:54:02,778 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:54:02,778 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:54:02,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:54:02,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:54:02,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:54:02,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:54:02,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:54:02,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:54:02,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:54:02,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:54:02,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:54:02,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:54:02,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:54:02,782 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:54:02,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:54:02,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:54:02,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:54:02,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:54:02,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:54:02,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:54:02,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:54:02,788 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:54:02,789 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_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-10-28 09:54:03,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:54:03,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:54:03,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:54:03,193 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:54:03,195 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:54:03,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-28 09:54:03,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/data/f8d18dd39/9e8ab252bcc24e988b64e56e0afe57c8/FLAG7fd207559 [2021-10-28 09:54:04,035 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:54:04,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-28 09:54:04,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/data/f8d18dd39/9e8ab252bcc24e988b64e56e0afe57c8/FLAG7fd207559 [2021-10-28 09:54:04,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/data/f8d18dd39/9e8ab252bcc24e988b64e56e0afe57c8 [2021-10-28 09:54:04,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:54:04,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:54:04,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:54:04,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:54:04,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:54:04,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:04" (1/1) ... [2021-10-28 09:54:04,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9870c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:04, skipping insertion in model container [2021-10-28 09:54:04,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:04" (1/1) ... [2021-10-28 09:54:04,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:54:04,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:54:04,783 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_305d51c0-63e6-4d8a-bb79-48422e5dc09a/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-28 09:54:04,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:54:04,900 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:54:04,955 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_305d51c0-63e6-4d8a-bb79-48422e5dc09a/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-28 09:54:05,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:54:05,049 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:54:05,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05 WrapperNode [2021-10-28 09:54:05,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:54:05,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:54:05,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:54:05,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:54:05,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:54:05,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:54:05,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:54:05,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:54:05,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:54:05,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:54:05,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:54:05,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:54:05,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (1/1) ... [2021-10-28 09:54:05,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:05,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:54:05,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:54:05,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:54:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:54:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:54:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:54:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:54:06,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:54:06,294 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 09:54:06,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:06 BoogieIcfgContainer [2021-10-28 09:54:06,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:54:06,298 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:54:06,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:54:06,305 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:54:06,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:06,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:54:04" (1/3) ... [2021-10-28 09:54:06,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47710813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:06, skipping insertion in model container [2021-10-28 09:54:06,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:06,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:05" (2/3) ... [2021-10-28 09:54:06,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47710813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:06, skipping insertion in model container [2021-10-28 09:54:06,309 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:06,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:06" (3/3) ... [2021-10-28 09:54:06,312 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-28 09:54:06,387 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:54:06,387 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:54:06,388 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:54:06,388 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:54:06,388 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:54:06,388 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:54:06,388 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:54:06,389 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:54:06,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-10-28 09:54:06,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:54:06,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:06,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:06,469 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:54:06,469 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:06,470 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:54:06,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-10-28 09:54:06,485 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:54:06,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:06,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:06,487 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:54:06,488 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:06,502 INFO L791 eck$LassoCheckResult]: Stem: 45#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(13);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string54.base, #t~string54.offset, 1);call write~init~int(80, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(117, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(109, #t~string54.base, 3 + #t~string54.offset, 1);call write~init~int(112, #t~string54.base, 4 + #t~string54.offset, 1);call write~init~int(58, #t~string54.base, 5 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 6 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string60.base, #t~string60.offset, 1);call write~init~int(32, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string62.base, #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 1 + #t~string62.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.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; 34#L-1true havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 11#L866true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 13#L874true main_#t~ret44 := valid_product_#res;main_~tmp~4 := main_#t~ret44;havoc main_#t~ret44; 32#L544true assume 0 != main_~tmp~4; 15#L517true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L61-1true [2021-10-28 09:54:06,504 INFO L793 eck$LassoCheckResult]: Loop: 37#L61-1true assume !false; 12#L708true assume test_~splverifierCounter~0 < 4; 40#L709true test_~tmp~6 := test_#t~nondet63;havoc test_#t~nondet63; 19#L717true assume !(0 != test_~tmp~6); 50#L717-1true test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 14#L727true assume !(0 != test_~tmp___0~1); 6#L727-1true test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 24#L737true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 42#L745-2true assume !(0 != ~pumpRunning~0); 48#L571true assume 0 != ~systemActive~0; 38#L578true havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 28#L839true __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 5#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 37#L61-1true [2021-10-28 09:54:06,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:54:06,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:06,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293712627] [2021-10-28 09:54:06,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:06,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:06,873 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:07,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:07,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-10-28 09:54:07,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:07,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076283805] [2021-10-28 09:54:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:07,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:07,213 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:07,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-10-28 09:54:07,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:07,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044332986] [2021-10-28 09:54:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:07,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:07,400 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:07,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:55:31,599 WARN L207 SmtUtils]: Spent 1.40 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:56:54,273 WARN L207 SmtUtils]: Spent 39.89 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:56:54,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:56:54 BoogieIcfgContainer [2021-10-28 09:56:54,457 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:56:54,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:56:54,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:56:54,458 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:56:54,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:06" (3/4) ... [2021-10-28 09:56:54,463 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:56:54,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:56:54,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:56:54,524 INFO L168 Benchmark]: Toolchain (without parser) took 170215.27 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 62.0 MB in the beginning and 68.0 MB in the end (delta: -6.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,525 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 71.1 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:54,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.36 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 65.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 62.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,527 INFO L168 Benchmark]: Boogie Preprocessor took 48.91 ms. Allocated memory is still 98.6 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,528 INFO L168 Benchmark]: RCFGBuilder took 1118.43 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 61.0 MB in the beginning and 86.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,528 INFO L168 Benchmark]: BuchiAutomizer took 168159.02 ms. Allocated memory is still 123.7 MB. Free memory was 86.6 MB in the beginning and 70.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,529 INFO L168 Benchmark]: Witness Printer took 64.83 ms. Allocated memory is still 123.7 MB. Free memory was 70.1 MB in the beginning and 68.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:54,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 71.1 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.36 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 65.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.93 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 62.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.91 ms. Allocated memory is still 98.6 MB. Free memory was 62.7 MB in the beginning and 61.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1118.43 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 61.0 MB in the beginning and 86.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 168159.02 ms. Allocated memory is still 123.7 MB. Free memory was 86.6 MB in the beginning and 70.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. * Witness Printer took 64.83 ms. Allocated memory is still 123.7 MB. Free memory was 70.1 MB in the beginning and 68.0 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 168.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 167.9s. 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: 707]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2424} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25df0ca8=0, NULL=0, NULL=0, NULL=2424, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=29853, NULL=29842, NULL=29837, methaneLevelCritical=0, NULL=29845, NULL=29831, NULL=0, tmp=0, NULL=29836, tmp___1=0, NULL=29844, NULL=0, NULL=0, tmp___0=0, NULL=29852, NULL=2426, NULL=29843, cleanupTimeShifts=4, NULL=2425, NULL=29834, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=29838, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15324585=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61773f7c=0, NULL=0, NULL=0, NULL=0, NULL=29830, NULL=0, NULL=0, NULL=29849, \result=1, head=0, pumpRunning=0, \result=0, NULL=29835, NULL=29847, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@709ae8de=0, NULL=29832, retValue_acc=1, tmp=1, NULL=0, NULL=0, NULL=29846, NULL=0, retValue_acc=1, tmp___2=55, NULL=29833, tmp___0=0, splverifierCounter=0, NULL=0, NULL=29848, NULL=29841, NULL=29855, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d69c6b0=55, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53ac0240=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d95c93e=0, NULL=29851, NULL=29850, NULL=0, NULL=0, NULL=0, NULL=29854, NULL=29840, NULL=29839, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; [L535] int retValue_acc ; [L536] int tmp ; [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND TRUE \read(tmp___2) [L692] systemActive = 1 [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L54] int tmp ; [L55] int tmp___0 ; [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:56:54,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305d51c0-63e6-4d8a-bb79-48422e5dc09a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...