./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 18:19:49,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 18:19:49,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 18:19:49,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 18:19:49,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 18:19:49,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 18:19:49,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 18:19:49,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 18:19:49,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 18:19:49,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 18:19:49,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 18:19:49,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 18:19:49,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 18:19:49,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 18:19:49,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 18:19:49,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 18:19:49,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 18:19:49,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 18:19:49,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 18:19:49,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 18:19:49,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 18:19:49,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 18:19:49,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 18:19:49,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 18:19:49,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 18:19:49,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 18:19:49,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 18:19:49,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 18:19:49,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 18:19:49,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 18:19:49,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 18:19:49,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 18:19:49,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 18:19:49,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 18:19:49,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 18:19:49,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 18:19:49,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 18:19:49,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 18:19:49,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 18:19:49,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 18:19:49,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 18:19:49,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 18:19:49,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 18:19:49,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 18:19:49,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 18:19:49,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 18:19:49,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 18:19:49,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 18:19:49,800 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 18:19:49,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 18:19:49,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 18:19:49,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 18:19:49,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 18:19:49,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 18:19:49,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 18:19:49,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 18:19:49,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 18:19:49,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 18:19:49,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 18:19:49,804 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 18:19:49,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 18:19:49,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 18:19:49,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 18:19:49,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 18:19:49,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 18:19:49,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 18:19:49,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 18:19:49,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 18:19:49,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 18:19:49,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 18:19:49,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 18:19:49,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 18:19:49,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 18:19:49,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 18:19:49,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 [2021-10-21 18:19:50,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 18:19:50,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 18:19:50,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 18:19:50,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 18:19:50,182 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 18:19:50,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-21 18:19:50,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/data/73ba8df08/3d1d58cf831b41f289ff0778a25d259b/FLAG8fdfce638 [2021-10-21 18:19:50,844 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 18:19:50,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-21 18:19:50,857 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/data/73ba8df08/3d1d58cf831b41f289ff0778a25d259b/FLAG8fdfce638 [2021-10-21 18:19:51,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/data/73ba8df08/3d1d58cf831b41f289ff0778a25d259b [2021-10-21 18:19:51,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 18:19:51,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 18:19:51,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 18:19:51,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 18:19:51,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 18:19:51,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736149e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51, skipping insertion in model container [2021-10-21 18:19:51,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 18:19:51,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 18:19:51,528 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_057eef31-4545-4ce0-a6b3-69061067c6bb/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[18283,18296] [2021-10-21 18:19:51,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:19:51,553 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 18:19:51,669 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_057eef31-4545-4ce0-a6b3-69061067c6bb/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[18283,18296] [2021-10-21 18:19:51,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:19:51,692 INFO L208 MainTranslator]: Completed translation [2021-10-21 18:19:51,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51 WrapperNode [2021-10-21 18:19:51,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 18:19:51,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 18:19:51,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 18:19:51,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 18:19:51,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 18:19:51,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 18:19:51,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 18:19:51,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 18:19:51,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 18:19:51,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 18:19:51,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 18:19:51,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 18:19:51,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (1/1) ... [2021-10-21 18:19:51,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 18:19:51,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:19:51,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 18:19:51,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 18:19:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 18:19:51,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 18:19:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 18:19:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 18:19:52,760 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 18:19:52,760 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-21 18:19:52,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:19:52 BoogieIcfgContainer [2021-10-21 18:19:52,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 18:19:52,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 18:19:52,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 18:19:52,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 18:19:52,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 06:19:51" (1/3) ... [2021-10-21 18:19:52,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1bb690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 06:19:52, skipping insertion in model container [2021-10-21 18:19:52,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:19:51" (2/3) ... [2021-10-21 18:19:52,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1bb690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 06:19:52, skipping insertion in model container [2021-10-21 18:19:52,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:19:52" (3/3) ... [2021-10-21 18:19:52,770 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-10-21 18:19:52,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 18:19:52,798 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 18:19:52,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 18:19:52,878 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 18:19:52,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 18:19:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 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) [2021-10-21 18:19:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 18:19:52,901 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:19:52,902 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:19:52,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:19:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:19:52,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2021-10-21 18:19:52,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:19:52,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219697356] [2021-10-21 18:19:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:19:52,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:19:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:19:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:19:53,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:19:53,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219697356] [2021-10-21 18:19:53,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219697356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:19:53,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:19:53,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 18:19:53,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906913292] [2021-10-21 18:19:53,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 18:19:53,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:19:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 18:19:53,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 18:19:53,244 INFO L87 Difference]: Start difference. First operand has 81 states, 77 states have (on average 1.5714285714285714) internal successors, (121), 80 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-21 18:19:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:19:53,269 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-21 18:19:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 18:19:53,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) Word has length 18 [2021-10-21 18:19:53,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:19:53,281 INFO L225 Difference]: With dead ends: 155 [2021-10-21 18:19:53,281 INFO L226 Difference]: Without dead ends: 77 [2021-10-21 18:19:53,284 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 18:19:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-21 18:19:53,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-21 18:19:53,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 74 states have (on average 1.472972972972973) internal successors, (109), 76 states have internal predecessors, (109), 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) [2021-10-21 18:19:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-21 18:19:53,320 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-21 18:19:53,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:19:53,320 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-21 18:19:53,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-21 18:19:53,321 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-21 18:19:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 18:19:53,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:19:53,322 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:19:53,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 18:19:53,323 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:19:53,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:19:53,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2021-10-21 18:19:53,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:19:53,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793592768] [2021-10-21 18:19:53,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:19:53,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:19:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:19:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:19:53,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:19:53,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793592768] [2021-10-21 18:19:53,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793592768] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:19:53,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:19:53,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 18:19:53,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969688605] [2021-10-21 18:19:53,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 18:19:53,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:19:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 18:19:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:19:53,419 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-21 18:19:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:19:53,429 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-21 18:19:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 18:19:53,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-10-21 18:19:53,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:19:53,437 INFO L225 Difference]: With dead ends: 77 [2021-10-21 18:19:53,437 INFO L226 Difference]: Without dead ends: 37 [2021-10-21 18:19:53,439 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:19:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-21 18:19:53,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-21 18:19:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 36 states have internal predecessors, (52), 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) [2021-10-21 18:19:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-21 18:19:53,445 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-21 18:19:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:19:53,446 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-21 18:19:53,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-21 18:19:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-21 18:19:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 18:19:53,447 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:19:53,448 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:19:53,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 18:19:53,448 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:19:53,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:19:53,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2021-10-21 18:19:53,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:19:53,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593791314] [2021-10-21 18:19:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:19:53,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:19:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:19:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:19:53,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:19:53,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593791314] [2021-10-21 18:19:53,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593791314] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:19:53,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:19:53,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 18:19:53,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234915396] [2021-10-21 18:19:53,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 18:19:53,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:19:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 18:19:53,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:19:53,537 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:19:53,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:19:53,553 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-21 18:19:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 18:19:53,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 18:19:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:19:53,555 INFO L225 Difference]: With dead ends: 97 [2021-10-21 18:19:53,555 INFO L226 Difference]: Without dead ends: 67 [2021-10-21 18:19:53,555 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:19:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-21 18:19:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-21 18:19:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.4838709677419355) internal successors, (92), 62 states have internal predecessors, (92), 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) [2021-10-21 18:19:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-21 18:19:53,570 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-21 18:19:53,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:19:53,570 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-21 18:19:53,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:19:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-21 18:19:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 18:19:53,572 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:19:53,572 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:19:53,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 18:19:53,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:19:53,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:19:53,573 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2021-10-21 18:19:53,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:19:53,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273776408] [2021-10-21 18:19:53,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:19:53,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:19:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:19:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:19:53,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:19:53,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273776408] [2021-10-21 18:19:53,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273776408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:19:53,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:19:53,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 18:19:53,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371306737] [2021-10-21 18:19:53,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 18:19:53,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:19:53,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 18:19:53,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 18:19:53,728 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-21 18:19:53,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:19:53,835 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-21 18:19:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 18:19:53,840 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) Word has length 25 [2021-10-21 18:19:53,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:19:53,843 INFO L225 Difference]: With dead ends: 303 [2021-10-21 18:19:53,844 INFO L226 Difference]: Without dead ends: 247 [2021-10-21 18:19:53,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 18:19:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-21 18:19:53,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-21 18:19:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4727272727272727) internal successors, (162), 110 states have internal predecessors, (162), 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) [2021-10-21 18:19:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-21 18:19:53,885 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-21 18:19:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:19:53,885 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-21 18:19:53,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-21 18:19:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-21 18:19:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 18:19:53,887 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:19:53,887 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:19:53,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 18:19:53,888 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:19:53,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:19:53,888 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2021-10-21 18:19:53,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:19:53,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797264645] [2021-10-21 18:19:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:19:53,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:19:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:19:53,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:19:53,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:19:53,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797264645] [2021-10-21 18:19:53,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797264645] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:19:53,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:19:53,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 18:19:53,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087803260] [2021-10-21 18:19:53,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 18:19:53,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:19:53,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 18:19:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 18:19:53,984 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:19:54,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:19:54,041 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-21 18:19:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 18:19:54,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 18:19:54,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:19:54,042 INFO L225 Difference]: With dead ends: 307 [2021-10-21 18:19:54,042 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 18:19:54,043 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 18:19:54,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 18:19:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 18:19:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-21 18:19:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 18:19:54,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-21 18:19:54,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:19:54,045 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 18:19:54,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:19:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 18:19:54,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 18:19:54,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 18:19:54,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 18:19:54,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 18:19:54,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 18:19:54,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 18:19:54,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 18:19:54,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,325 INFO L853 garLoopResultBuilder]: At program point L746(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 18:19:54,326 INFO L853 garLoopResultBuilder]: At program point L614(lines 610 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 18:19:54,326 INFO L853 garLoopResultBuilder]: At program point L548(lines 543 551) the Hoare annotation is: false [2021-10-21 18:19:54,326 INFO L853 garLoopResultBuilder]: At program point L548-1(lines 543 551) the Hoare annotation is: false [2021-10-21 18:19:54,326 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-10-21 18:19:54,326 INFO L853 garLoopResultBuilder]: At program point L548-2(lines 543 551) the Hoare annotation is: false [2021-10-21 18:19:54,327 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 18:19:54,327 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 710) no Hoare annotation was computed. [2021-10-21 18:19:54,327 INFO L853 garLoopResultBuilder]: At program point L565-2(lines 565 579) the Hoare annotation is: false [2021-10-21 18:19:54,327 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-21 18:19:54,327 INFO L853 garLoopResultBuilder]: At program point L715(lines 666 716) the Hoare annotation is: false [2021-10-21 18:19:54,328 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2021-10-21 18:19:54,328 INFO L853 garLoopResultBuilder]: At program point L436-1(lines 1 953) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,328 INFO L857 garLoopResultBuilder]: For program point L436-2(lines 436 453) no Hoare annotation was computed. [2021-10-21 18:19:54,328 INFO L853 garLoopResultBuilder]: At program point L436-3(lines 1 953) the Hoare annotation is: false [2021-10-21 18:19:54,328 INFO L857 garLoopResultBuilder]: For program point L436-4(lines 436 453) no Hoare annotation was computed. [2021-10-21 18:19:54,329 INFO L853 garLoopResultBuilder]: At program point L436-5(lines 1 953) the Hoare annotation is: false [2021-10-21 18:19:54,329 INFO L860 garLoopResultBuilder]: At program point L651(lines 632 654) the Hoare annotation is: true [2021-10-21 18:19:54,329 INFO L857 garLoopResultBuilder]: For program point L800(lines 800 817) no Hoare annotation was computed. [2021-10-21 18:19:54,329 INFO L857 garLoopResultBuilder]: For program point L800-1(lines 800 817) no Hoare annotation was computed. [2021-10-21 18:19:54,329 INFO L857 garLoopResultBuilder]: For program point L800-2(lines 800 817) no Hoare annotation was computed. [2021-10-21 18:19:54,330 INFO L857 garLoopResultBuilder]: For program point L668(lines 667 714) no Hoare annotation was computed. [2021-10-21 18:19:54,330 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2021-10-21 18:19:54,330 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 768 774) no Hoare annotation was computed. [2021-10-21 18:19:54,330 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-21 18:19:54,330 INFO L857 garLoopResultBuilder]: For program point L470-3(lines 470 474) no Hoare annotation was computed. [2021-10-21 18:19:54,331 INFO L857 garLoopResultBuilder]: For program point L470-6(lines 470 474) no Hoare annotation was computed. [2021-10-21 18:19:54,331 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 18:19:54,331 INFO L853 garLoopResultBuilder]: At program point L768(lines 767 786) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,331 INFO L857 garLoopResultBuilder]: For program point L768-1(lines 768 774) no Hoare annotation was computed. [2021-10-21 18:19:54,331 INFO L853 garLoopResultBuilder]: At program point L768-2(lines 767 786) the Hoare annotation is: false [2021-10-21 18:19:54,332 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-10-21 18:19:54,332 INFO L853 garLoopResultBuilder]: At program point L768-3(lines 767 786) the Hoare annotation is: false [2021-10-21 18:19:54,332 INFO L857 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,332 INFO L857 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,332 INFO L857 garLoopResultBuilder]: For program point L950-2(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,333 INFO L857 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2021-10-21 18:19:54,333 INFO L853 garLoopResultBuilder]: At program point L934-1(lines 934 940) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,333 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 709) no Hoare annotation was computed. [2021-10-21 18:19:54,333 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 768 774) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,334 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,334 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-10-21 18:19:54,334 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,334 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2021-10-21 18:19:54,334 INFO L857 garLoopResultBuilder]: For program point L440-2(lines 440 450) no Hoare annotation was computed. [2021-10-21 18:19:54,335 INFO L857 garLoopResultBuilder]: For program point L440-4(lines 440 450) no Hoare annotation was computed. [2021-10-21 18:19:54,335 INFO L853 garLoopResultBuilder]: At program point L754(lines 749 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 18:19:54,335 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 812) no Hoare annotation was computed. [2021-10-21 18:19:54,335 INFO L857 garLoopResultBuilder]: For program point L804-1(lines 804 812) no Hoare annotation was computed. [2021-10-21 18:19:54,335 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 812) no Hoare annotation was computed. [2021-10-21 18:19:54,336 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 18:19:54,336 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,336 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-10-21 18:19:54,336 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2021-10-21 18:19:54,336 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-10-21 18:19:54,337 INFO L857 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,337 INFO L857 garLoopResultBuilder]: For program point L441-2(lines 441 447) no Hoare annotation was computed. [2021-10-21 18:19:54,337 INFO L857 garLoopResultBuilder]: For program point L920-2(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,337 INFO L857 garLoopResultBuilder]: For program point L920-3(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,337 INFO L857 garLoopResultBuilder]: For program point L441-4(lines 441 447) no Hoare annotation was computed. [2021-10-21 18:19:54,338 INFO L857 garLoopResultBuilder]: For program point L920-5(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,338 INFO L857 garLoopResultBuilder]: For program point L920-6(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,338 INFO L857 garLoopResultBuilder]: For program point L920-8(lines 920 924) no Hoare annotation was computed. [2021-10-21 18:19:54,338 INFO L853 garLoopResultBuilder]: At program point L425(lines 420 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-21 18:19:54,338 INFO L853 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-21 18:19:54,339 INFO L853 garLoopResultBuilder]: At program point L871-1(lines 866 874) the Hoare annotation is: false [2021-10-21 18:19:54,339 INFO L853 garLoopResultBuilder]: At program point L871-2(lines 866 874) the Hoare annotation is: false [2021-10-21 18:19:54,339 INFO L857 garLoopResultBuilder]: For program point L642(lines 642 649) no Hoare annotation was computed. [2021-10-21 18:19:54,339 INFO L860 garLoopResultBuilder]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2021-10-21 18:19:54,339 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 498) no Hoare annotation was computed. [2021-10-21 18:19:54,340 INFO L853 garLoopResultBuilder]: At program point L775(lines 775 781) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,340 INFO L853 garLoopResultBuilder]: At program point L775-1(lines 775 781) the Hoare annotation is: false [2021-10-21 18:19:54,340 INFO L853 garLoopResultBuilder]: At program point L775-2(lines 775 781) the Hoare annotation is: false [2021-10-21 18:19:54,340 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 18:19:54,341 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-21 18:19:54,341 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2021-10-21 18:19:54,341 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 677 683) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-21 18:19:54,341 INFO L853 garLoopResultBuilder]: At program point L926(lines 911 929) the Hoare annotation is: false [2021-10-21 18:19:54,341 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 911 929) the Hoare annotation is: false [2021-10-21 18:19:54,342 INFO L853 garLoopResultBuilder]: At program point L926-2(lines 911 929) the Hoare annotation is: false [2021-10-21 18:19:54,349 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 18:19:54,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 06:19:54 BoogieIcfgContainer [2021-10-21 18:19:54,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 18:19:54,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 18:19:54,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 18:19:54,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 18:19:54,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:19:52" (3/4) ... [2021-10-21 18:19:54,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 18:19:54,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 18:19:54,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 18:19:54,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 18:19:54,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 18:19:54,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 18:19:54,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 18:19:54,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 18:19:54,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-21 18:19:54,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 18:19:54,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 18:19:54,530 INFO L168 Benchmark]: Toolchain (without parser) took 3422.89 ms. Allocated memory was 125.8 MB in the beginning and 161.5 MB in the end (delta: 35.7 MB). Free memory was 83.9 MB in the beginning and 106.6 MB in the end (delta: -22.8 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,531 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 101.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 18:19:54,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.37 ms. Allocated memory is still 125.8 MB. Free memory was 83.7 MB in the beginning and 90.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.67 ms. Allocated memory is still 125.8 MB. Free memory was 90.7 MB in the beginning and 87.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,532 INFO L168 Benchmark]: Boogie Preprocessor took 79.06 ms. Allocated memory is still 125.8 MB. Free memory was 87.7 MB in the beginning and 85.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,533 INFO L168 Benchmark]: RCFGBuilder took 897.41 ms. Allocated memory is still 125.8 MB. Free memory was 85.2 MB in the beginning and 45.0 MB in the end (delta: 40.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,533 INFO L168 Benchmark]: TraceAbstraction took 1610.69 ms. Allocated memory was 125.8 MB in the beginning and 161.5 MB in the end (delta: 35.7 MB). Free memory was 44.1 MB in the beginning and 112.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,533 INFO L168 Benchmark]: Witness Printer took 153.16 ms. Allocated memory is still 161.5 MB. Free memory was 112.9 MB in the beginning and 106.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 18:19:54,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 101.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.37 ms. Allocated memory is still 125.8 MB. Free memory was 83.7 MB in the beginning and 90.7 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.67 ms. Allocated memory is still 125.8 MB. Free memory was 90.7 MB in the beginning and 87.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.06 ms. Allocated memory is still 125.8 MB. Free memory was 87.7 MB in the beginning and 85.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 897.41 ms. Allocated memory is still 125.8 MB. Free memory was 85.2 MB in the beginning and 45.0 MB in the end (delta: 40.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1610.69 ms. Allocated memory was 125.8 MB in the beginning and 161.5 MB in the end (delta: 35.7 MB). Free memory was 44.1 MB in the beginning and 112.9 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. * Witness Printer took 153.16 ms. Allocated memory is still 161.5 MB. Free memory was 112.9 MB in the beginning and 106.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1479.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 14.9ms, AutomataDifference: 274.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 275.5ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 72.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 84.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 160.8ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 74.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 35.6ms SsaConstructionTime, 229.9ms SatisfiabilityAnalysisTime, 375.1ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 18:19:54,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_057eef31-4545-4ce0-a6b3-69061067c6bb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...