./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/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_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/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_90bb6c5c-5094-4165-be9e-5e1005bf5548/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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:23:56,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:23:56,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:23:56,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:23:56,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:23:56,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:23:56,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:23:56,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:23:56,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:23:56,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:23:56,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:23:56,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:23:56,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:23:56,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:23:56,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:23:56,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:23:56,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:23:56,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:23:56,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:23:56,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:23:56,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:23:56,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:23:56,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:23:56,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:23:56,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:23:56,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:23:56,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:23:56,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:23:56,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:23:56,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:23:56,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:23:56,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:23:56,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:23:56,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:23:56,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:23:56,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:23:56,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:23:56,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:23:56,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:23:56,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:23:56,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:23:56,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:23:56,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:23:56,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:23:56,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:23:56,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:23:56,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:23:56,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:23:56,978 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:23:56,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:23:56,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:23:56,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:23:56,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:23:56,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:23:56,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:23:56,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:23:56,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:23:56,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:23:56,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:23:56,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:23:56,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:23:56,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:23:56,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:23:56,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:23:56,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:23:56,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:23:56,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:23:56,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:23:56,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:23:56,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:23:56,986 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:23:56,986 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:23:56,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:23:56,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:23:56,987 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_90bb6c5c-5094-4165-be9e-5e1005bf5548/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-10-21 19:23:57,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:23:57,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:23:57,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:23:57,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:23:57,394 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:23:57,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-21 19:23:57,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/data/3c6954d20/bc1e25af848e4bfc82bc8b31020f6de7/FLAG72271eaa8 [2021-10-21 19:23:58,146 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:23:58,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-21 19:23:58,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/data/3c6954d20/bc1e25af848e4bfc82bc8b31020f6de7/FLAG72271eaa8 [2021-10-21 19:23:58,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/data/3c6954d20/bc1e25af848e4bfc82bc8b31020f6de7 [2021-10-21 19:23:58,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:23:58,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:23:58,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:23:58,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:23:58,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:23:58,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:23:58" (1/1) ... [2021-10-21 19:23:58,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a328c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:58, skipping insertion in model container [2021-10-21 19:23:58,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:23:58" (1/1) ... [2021-10-21 19:23:58,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:23:58,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:23:58,914 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_90bb6c5c-5094-4165-be9e-5e1005bf5548/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-21 19:23:58,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:23:58,981 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:23:59,033 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_90bb6c5c-5094-4165-be9e-5e1005bf5548/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2021-10-21 19:23:59,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:23:59,116 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:23:59,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59 WrapperNode [2021-10-21 19:23:59,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:23:59,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:23:59,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:23:59,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:23:59,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:23:59,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:23:59,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:23:59,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:23:59,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:23:59,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:23:59,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:23:59,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:23:59,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (1/1) ... [2021-10-21 19:23:59,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:23:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:23:59,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:23:59,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:23:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:23:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:23:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:23:59,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:24:00,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:24:00,528 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-21 19:24:00,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:00 BoogieIcfgContainer [2021-10-21 19:24:00,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:24:00,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:24:00,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:24:00,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:24:00,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:23:58" (1/3) ... [2021-10-21 19:24:00,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeba8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:24:00, skipping insertion in model container [2021-10-21 19:24:00,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:23:59" (2/3) ... [2021-10-21 19:24:00,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeba8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:24:00, skipping insertion in model container [2021-10-21 19:24:00,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:00" (3/3) ... [2021-10-21 19:24:00,542 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-21 19:24:00,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:24:00,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:24:00,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:24:00,623 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 19:24:00,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:24:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 19:24:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:24:00,650 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:00,651 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:00,652 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 19:24:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-21 19:24:00,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:00,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856960429] [2021-10-21 19:24:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:00,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,045 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 19:24:01,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:01,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856960429] [2021-10-21 19:24:01,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856960429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:01,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:01,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:24:01,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142465274] [2021-10-21 19:24:01,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:24:01,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:01,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:24:01,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:24:01,078 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 19:24:01,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:01,106 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-21 19:24:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:24:01,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-21 19:24:01,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:01,120 INFO L225 Difference]: With dead ends: 108 [2021-10-21 19:24:01,120 INFO L226 Difference]: Without dead ends: 53 [2021-10-21 19:24:01,124 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 19:24:01,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-21 19:24:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-21 19:24:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 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 19:24:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-21 19:24:01,170 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-21 19:24:01,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:01,171 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-21 19:24:01,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 19:24:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-21 19:24:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:24:01,173 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:01,174 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:01,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:24:01,175 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 19:24:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-21 19:24:01,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:01,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462208242] [2021-10-21 19:24:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:01,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,309 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 19:24:01,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:01,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462208242] [2021-10-21 19:24:01,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462208242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:01,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:01,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:24:01,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077458204] [2021-10-21 19:24:01,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:24:01,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:01,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:24:01,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:24:01,315 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:01,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:01,336 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-21 19:24:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:24:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:24:01,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:01,339 INFO L225 Difference]: With dead ends: 53 [2021-10-21 19:24:01,339 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:24:01,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:24:01,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:24:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 19:24:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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 19:24:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-21 19:24:01,355 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-21 19:24:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:01,356 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-21 19:24:01,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-21 19:24:01,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:24:01,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:01,360 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] [2021-10-21 19:24:01,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:24:01,363 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 19:24:01,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:01,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-21 19:24:01,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:01,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946991481] [2021-10-21 19:24:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:01,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,564 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 19:24:01,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:01,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946991481] [2021-10-21 19:24:01,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946991481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:01,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:01,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:24:01,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129593205] [2021-10-21 19:24:01,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:24:01,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:01,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:24:01,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:24:01,570 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 19:24:01,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:01,874 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-21 19:24:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:24:01,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2021-10-21 19:24:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:01,879 INFO L225 Difference]: With dead ends: 142 [2021-10-21 19:24:01,880 INFO L226 Difference]: Without dead ends: 121 [2021-10-21 19:24:01,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 158.1ms TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:24:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-21 19:24:01,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-21 19:24:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 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 19:24:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-21 19:24:01,898 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 22 [2021-10-21 19:24:01,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:01,899 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-21 19:24:01,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 19:24:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-21 19:24:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:24:01,902 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:01,902 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] [2021-10-21 19:24:01,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:24:01,903 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 19:24:01,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:01,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-21 19:24:01,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:01,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442459766] [2021-10-21 19:24:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:01,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:01,980 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 19:24:01,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:01,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442459766] [2021-10-21 19:24:01,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442459766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:01,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:24:01,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:24:01,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558230632] [2021-10-21 19:24:01,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:24:01,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:01,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:24:01,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:24:01,986 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 19:24:01,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:01,998 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-21 19:24:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:24:02,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2021-10-21 19:24:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:02,001 INFO L225 Difference]: With dead ends: 95 [2021-10-21 19:24:02,001 INFO L226 Difference]: Without dead ends: 57 [2021-10-21 19:24:02,002 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:24:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-21 19:24:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-21 19:24:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 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 19:24:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2021-10-21 19:24:02,013 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 23 [2021-10-21 19:24:02,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:02,014 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2021-10-21 19:24:02,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 19:24:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2021-10-21 19:24:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:24:02,017 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:24:02,017 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:02,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:24:02,018 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 19:24:02,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:02,019 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-21 19:24:02,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:02,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279485140] [2021-10-21 19:24:02,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:02,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:24:02,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279485140] [2021-10-21 19:24:02,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279485140] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:24:02,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033490636] [2021-10-21 19:24:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:02,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:24:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:02,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:24:02,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:24:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:02,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:24:02,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:02,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033490636] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:24:02,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:24:02,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-21 19:24:02,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901602117] [2021-10-21 19:24:02,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:24:02,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:24:02,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:24:02,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:24:02,639 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 19:24:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:24:02,748 INFO L93 Difference]: Finished difference Result 73 states and 99 transitions. [2021-10-21 19:24:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:24:02,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-10-21 19:24:02,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:24:02,756 INFO L225 Difference]: With dead ends: 73 [2021-10-21 19:24:02,756 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:24:02,757 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:24:02,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:24:02,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:24:02,758 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 19:24:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:24:02,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-21 19:24:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:24:02,759 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:24:02,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 19:24:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:24:02,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:24:02,763 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:24:02,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:24:02,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:24:02,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:02,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:24:02,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:24:02,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:02,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:24:03,606 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,607 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,607 INFO L857 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,607 INFO L857 garLoopResultBuilder]: For program point L449-2(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,607 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:24:03,608 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: false [2021-10-21 19:24:03,608 INFO L853 garLoopResultBuilder]: At program point L648(lines 643 651) the Hoare annotation is: false [2021-10-21 19:24:03,608 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 643 651) the Hoare annotation is: false [2021-10-21 19:24:03,608 INFO L853 garLoopResultBuilder]: At program point L648-2(lines 643 651) the Hoare annotation is: false [2021-10-21 19:24:03,608 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-21 19:24:03,609 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-21 19:24:03,609 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-10-21 19:24:03,609 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 723) no Hoare annotation was computed. [2021-10-21 19:24:03,609 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 717 723) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-21 19:24:03,610 INFO L853 garLoopResultBuilder]: At program point L866(lines 1 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-21 19:24:03,610 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-21 19:24:03,610 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 571 577) no Hoare annotation was computed. [2021-10-21 19:24:03,610 INFO L860 garLoopResultBuilder]: At program point L553(lines 534 556) the Hoare annotation is: true [2021-10-21 19:24:03,610 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:24:03,611 INFO L853 garLoopResultBuilder]: At program point L571(lines 570 589) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-21 19:24:03,611 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2021-10-21 19:24:03,611 INFO L853 garLoopResultBuilder]: At program point L571-2(lines 570 589) the Hoare annotation is: false [2021-10-21 19:24:03,611 INFO L853 garLoopResultBuilder]: At program point L571-3(lines 570 589) the Hoare annotation is: false [2021-10-21 19:24:03,612 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,612 INFO L857 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-10-21 19:24:03,612 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 750) no Hoare annotation was computed. [2021-10-21 19:24:03,612 INFO L857 garLoopResultBuilder]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2021-10-21 19:24:03,612 INFO L857 garLoopResultBuilder]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2021-10-21 19:24:03,613 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-10-21 19:24:03,613 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:24:03,613 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 877) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 0)) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)))) [2021-10-21 19:24:03,613 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-10-21 19:24:03,614 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 877) the Hoare annotation is: false [2021-10-21 19:24:03,614 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-10-21 19:24:03,614 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 877) the Hoare annotation is: false [2021-10-21 19:24:03,614 INFO L853 garLoopResultBuilder]: At program point L755(lines 706 756) the Hoare annotation is: false [2021-10-21 19:24:03,614 INFO L853 garLoopResultBuilder]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-21 19:24:03,615 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2021-10-21 19:24:03,615 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2021-10-21 19:24:03,615 INFO L857 garLoopResultBuilder]: For program point L708(lines 707 754) no Hoare annotation was computed. [2021-10-21 19:24:03,615 INFO L853 garLoopResultBuilder]: At program point L874(lines 869 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-10-21 19:24:03,616 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-10-21 19:24:03,616 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-10-21 19:24:03,616 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 551) no Hoare annotation was computed. [2021-10-21 19:24:03,616 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:24:03,616 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-10-21 19:24:03,617 INFO L860 garLoopResultBuilder]: At program point L544-1(lines 544 551) the Hoare annotation is: true [2021-10-21 19:24:03,617 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-10-21 19:24:03,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-21 19:24:03,617 INFO L853 garLoopResultBuilder]: At program point L578(lines 578 584) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-21 19:24:03,619 INFO L853 garLoopResultBuilder]: At program point L578-1(lines 578 584) the Hoare annotation is: false [2021-10-21 19:24:03,620 INFO L853 garLoopResultBuilder]: At program point L578-2(lines 578 584) the Hoare annotation is: false [2021-10-21 19:24:03,620 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2021-10-21 19:24:03,620 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-21 19:24:03,620 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-21 19:24:03,621 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-21 19:24:03,621 INFO L853 garLoopResultBuilder]: At program point L745-2(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)))) [2021-10-21 19:24:03,626 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:24:03,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:24:03 BoogieIcfgContainer [2021-10-21 19:24:03,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:24:03,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:24:03,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:24:03,666 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:24:03,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:00" (3/4) ... [2021-10-21 19:24:03,670 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:24:03,698 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:24:03,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:24:03,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:24:03,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:24:03,701 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:24:03,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:24:03,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:24:03,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) [2021-10-21 19:24:03,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && waterLevel == 1) && waterLevel == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-21 19:24:03,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:24:03,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:24:03,801 INFO L168 Benchmark]: Toolchain (without parser) took 5360.75 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 64.3 MB in the beginning and 85.8 MB in the end (delta: -21.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,802 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:24:03,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.97 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 68.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.16 ms. Allocated memory is still 100.7 MB. Free memory was 68.4 MB in the beginning and 65.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,803 INFO L168 Benchmark]: Boogie Preprocessor took 82.13 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 64.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,804 INFO L168 Benchmark]: RCFGBuilder took 1223.47 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 64.2 MB in the beginning and 97.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,805 INFO L168 Benchmark]: TraceAbstraction took 3131.74 ms. Allocated memory is still 127.9 MB. Free memory was 97.9 MB in the beginning and 91.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,805 INFO L168 Benchmark]: Witness Printer took 134.29 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 85.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:03,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 676.97 ms. Allocated memory is still 100.7 MB. Free memory was 64.1 MB in the beginning and 68.4 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.16 ms. Allocated memory is still 100.7 MB. Free memory was 68.4 MB in the beginning and 65.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.13 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 64.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1223.47 ms. Allocated memory was 100.7 MB in the beginning and 127.9 MB in the end (delta: 27.3 MB). Free memory was 64.2 MB in the beginning and 97.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3131.74 ms. Allocated memory is still 127.9 MB. Free memory was 97.9 MB in the beginning and 91.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. * Witness Printer took 134.29 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 85.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 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: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3014.0ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 20.7ms, AutomataDifference: 543.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 619.6ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 237 SDtfs, 289 SDslu, 230 SDs, 0 SdLazy, 72 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 206.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 185.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 69.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 229 HoareAnnotationTreeSize, 25 FomulaSimplifications, 270 FormulaSimplificationTreeSizeReduction, 135.7ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 473.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 76.0ms SsaConstructionTime, 358.7ms SatisfiabilityAnalysisTime, 772.7ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0)) || (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && waterLevel == 1) && waterLevel == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:24:03,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90bb6c5c-5094-4165-be9e-5e1005bf5548/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...