./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN --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 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:31:13,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:31:13,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:31:13,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:31:13,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:31:13,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:31:13,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:31:13,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:31:13,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:31:13,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:31:13,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:31:13,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:31:13,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:31:13,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:31:13,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:31:13,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:31:13,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:31:13,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:31:13,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:31:13,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:31:13,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:31:13,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:31:13,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:31:13,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:31:13,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:31:13,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:31:13,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:31:13,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:31:13,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:31:13,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:31:14,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:31:14,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:31:14,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:31:14,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:31:14,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:31:14,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:31:14,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:31:14,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:31:14,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:31:14,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:31:14,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:31:14,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:31:14,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:31:14,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:31:14,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:31:14,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:31:14,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:31:14,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:31:14,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:31:14,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:31:14,074 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:31:14,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:31:14,076 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:31:14,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:31:14,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:31:14,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:31:14,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:31:14,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:31:14,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:31:14,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:31:14,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:31:14,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:31:14,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:31:14,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:31:14,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:31:14,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:31:14,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:14,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:31:14,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:31:14,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:31:14,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:31:14,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:31:14,081 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:31:14,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:31:14,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:31:14,082 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_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2022-11-20 09:31:14,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:31:14,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:31:14,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:31:14,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:31:14,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:31:14,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-11-20 09:31:17,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:31:17,874 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:31:17,875 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-11-20 09:31:17,903 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/data/cc5eafebe/fb0d0433a5094e179cc07401fa317c77/FLAGe68d50baa [2022-11-20 09:31:17,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/data/cc5eafebe/fb0d0433a5094e179cc07401fa317c77 [2022-11-20 09:31:17,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:31:17,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:31:17,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:17,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:31:17,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:31:17,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:17" (1/1) ... [2022-11-20 09:31:17,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c67e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:17, skipping insertion in model container [2022-11-20 09:31:17,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:17" (1/1) ... [2022-11-20 09:31:17,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:31:18,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:31:18,302 WARN L237 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_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-11-20 09:31:18,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:18,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:31:18,409 WARN L237 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_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-11-20 09:31:18,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:18,434 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:31:18,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18 WrapperNode [2022-11-20 09:31:18,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:18,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:18,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:31:18,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:31:18,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,490 INFO L138 Inliner]: procedures = 51, calls = 90, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 135 [2022-11-20 09:31:18,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:18,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:31:18,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:31:18,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:31:18,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:31:18,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:31:18,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:31:18,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:31:18,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (1/1) ... [2022-11-20 09:31:18,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:18,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:31:18,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:31:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:31:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:31:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 09:31:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 09:31:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:31:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:31:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:31:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:31:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:31:18,774 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:31:18,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:31:18,999 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:31:19,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:31:19,008 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:31:19,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:19 BoogieIcfgContainer [2022-11-20 09:31:19,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:31:19,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:31:19,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:31:19,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:31:19,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:17" (1/3) ... [2022-11-20 09:31:19,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736bd548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:19, skipping insertion in model container [2022-11-20 09:31:19,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:18" (2/3) ... [2022-11-20 09:31:19,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736bd548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:19, skipping insertion in model container [2022-11-20 09:31:19,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:19" (3/3) ... [2022-11-20 09:31:19,020 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2022-11-20 09:31:19,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:31:19,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:31:19,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:31:19,174 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3198ee55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:31:19,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:31:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 09:31:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 09:31:19,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:19,190 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:19,191 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:19,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1108426209, now seen corresponding path program 1 times [2022-11-20 09:31:19,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:19,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678589403] [2022-11-20 09:31:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 09:31:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:19,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678589403] [2022-11-20 09:31:19,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678589403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:19,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:19,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:31:19,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257506879] [2022-11-20 09:31:19,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:19,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:31:19,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:31:19,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:31:19,473 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:19,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:19,510 INFO L93 Difference]: Finished difference Result 121 states and 164 transitions. [2022-11-20 09:31:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:31:19,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-20 09:31:19,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:19,537 INFO L225 Difference]: With dead ends: 121 [2022-11-20 09:31:19,542 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 09:31:19,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:31:19,550 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:19,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:19,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 09:31:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-20 09:31:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 09:31:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-11-20 09:31:19,600 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 25 [2022-11-20 09:31:19,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:19,601 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2022-11-20 09:31:19,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-11-20 09:31:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 09:31:19,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:19,604 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:19,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:31:19,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:19,606 INFO L85 PathProgramCache]: Analyzing trace with hash -52282975, now seen corresponding path program 1 times [2022-11-20 09:31:19,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:19,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230898778] [2022-11-20 09:31:19,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:19,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 09:31:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:19,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:19,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230898778] [2022-11-20 09:31:19,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230898778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:19,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:19,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:19,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77360266] [2022-11-20 09:31:19,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:19,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:19,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:19,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:19,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:19,734 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:19,767 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2022-11-20 09:31:19,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-20 09:31:19,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:19,770 INFO L225 Difference]: With dead ends: 76 [2022-11-20 09:31:19,770 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 09:31:19,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:19,772 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:19,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:19,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 09:31:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 09:31:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 09:31:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2022-11-20 09:31:19,782 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 26 [2022-11-20 09:31:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:19,782 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2022-11-20 09:31:19,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-20 09:31:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 09:31:19,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:19,784 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2022-11-20 09:31:19,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:31:19,785 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:19,786 INFO L85 PathProgramCache]: Analyzing trace with hash 257935222, now seen corresponding path program 1 times [2022-11-20 09:31:19,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:19,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067377340] [2022-11-20 09:31:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 09:31:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:20,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:20,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067377340] [2022-11-20 09:31:20,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067377340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:20,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:20,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:31:20,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620889055] [2022-11-20 09:31:20,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:20,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:31:20,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:20,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:31:20,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:20,014 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:20,091 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2022-11-20 09:31:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:31:20,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 09:31:20,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:20,094 INFO L225 Difference]: With dead ends: 86 [2022-11-20 09:31:20,094 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 09:31:20,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:20,097 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:20,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 119 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:20,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 09:31:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 09:31:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 09:31:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2022-11-20 09:31:20,110 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 31 [2022-11-20 09:31:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:20,111 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-11-20 09:31:20,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-20 09:31:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 09:31:20,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:20,113 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2022-11-20 09:31:20,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:31:20,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:31:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash -307517961, now seen corresponding path program 1 times [2022-11-20 09:31:20,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:20,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810782647] [2022-11-20 09:31:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 09:31:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:31:20,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:20,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810782647] [2022-11-20 09:31:20,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810782647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:20,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:20,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:31:20,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802983682] [2022-11-20 09:31:20,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:20,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:31:20,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:20,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:31:20,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:31:20,337 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:20,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:20,431 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2022-11-20 09:31:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:31:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-20 09:31:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:20,433 INFO L225 Difference]: With dead ends: 84 [2022-11-20 09:31:20,433 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:31:20,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:31:20,435 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 32 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:20,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:31:20,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:31:20,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:31:20,438 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) [2022-11-20 09:31:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:31:20,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-20 09:31:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:20,439 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:31:20,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:31:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:31:20,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:31:20,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:31:20,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:31:20,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:31:20,710 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-11-20 09:31:20,710 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2022-11-20 09:31:20,710 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-11-20 09:31:20,711 INFO L899 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-11-20 09:31:20,711 INFO L895 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0) (= 0 ~systemActive~0)) [2022-11-20 09:31:20,711 INFO L902 garLoopResultBuilder]: At program point L715(lines 711 717) the Hoare annotation is: true [2022-11-20 09:31:20,711 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 687 710) no Hoare annotation was computed. [2022-11-20 09:31:20,712 INFO L899 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2022-11-20 09:31:20,712 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 207) no Hoare annotation was computed. [2022-11-20 09:31:20,712 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-11-20 09:31:20,712 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-11-20 09:31:20,712 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 210) no Hoare annotation was computed. [2022-11-20 09:31:20,713 INFO L902 garLoopResultBuilder]: At program point L193-1(lines 185 213) the Hoare annotation is: true [2022-11-20 09:31:20,713 INFO L902 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: true [2022-11-20 09:31:20,713 INFO L899 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-11-20 09:31:20,713 INFO L899 garLoopResultBuilder]: For program point L691-1(lines 690 709) no Hoare annotation was computed. [2022-11-20 09:31:20,714 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 687 710) the Hoare annotation is: true [2022-11-20 09:31:20,714 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 687 710) no Hoare annotation was computed. [2022-11-20 09:31:20,714 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2022-11-20 09:31:20,714 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 873) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-11-20 09:31:20,715 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2022-11-20 09:31:20,715 INFO L902 garLoopResultBuilder]: At program point L608(lines 583 612) the Hoare annotation is: true [2022-11-20 09:31:20,715 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 583 612) no Hoare annotation was computed. [2022-11-20 09:31:20,715 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 583 612) the Hoare annotation is: true [2022-11-20 09:31:20,715 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2022-11-20 09:31:20,716 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2022-11-20 09:31:20,716 INFO L902 garLoopResultBuilder]: At program point L597-1(lines 597 601) the Hoare annotation is: true [2022-11-20 09:31:20,716 INFO L899 garLoopResultBuilder]: For program point L594(line 594) no Hoare annotation was computed. [2022-11-20 09:31:20,716 INFO L902 garLoopResultBuilder]: At program point L593-2(lines 593 607) the Hoare annotation is: true [2022-11-20 09:31:20,716 INFO L902 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: true [2022-11-20 09:31:20,717 INFO L899 garLoopResultBuilder]: For program point L589-1(line 589) no Hoare annotation was computed. [2022-11-20 09:31:20,717 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2022-11-20 09:31:20,717 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2022-11-20 09:31:20,717 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2022-11-20 09:31:20,717 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2022-11-20 09:31:20,718 INFO L895 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,718 INFO L895 garLoopResultBuilder]: At program point L857(lines 808 858) the Hoare annotation is: false [2022-11-20 09:31:20,718 INFO L899 garLoopResultBuilder]: For program point L667-2(lines 667 674) no Hoare annotation was computed. [2022-11-20 09:31:20,718 INFO L902 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2022-11-20 09:31:20,719 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:31:20,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:31:20,719 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 835) no Hoare annotation was computed. [2022-11-20 09:31:20,719 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:31:20,719 INFO L899 garLoopResultBuilder]: For program point L829-1(lines 829 835) no Hoare annotation was computed. [2022-11-20 09:31:20,720 INFO L895 garLoopResultBuilder]: At program point L854(lines 809 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,720 INFO L895 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,720 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:31:20,720 INFO L895 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,721 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,721 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2022-11-20 09:31:20,721 INFO L895 garLoopResultBuilder]: At program point L847-2(lines 839 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,721 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,722 INFO L899 garLoopResultBuilder]: For program point L810(lines 809 856) no Hoare annotation was computed. [2022-11-20 09:31:20,722 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 852) no Hoare annotation was computed. [2022-11-20 09:31:20,722 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,722 INFO L902 garLoopResultBuilder]: At program point L860(lines 799 864) the Hoare annotation is: true [2022-11-20 09:31:20,722 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2022-11-20 09:31:20,723 INFO L899 garLoopResultBuilder]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2022-11-20 09:31:20,723 INFO L902 garLoopResultBuilder]: At program point L654(lines 646 656) the Hoare annotation is: true [2022-11-20 09:31:20,723 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2022-11-20 09:31:20,723 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,723 INFO L895 garLoopResultBuilder]: At program point L642(lines 638 644) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 09:31:20,724 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2022-11-20 09:31:20,724 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-11-20 09:31:20,724 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-11-20 09:31:20,728 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 09:31:20,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:31:20,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:31:20 BoogieIcfgContainer [2022-11-20 09:31:20,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:31:20,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:31:20,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:31:20,749 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:31:20,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:19" (3/4) ... [2022-11-20 09:31:20,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:31:20,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:31:20,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:31:20,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:31:20,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 09:31:20,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:31:20,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 09:31:20,767 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:31:20,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:31:20,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:20,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:20,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-11-20 09:31:20,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-20 09:31:20,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-20 09:31:20,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-11-20 09:31:20,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-11-20 09:31:20,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive [2022-11-20 09:31:20,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:31:20,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:31:20,821 INFO L158 Benchmark]: Toolchain (without parser) took 2884.04ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 139.9MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:20,821 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:20,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.93ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 117.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.95ms. Allocated memory is still 180.4MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,823 INFO L158 Benchmark]: Boogie Preprocessor took 30.60ms. Allocated memory is still 180.4MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,823 INFO L158 Benchmark]: RCFGBuilder took 487.91ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 99.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,823 INFO L158 Benchmark]: TraceAbstraction took 1735.11ms. Allocated memory is still 180.4MB. Free memory was 99.3MB in the beginning and 145.2MB in the end (delta: -45.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,824 INFO L158 Benchmark]: Witness Printer took 72.01ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:31:20,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.93ms. Allocated memory is still 180.4MB. Free memory was 135.0MB in the beginning and 117.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.95ms. Allocated memory is still 180.4MB. Free memory was 117.2MB in the beginning and 115.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.60ms. Allocated memory is still 180.4MB. Free memory was 115.1MB in the beginning and 114.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.91ms. Allocated memory is still 180.4MB. Free memory was 113.6MB in the beginning and 99.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1735.11ms. Allocated memory is still 180.4MB. Free memory was 99.3MB in the beginning and 145.2MB in the end (delta: -45.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Witness Printer took 72.01ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 870]: 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 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 434 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 235 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 93 PreInvPairs, 107 NumberOfFragments, 183 HoareAnnotationTreeSize, 93 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 127 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 09:31:20,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e17dbbe-bf8c-472c-86f7-2dd83df9f2bd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE