./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- 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 12:40:12,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:40:12,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:40:12,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:40:12,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:40:12,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:40:12,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:40:12,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:40:12,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:40:12,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:40:12,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:40:12,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:40:12,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:40:12,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:40:12,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:40:12,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:40:12,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:40:12,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:40:12,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:40:12,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:40:12,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:40:12,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:40:12,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:40:12,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:40:12,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:40:12,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:40:12,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:40:12,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:40:12,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:40:12,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:40:12,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:40:12,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:40:12,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:40:12,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:40:12,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:40:12,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:40:12,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:40:12,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:40:12,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:40:12,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:40:12,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:40:12,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:40:12,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:40:12,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:40:12,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:40:12,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:40:12,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:40:12,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:40:12,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:40:12,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:40:12,713 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:40:12,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:40:12,713 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:40:12,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:40:12,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:40:12,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:40:12,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:40:12,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:40:12,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:40:12,715 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:40:12,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:40:12,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:40:12,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:40:12,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:40:12,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:40:12,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:40:12,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:12,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:40:12,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:40:12,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:40:12,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:40:12,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:40:12,729 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:40:12,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:40:12,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:40:12,730 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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2022-11-20 12:40:12,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:40:13,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:40:13,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:40:13,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:40:13,028 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:40:13,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-11-20 12:40:16,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:40:16,320 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:40:16,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-11-20 12:40:16,332 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/data/2635ba25e/7a062391a74f40ba95541368fb2a8499/FLAG3939f6382 [2022-11-20 12:40:16,347 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/data/2635ba25e/7a062391a74f40ba95541368fb2a8499 [2022-11-20 12:40:16,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:40:16,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:40:16,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:16,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:40:16,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:40:16,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56566334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16, skipping insertion in model container [2022-11-20 12:40:16,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:40:16,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:40:16,660 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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2022-11-20 12:40:16,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:16,737 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:40:16,813 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_f8c766a4-757e-4123-ba08-adfc9b88d5e9/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2022-11-20 12:40:16,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:40:16,850 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:40:16,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16 WrapperNode [2022-11-20 12:40:16,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:40:16,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:16,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:40:16,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:40:16,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,929 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 178 [2022-11-20 12:40:16,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:40:16,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:40:16,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:40:16,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:40:16,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:40:16,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:40:16,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:40:16,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:40:16,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (1/1) ... [2022-11-20 12:40:16,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:40:17,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:40:17,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:40:17,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:40:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:40:17,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 12:40:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 12:40:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 12:40:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 12:40:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 12:40:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 12:40:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 12:40:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 12:40:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 12:40:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 12:40:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-20 12:40:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-20 12:40:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 12:40:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 12:40:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:40:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 12:40:17,067 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 12:40:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:40:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:40:17,162 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:40:17,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:40:17,599 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:40:17,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:40:17,608 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:40:17,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:17 BoogieIcfgContainer [2022-11-20 12:40:17,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:40:17,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:40:17,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:40:17,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:40:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:40:16" (1/3) ... [2022-11-20 12:40:17,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e6b781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:40:17, skipping insertion in model container [2022-11-20 12:40:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:40:16" (2/3) ... [2022-11-20 12:40:17,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e6b781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:40:17, skipping insertion in model container [2022-11-20 12:40:17,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:17" (3/3) ... [2022-11-20 12:40:17,637 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2022-11-20 12:40:17,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:40:17,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:40:17,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:40:17,726 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;@60b88570, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:40:17,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:40:17,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 12:40:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:40:17,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:17,741 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] [2022-11-20 12:40:17,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:17,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1781837608, now seen corresponding path program 1 times [2022-11-20 12:40:17,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:17,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166236000] [2022-11-20 12:40:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:40:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,023 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 12:40:18,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:18,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166236000] [2022-11-20 12:40:18,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166236000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:18,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:18,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:40:18,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304954139] [2022-11-20 12:40:18,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:18,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:40:18,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:18,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:40:18,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:40:18,096 INFO L87 Difference]: Start difference. First operand has 88 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 12:40:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:18,149 INFO L93 Difference]: Finished difference Result 168 states and 227 transitions. [2022-11-20 12:40:18,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:40:18,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-11-20 12:40:18,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:18,175 INFO L225 Difference]: With dead ends: 168 [2022-11-20 12:40:18,176 INFO L226 Difference]: Without dead ends: 79 [2022-11-20 12:40:18,181 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 12:40:18,186 INFO L413 NwaCegarLoop]: 110 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, 110 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 12:40:18,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:40:18,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-20 12:40:18,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-20 12:40:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 12:40:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-11-20 12:40:18,240 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 23 [2022-11-20 12:40:18,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:18,241 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-11-20 12:40:18,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 12:40:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-11-20 12:40:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:40:18,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:18,245 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] [2022-11-20 12:40:18,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:40:18,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:18,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1348077746, now seen corresponding path program 1 times [2022-11-20 12:40:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:18,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127962700] [2022-11-20 12:40:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:40:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,462 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 12:40:18,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:18,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127962700] [2022-11-20 12:40:18,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127962700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:18,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:18,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:40:18,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383397422] [2022-11-20 12:40:18,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:18,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:40:18,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:18,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:40:18,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:40:18,467 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 12:40:18,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:18,488 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2022-11-20 12:40:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:40:18,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-11-20 12:40:18,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:18,491 INFO L225 Difference]: With dead ends: 123 [2022-11-20 12:40:18,491 INFO L226 Difference]: Without dead ends: 70 [2022-11-20 12:40:18,492 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 12:40:18,494 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 13 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 159 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 12:40:18,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:40:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-20 12:40:18,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-20 12:40:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 58 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 12:40:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-11-20 12:40:18,508 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 24 [2022-11-20 12:40:18,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:18,508 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-11-20 12:40:18,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 12:40:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-11-20 12:40:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 12:40:18,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:18,513 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] [2022-11-20 12:40:18,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:40:18,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1229903247, now seen corresponding path program 1 times [2022-11-20 12:40:18,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:18,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313575758] [2022-11-20 12:40:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:40:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,681 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 12:40:18,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:18,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313575758] [2022-11-20 12:40:18,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313575758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:18,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:18,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:40:18,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666585917] [2022-11-20 12:40:18,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:18,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:40:18,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:18,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:40:18,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:40:18,691 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 12:40:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:18,726 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2022-11-20 12:40:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:40:18,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2022-11-20 12:40:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:18,728 INFO L225 Difference]: With dead ends: 133 [2022-11-20 12:40:18,728 INFO L226 Difference]: Without dead ends: 70 [2022-11-20 12:40:18,729 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 12:40:18,731 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 83 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:18,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 87 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:40:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-20 12:40:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-20 12:40:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 58 states have internal predecessors, (66), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 12:40:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2022-11-20 12:40:18,747 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 29 [2022-11-20 12:40:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:18,748 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2022-11-20 12:40:18,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 12:40:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-11-20 12:40:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 12:40:18,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:40:18,750 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:40:18,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:40:18,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:40:18,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:40:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1434399272, now seen corresponding path program 1 times [2022-11-20 12:40:18,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:40:18,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234499906] [2022-11-20 12:40:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:40:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:40:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:40:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:40:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 12:40:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:40:18,915 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 12:40:18,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:40:18,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234499906] [2022-11-20 12:40:18,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234499906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:40:18,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:40:18,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:40:18,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914892266] [2022-11-20 12:40:18,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:40:18,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:40:18,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:40:18,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:40:18,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:40:18,919 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:40:19,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:40:19,062 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2022-11-20 12:40:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:40:19,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-11-20 12:40:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:40:19,064 INFO L225 Difference]: With dead ends: 116 [2022-11-20 12:40:19,064 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:40:19,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:40:19,067 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 70 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:40:19,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 129 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:40:19,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:40:19,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:40:19,069 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 12:40:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:40:19,069 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-20 12:40:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:40:19,070 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:40:19,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:40:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:40:19,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:40:19,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:40:19,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:40:19,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:40:19,385 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 783 790) the Hoare annotation is: true [2022-11-20 12:40:19,386 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 783 790) no Hoare annotation was computed. [2022-11-20 12:40:19,386 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 783 790) no Hoare annotation was computed. [2022-11-20 12:40:19,386 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2022-11-20 12:40:19,386 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2022-11-20 12:40:19,386 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 623 634) the Hoare annotation is: true [2022-11-20 12:40:19,387 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 623 634) no Hoare annotation was computed. [2022-11-20 12:40:19,387 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 623 634) no Hoare annotation was computed. [2022-11-20 12:40:19,387 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,387 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-20 12:40:19,388 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2022-11-20 12:40:19,388 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 766) no Hoare annotation was computed. [2022-11-20 12:40:19,388 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 771) no Hoare annotation was computed. [2022-11-20 12:40:19,388 INFO L895 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,389 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2022-11-20 12:40:19,389 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,389 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2022-11-20 12:40:19,389 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-11-20 12:40:19,390 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2022-11-20 12:40:19,390 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,390 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,390 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2022-11-20 12:40:19,391 INFO L895 garLoopResultBuilder]: At program point L603-2(lines 599 610) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,391 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,391 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,392 INFO L895 garLoopResultBuilder]: At program point L769-1(lines 750 774) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,392 INFO L895 garLoopResultBuilder]: At program point L798(lines 791 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,392 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2022-11-20 12:40:19,392 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,392 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2022-11-20 12:40:19,393 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2022-11-20 12:40:19,393 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-11-20 12:40:19,393 INFO L895 garLoopResultBuilder]: At program point L807(lines 802 810) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-20 12:40:19,393 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2022-11-20 12:40:19,394 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2022-11-20 12:40:19,394 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2022-11-20 12:40:19,394 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2022-11-20 12:40:19,394 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2022-11-20 12:40:19,395 INFO L902 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2022-11-20 12:40:19,395 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-20 12:40:19,395 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-11-20 12:40:19,395 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2022-11-20 12:40:19,396 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-20 12:40:19,396 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 635 643) the Hoare annotation is: true [2022-11-20 12:40:19,396 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 635 643) no Hoare annotation was computed. [2022-11-20 12:40:19,396 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 635 643) no Hoare annotation was computed. [2022-11-20 12:40:19,396 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2022-11-20 12:40:19,397 INFO L895 garLoopResultBuilder]: At program point L923-2(lines 915 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 12:40:19,397 INFO L899 garLoopResultBuilder]: For program point L886(lines 885 932) no Hoare annotation was computed. [2022-11-20 12:40:19,397 INFO L902 garLoopResultBuilder]: At program point L213(lines 194 216) the Hoare annotation is: true [2022-11-20 12:40:19,397 INFO L895 garLoopResultBuilder]: At program point L180(lines 176 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 12:40:19,398 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 928) no Hoare annotation was computed. [2022-11-20 12:40:19,398 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 12:40:19,398 INFO L902 garLoopResultBuilder]: At program point L936(lines 875 940) the Hoare annotation is: true [2022-11-20 12:40:19,398 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:40:19,399 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2022-11-20 12:40:19,399 INFO L899 garLoopResultBuilder]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2022-11-20 12:40:19,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:40:19,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:40:19,399 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 891) no Hoare annotation was computed. [2022-11-20 12:40:19,400 INFO L895 garLoopResultBuilder]: At program point L871(lines 866 873) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 12:40:19,400 INFO L895 garLoopResultBuilder]: At program point L933(lines 884 934) the Hoare annotation is: false [2022-11-20 12:40:19,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:40:19,400 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 12:40:19,401 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 12:40:19,401 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-11-20 12:40:19,401 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2022-11-20 12:40:19,401 INFO L895 garLoopResultBuilder]: At program point L930(lines 885 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 12:40:19,402 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 12:40:19,402 INFO L902 garLoopResultBuilder]: At program point L191(lines 184 193) the Hoare annotation is: true [2022-11-20 12:40:19,402 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2022-11-20 12:40:19,402 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2022-11-20 12:40:19,402 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 12:40:19,403 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 611 622) no Hoare annotation was computed. [2022-11-20 12:40:19,403 INFO L899 garLoopResultBuilder]: For program point L615-1(lines 611 622) no Hoare annotation was computed. [2022-11-20 12:40:19,403 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 611 622) the Hoare annotation is: true [2022-11-20 12:40:19,403 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,404 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,404 INFO L895 garLoopResultBuilder]: At program point L862(lines 847 865) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,404 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,404 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 724 748) no Hoare annotation was computed. [2022-11-20 12:40:19,405 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-11-20 12:40:19,405 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-11-20 12:40:19,405 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 860) no Hoare annotation was computed. [2022-11-20 12:40:19,405 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 860) no Hoare annotation was computed. [2022-11-20 12:40:19,405 INFO L895 garLoopResultBuilder]: At program point L681(lines 676 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,406 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-20 12:40:19,406 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2022-11-20 12:40:19,409 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 12:40:19,412 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:40:19,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:40:19 BoogieIcfgContainer [2022-11-20 12:40:19,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:40:19,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:40:19,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:40:19,429 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:40:19,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:40:17" (3/4) ... [2022-11-20 12:40:19,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:40:19,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 12:40:19,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 12:40:19,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 12:40:19,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 12:40:19,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 12:40:19,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 12:40:19,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 12:40:19,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-20 12:40:19,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 12:40:19,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:40:19,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:40:19,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:40:19,450 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:40:19,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 12:40:19,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 12:40:19,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-20 12:40:19,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 12:40:19,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) [2022-11-20 12:40:19,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 12:40:19,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 12:40:19,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-20 12:40:19,500 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:40:19,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:40:19,501 INFO L158 Benchmark]: Toolchain (without parser) took 3149.67ms. Allocated memory is still 159.4MB. Free memory was 126.7MB in the beginning and 61.0MB in the end (delta: 65.7MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,501 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory was 128.8MB in the beginning and 128.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:40:19,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.66ms. Allocated memory is still 159.4MB. Free memory was 126.7MB in the beginning and 107.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.06ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,503 INFO L158 Benchmark]: Boogie Preprocessor took 54.00ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:40:19,503 INFO L158 Benchmark]: RCFGBuilder took 625.81ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 88.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,503 INFO L158 Benchmark]: TraceAbstraction took 1799.09ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 66.5MB in the end (delta: 21.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,504 INFO L158 Benchmark]: Witness Printer took 71.46ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 61.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:40:19,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 159.4MB. Free memory was 128.8MB in the beginning and 128.7MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.66ms. Allocated memory is still 159.4MB. Free memory was 126.7MB in the beginning and 107.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.06ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 105.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.00ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 104.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 625.81ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 88.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1799.09ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 66.5MB in the end (delta: 21.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Witness Printer took 71.46ms. Allocated memory is still 159.4MB. Free memory was 66.5MB in the beginning and 61.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. 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: 588]: 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 9 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 485 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 323 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 41 LocationsWithAnnotation, 207 PreInvPairs, 222 NumberOfFragments, 282 HoareAnnotationTreeSize, 207 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 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: 176]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:40:19,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c766a4-757e-4123-ba08-adfc9b88d5e9/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