./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF --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 ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:29:43,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:29:43,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:29:43,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:29:43,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:29:43,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:29:43,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:29:43,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:29:43,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:29:43,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:29:43,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:29:43,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:29:43,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:29:43,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:29:43,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:29:43,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:29:43,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:29:43,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:29:43,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:29:43,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:29:43,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:29:43,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:29:43,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:29:43,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:29:43,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:29:43,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:29:43,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:29:43,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:29:43,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:29:43,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:29:43,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:29:43,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:29:43,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:29:43,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:29:43,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:29:43,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:29:43,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:29:43,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:29:43,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:29:43,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:29:43,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:29:43,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:29:43,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:29:43,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:29:43,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:29:43,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:29:43,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:29:43,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:29:43,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:29:43,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:29:43,825 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:29:43,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:29:43,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:29:43,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:29:43,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:29:43,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:29:43,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:29:43,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:29:43,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:29:43,829 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:29:43,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:29:43,829 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:29:43,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:29:43,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:29:43,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:29:43,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:29:43,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:29:43,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:29:43,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:29:43,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:29:43,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:29:43,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:29:43,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:29:43,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:29:43,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:29:43,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:29:43,834 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_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccaa7fbdcb9338da1f8fd3ccb37732a1f2165a762a28b1457475bd920e3cf3c3 [2021-11-20 06:29:44,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:29:44,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:29:44,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:29:44,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:29:44,223 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:29:44,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-11-20 06:29:44,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/data/54d91f6ae/14b76f4e5e364850a8fb9d0c5a2de521/FLAG204f5d24a [2021-11-20 06:29:45,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:29:45,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c [2021-11-20 06:29:45,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/data/54d91f6ae/14b76f4e5e364850a8fb9d0c5a2de521/FLAG204f5d24a [2021-11-20 06:29:45,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/data/54d91f6ae/14b76f4e5e364850a8fb9d0c5a2de521 [2021-11-20 06:29:45,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:29:45,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:29:45,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:29:45,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:29:45,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:29:45,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b29568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45, skipping insertion in model container [2021-11-20 06:29:45,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:29:45,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:29:45,563 WARN L230 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_25710d91-0502-48d9-8c34-dca83fc1b348/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2021-11-20 06:29:45,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:29:45,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:29:45,764 WARN L230 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_25710d91-0502-48d9-8c34-dca83fc1b348/sv-benchmarks/c/product-lines/minepump_spec5_product29.cil.c[2141,2154] [2021-11-20 06:29:45,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:29:45,869 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:29:45,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45 WrapperNode [2021-11-20 06:29:45,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:29:45,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:29:45,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:29:45,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:29:45,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,935 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 248 [2021-11-20 06:29:45,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:29:45,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:29:45,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:29:45,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:29:45,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:45,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:46,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:46,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:46,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:29:46,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:29:46,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:29:46,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:29:46,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (1/1) ... [2021-11-20 06:29:46,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:29:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:29:46,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:29:46,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 06:29:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 06:29:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 06:29:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 06:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 06:29:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 06:29:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 06:29:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 06:29:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:29:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:29:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-20 06:29:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-20 06:29:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-20 06:29:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-20 06:29:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 06:29:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 06:29:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:29:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 06:29:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 06:29:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:29:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:29:46,223 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:29:46,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:29:46,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:29:46,661 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:29:46,662 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:29:46,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:46 BoogieIcfgContainer [2021-11-20 06:29:46,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:29:46,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:29:46,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:29:46,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:29:46,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:29:45" (1/3) ... [2021-11-20 06:29:46,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d5026d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:46, skipping insertion in model container [2021-11-20 06:29:46,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:29:45" (2/3) ... [2021-11-20 06:29:46,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d5026d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:29:46, skipping insertion in model container [2021-11-20 06:29:46,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:46" (3/3) ... [2021-11-20 06:29:46,676 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product29.cil.c [2021-11-20 06:29:46,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:29:46,683 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:29:46,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:29:46,750 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:29:46,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:29:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 06:29:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 06:29:46,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:29:46,787 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 06:29:46,788 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:29:46,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:46,794 INFO L85 PathProgramCache]: Analyzing trace with hash 162796435, now seen corresponding path program 1 times [2021-11-20 06:29:46,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:46,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077094856] [2021-11-20 06:29:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:46,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:29:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:29:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:29:47,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:47,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077094856] [2021-11-20 06:29:47,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077094856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:47,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:47,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:29:47,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142322120] [2021-11-20 06:29:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:47,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:29:47,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:47,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:29:47,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:29:47,099 INFO L87 Difference]: Start difference. First operand has 96 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:29:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:29:47,139 INFO L93 Difference]: Finished difference Result 183 states and 244 transitions. [2021-11-20 06:29:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:29:47,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 06:29:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:29:47,152 INFO L225 Difference]: With dead ends: 183 [2021-11-20 06:29:47,153 INFO L226 Difference]: Without dead ends: 87 [2021-11-20 06:29:47,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:29:47,161 INFO L933 BasicCegarLoop]: 119 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, 119 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 [2021-11-20 06:29:47,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:29:47,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-20 06:29:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-20 06:29:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 06:29:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 110 transitions. [2021-11-20 06:29:47,217 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 110 transitions. Word has length 32 [2021-11-20 06:29:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:29:47,217 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 110 transitions. [2021-11-20 06:29:47,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:29:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2021-11-20 06:29:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 06:29:47,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:29:47,222 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 06:29:47,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:29:47,223 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:29:47,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:47,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1237788034, now seen corresponding path program 1 times [2021-11-20 06:29:47,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:47,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001466980] [2021-11-20 06:29:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:47,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:29:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:29:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:29:47,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:47,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001466980] [2021-11-20 06:29:47,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001466980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:47,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:47,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:29:47,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556665589] [2021-11-20 06:29:47,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:47,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:29:47,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:47,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:29:47,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:29:47,378 INFO L87 Difference]: Start difference. First operand 87 states and 110 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:29:47,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:29:47,404 INFO L93 Difference]: Finished difference Result 139 states and 175 transitions. [2021-11-20 06:29:47,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:29:47,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-20 06:29:47,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:29:47,417 INFO L225 Difference]: With dead ends: 139 [2021-11-20 06:29:47,417 INFO L226 Difference]: Without dead ends: 78 [2021-11-20 06:29:47,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:29:47,420 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 178 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 [2021-11-20 06:29:47,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 178 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:29:47,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-20 06:29:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-20 06:29:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 06:29:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 98 transitions. [2021-11-20 06:29:47,447 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 98 transitions. Word has length 33 [2021-11-20 06:29:47,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:29:47,448 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 98 transitions. [2021-11-20 06:29:47,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:29:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2021-11-20 06:29:47,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 06:29:47,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:29:47,450 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 06:29:47,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:29:47,454 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:29:47,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:47,455 INFO L85 PathProgramCache]: Analyzing trace with hash -896282956, now seen corresponding path program 1 times [2021-11-20 06:29:47,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:47,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808403840] [2021-11-20 06:29:47,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:47,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:29:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:29:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:29:47,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:47,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808403840] [2021-11-20 06:29:47,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808403840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:47,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:47,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:29:47,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898662516] [2021-11-20 06:29:47,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:47,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:29:47,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:47,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:29:47,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:29:47,666 INFO L87 Difference]: Start difference. First operand 78 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:29:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:29:47,827 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2021-11-20 06:29:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:29:47,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-20 06:29:47,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:29:47,831 INFO L225 Difference]: With dead ends: 148 [2021-11-20 06:29:47,831 INFO L226 Difference]: Without dead ends: 78 [2021-11-20 06:29:47,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:29:47,837 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 126 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:29:47,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 197 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:29:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-20 06:29:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-20 06:29:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 57 states have (on average 1.280701754385965) internal successors, (73), 64 states have internal predecessors, (73), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 06:29:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2021-11-20 06:29:47,865 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 37 [2021-11-20 06:29:47,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:29:47,867 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-11-20 06:29:47,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:29:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2021-11-20 06:29:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-20 06:29:47,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:29:47,874 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1] [2021-11-20 06:29:47,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:29:47,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:29:47,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:29:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash 866173904, now seen corresponding path program 1 times [2021-11-20 06:29:47,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:29:47,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945140483] [2021-11-20 06:29:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:29:47,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:29:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:29:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:29:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:29:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 06:29:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:29:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:29:48,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:29:48,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945140483] [2021-11-20 06:29:48,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945140483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:29:48,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:29:48,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:29:48,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029462037] [2021-11-20 06:29:48,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:29:48,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:29:48,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:29:48,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:29:48,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:29:48,085 INFO L87 Difference]: Start difference. First operand 78 states and 97 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 06:29:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:29:48,257 INFO L93 Difference]: Finished difference Result 127 states and 160 transitions. [2021-11-20 06:29:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:29:48,258 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2021-11-20 06:29:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:29:48,260 INFO L225 Difference]: With dead ends: 127 [2021-11-20 06:29:48,261 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:29:48,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:29:48,275 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:29:48,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 188 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:29:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:29:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:29:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:29:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:29:48,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2021-11-20 06:29:48,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:29:48,281 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:29:48,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 06:29:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:29:48,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:29:48,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:29:48,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:29:48,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:29:48,653 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 413 420) the Hoare annotation is: true [2021-11-20 06:29:48,656 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2021-11-20 06:29:48,656 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 413 420) no Hoare annotation was computed. [2021-11-20 06:29:48,657 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 329 335) no Hoare annotation was computed. [2021-11-20 06:29:48,658 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 329 335) the Hoare annotation is: true [2021-11-20 06:29:48,658 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 130 141) the Hoare annotation is: true [2021-11-20 06:29:48,659 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 130 141) no Hoare annotation was computed. [2021-11-20 06:29:48,659 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 130 141) no Hoare annotation was computed. [2021-11-20 06:29:48,660 INFO L858 garLoopResultBuilder]: For program point L960(lines 960 966) no Hoare annotation was computed. [2021-11-20 06:29:48,662 INFO L854 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,664 INFO L854 garLoopResultBuilder]: At program point L382-1(lines 363 387) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,665 INFO L854 garLoopResultBuilder]: At program point L93(lines 88 95) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,665 INFO L858 garLoopResultBuilder]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2021-11-20 06:29:48,665 INFO L854 garLoopResultBuilder]: At program point L944(lines 937 946) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,665 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-11-20 06:29:48,667 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 106 117) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,667 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 302 328) no Hoare annotation was computed. [2021-11-20 06:29:48,668 INFO L854 garLoopResultBuilder]: At program point L957(line 957) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,668 INFO L858 garLoopResultBuilder]: For program point L957-1(line 957) no Hoare annotation was computed. [2021-11-20 06:29:48,669 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 315) no Hoare annotation was computed. [2021-11-20 06:29:48,669 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 305 327) no Hoare annotation was computed. [2021-11-20 06:29:48,669 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 379) no Hoare annotation was computed. [2021-11-20 06:29:48,669 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 384) no Hoare annotation was computed. [2021-11-20 06:29:48,669 INFO L854 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,670 INFO L858 garLoopResultBuilder]: For program point L942-1(line 942) no Hoare annotation was computed. [2021-11-20 06:29:48,670 INFO L858 garLoopResultBuilder]: For program point L959(lines 959 969) no Hoare annotation was computed. [2021-11-20 06:29:48,670 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-20 06:29:48,670 INFO L858 garLoopResultBuilder]: For program point L955(lines 955 972) no Hoare annotation was computed. [2021-11-20 06:29:48,670 INFO L854 garLoopResultBuilder]: At program point L955-1(lines 947 975) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,671 INFO L854 garLoopResultBuilder]: At program point L377(line 377) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,671 INFO L854 garLoopResultBuilder]: At program point L373(line 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,671 INFO L854 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,671 INFO L854 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,671 INFO L858 garLoopResultBuilder]: For program point L369-1(line 369) no Hoare annotation was computed. [2021-11-20 06:29:48,672 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 302 328) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,672 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 302 328) no Hoare annotation was computed. [2021-11-20 06:29:48,672 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-20 06:29:48,672 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 195 224) no Hoare annotation was computed. [2021-11-20 06:29:48,675 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 195 224) the Hoare annotation is: true [2021-11-20 06:29:48,676 INFO L861 garLoopResultBuilder]: At program point L220(lines 195 224) the Hoare annotation is: true [2021-11-20 06:29:48,676 INFO L858 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2021-11-20 06:29:48,676 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 213) no Hoare annotation was computed. [2021-11-20 06:29:48,679 INFO L861 garLoopResultBuilder]: At program point L209-1(lines 209 213) the Hoare annotation is: true [2021-11-20 06:29:48,680 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-20 06:29:48,680 INFO L861 garLoopResultBuilder]: At program point L205-2(lines 205 219) the Hoare annotation is: true [2021-11-20 06:29:48,680 INFO L861 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: true [2021-11-20 06:29:48,680 INFO L858 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed. [2021-11-20 06:29:48,680 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-11-20 06:29:48,681 INFO L854 garLoopResultBuilder]: At program point L254(lines 250 256) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:29:48,681 INFO L854 garLoopResultBuilder]: At program point L543-2(lines 537 548) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:29:48,681 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-11-20 06:29:48,682 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2021-11-20 06:29:48,682 INFO L861 garLoopResultBuilder]: At program point L556(lines 497 560) the Hoare annotation is: true [2021-11-20 06:29:48,682 INFO L861 garLoopResultBuilder]: At program point L267(lines 259 269) the Hoare annotation is: true [2021-11-20 06:29:48,682 INFO L854 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:29:48,682 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:29:48,683 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:29:48,683 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:29:48,683 INFO L858 garLoopResultBuilder]: For program point L280(lines 280 287) no Hoare annotation was computed. [2021-11-20 06:29:48,683 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 287) no Hoare annotation was computed. [2021-11-20 06:29:48,683 INFO L854 garLoopResultBuilder]: At program point L553(lines 506 554) the Hoare annotation is: false [2021-11-20 06:29:48,684 INFO L861 garLoopResultBuilder]: At program point L289(lines 270 292) the Hoare annotation is: true [2021-11-20 06:29:48,684 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:29:48,684 INFO L858 garLoopResultBuilder]: For program point L508(lines 507 552) no Hoare annotation was computed. [2021-11-20 06:29:48,684 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 548) no Hoare annotation was computed. [2021-11-20 06:29:48,684 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:29:48,685 INFO L854 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:29:48,685 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:29:48,685 INFO L854 garLoopResultBuilder]: At program point L934(lines 929 936) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-20 06:29:48,686 INFO L854 garLoopResultBuilder]: At program point L550(lines 507 552) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:29:48,687 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2021-11-20 06:29:48,687 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2021-11-20 06:29:48,687 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-11-20 06:29:48,688 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:29:48,688 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 118 129) no Hoare annotation was computed. [2021-11-20 06:29:48,688 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 118 129) no Hoare annotation was computed. [2021-11-20 06:29:48,689 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 118 129) the Hoare annotation is: true [2021-11-20 06:29:48,690 INFO L854 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,690 INFO L854 garLoopResultBuilder]: At program point L188(lines 183 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,690 INFO L854 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,691 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 353) no Hoare annotation was computed. [2021-11-20 06:29:48,691 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 358) no Hoare annotation was computed. [2021-11-20 06:29:48,692 INFO L854 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= ~systemActive~0 1))) [2021-11-20 06:29:48,692 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-11-20 06:29:48,692 INFO L858 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-11-20 06:29:48,692 INFO L854 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,692 INFO L858 garLoopResultBuilder]: For program point L356-1(lines 337 361) no Hoare annotation was computed. [2021-11-20 06:29:48,692 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 337 361) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:29:48,693 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 337 361) no Hoare annotation was computed. [2021-11-20 06:29:48,693 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2021-11-20 06:29:48,693 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 432 440) the Hoare annotation is: true [2021-11-20 06:29:48,693 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 432 440) no Hoare annotation was computed. [2021-11-20 06:29:48,693 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 421 431) the Hoare annotation is: true [2021-11-20 06:29:48,694 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 421 431) no Hoare annotation was computed. [2021-11-20 06:29:48,694 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 421 431) no Hoare annotation was computed. [2021-11-20 06:29:48,694 INFO L861 garLoopResultBuilder]: At program point L147(lines 142 150) the Hoare annotation is: true [2021-11-20 06:29:48,699 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 06:29:48,702 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:29:48,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:29:48 BoogieIcfgContainer [2021-11-20 06:29:48,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:29:48,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:29:48,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:29:48,743 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:29:48,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:29:46" (3/4) ... [2021-11-20 06:29:48,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:29:48,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 06:29:48,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 06:29:48,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 06:29:48,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 06:29:48,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 06:29:48,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 06:29:48,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-20 06:29:48,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-20 06:29:48,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-20 06:29:48,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-11-20 06:29:48,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 06:29:48,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:29:48,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:29:48,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:29:48,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:29:48,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:29:48,807 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2021-11-20 06:29:48,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 06:29:48,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2021-11-20 06:29:48,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2021-11-20 06:29:48,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-20 06:29:48,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-11-20 06:29:48,810 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-20 06:29:48,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-20 06:29:48,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-11-20 06:29:48,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-20 06:29:48,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-11-20 06:29:48,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(systemActive == 1) [2021-11-20 06:29:48,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:29:48,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:29:48,845 INFO L158 Benchmark]: Toolchain (without parser) took 3562.02ms. Allocated memory is still 144.7MB. Free memory was 111.3MB in the beginning and 99.4MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,846 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:29:48,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.87ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 111.2MB in the end (delta: -158.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.53ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,847 INFO L158 Benchmark]: Boogie Preprocessor took 66.20ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,847 INFO L158 Benchmark]: RCFGBuilder took 652.94ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 90.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,848 INFO L158 Benchmark]: TraceAbstraction took 2074.84ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 105.7MB in the end (delta: -15.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,848 INFO L158 Benchmark]: Witness Printer took 102.41ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 99.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:29:48,851 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 83.9MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.87ms. Allocated memory is still 144.7MB. Free memory was 111.0MB in the beginning and 111.2MB in the end (delta: -158.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.53ms. Allocated memory is still 144.7MB. Free memory was 111.2MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.20ms. Allocated memory is still 144.7MB. Free memory was 108.5MB in the beginning and 107.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.94ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 90.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2074.84ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 105.7MB in the end (delta: -15.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 102.41ms. Allocated memory is still 144.7MB. Free memory was 105.7MB in the beginning and 99.4MB in the end (delta: 6.3MB). 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: 92]: 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 10 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 193 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 188 mSDsluCounter, 682 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 358 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 44 LocationsWithAnnotation, 224 PreInvPairs, 238 NumberOfFragments, 331 HoareAnnotationTreeSize, 224 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 155 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(systemActive == 1) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:29:48,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25710d91-0502-48d9-8c34-dca83fc1b348/bin/uautomizer-DQz5hQGWxF/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