./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa --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 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:45:26,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:45:26,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:45:26,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:45:26,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:45:26,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:45:26,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:45:26,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:45:26,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:45:26,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:45:26,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:45:26,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:45:26,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:45:26,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:45:26,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:45:26,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:45:26,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:45:26,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:45:26,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:45:26,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:45:26,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:45:26,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:45:26,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:45:26,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:45:26,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:45:26,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:45:26,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:45:26,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:45:26,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:45:26,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:45:26,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:45:26,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:45:26,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:45:26,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:45:26,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:45:26,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:45:26,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:45:26,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:45:26,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:45:26,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:45:26,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:45:26,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:45:26,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:45:26,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:45:26,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:45:26,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:45:26,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:45:26,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:45:26,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:45:26,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:45:26,663 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:45:26,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:45:26,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:45:26,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:45:26,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:45:26,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:45:26,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:45:26,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:45:26,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:45:26,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:45:26,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:45:26,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:45:26,667 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_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2021-12-06 17:45:26,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:45:26,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:45:26,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:45:26,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:45:26,878 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:45:26,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-12-06 17:45:26,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/data/368df1a7b/9f36766903eb41b6a9c602c6e50561ea/FLAG23b2bb631 [2021-12-06 17:45:27,282 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:45:27,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2021-12-06 17:45:27,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/data/368df1a7b/9f36766903eb41b6a9c602c6e50561ea/FLAG23b2bb631 [2021-12-06 17:45:27,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/data/368df1a7b/9f36766903eb41b6a9c602c6e50561ea [2021-12-06 17:45:27,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:45:27,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:45:27,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:45:27,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:45:27,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:45:27,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:27,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b80e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27, skipping insertion in model container [2021-12-06 17:45:27,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:27,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:45:27,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:45:27,866 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_d514071d-08cf-4113-a664-4b1c35b84838/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-12-06 17:45:27,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:45:27,876 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:45:27,928 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_d514071d-08cf-4113-a664-4b1c35b84838/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c[18223,18236] [2021-12-06 17:45:27,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:45:27,943 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:45:27,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27 WrapperNode [2021-12-06 17:45:27,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:45:27,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:45:27,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:45:27,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:45:27,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:27,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:27,995 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 246 [2021-12-06 17:45:27,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:45:27,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:45:27,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:45:27,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:45:28,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:45:28,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:45:28,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:45:28,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:45:28,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (1/1) ... [2021-12-06 17:45:28,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:45:28,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:45:28,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:45:28,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:45:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:45:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 17:45:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 17:45:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 17:45:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 17:45:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 17:45:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 17:45:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 17:45:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 17:45:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:45:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:45:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 17:45:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 17:45:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 17:45:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 17:45:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:45:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 17:45:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 17:45:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:45:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:45:28,163 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:45:28,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:45:28,386 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:45:28,392 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:45:28,392 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:45:28,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:28 BoogieIcfgContainer [2021-12-06 17:45:28,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:45:28,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:45:28,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:45:28,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:45:28,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:45:27" (1/3) ... [2021-12-06 17:45:28,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f6fcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:45:28, skipping insertion in model container [2021-12-06 17:45:28,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:27" (2/3) ... [2021-12-06 17:45:28,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f6fcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:45:28, skipping insertion in model container [2021-12-06 17:45:28,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:28" (3/3) ... [2021-12-06 17:45:28,400 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2021-12-06 17:45:28,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:45:28,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:45:28,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:45:28,444 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 [2021-12-06 17:45:28,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:45:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 17:45:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 17:45:28,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:45:28,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:28,463 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:45:28,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:28,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1651489756, now seen corresponding path program 1 times [2021-12-06 17:45:28,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:28,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001103136] [2021-12-06 17:45:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:28,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:28,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:28,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001103136] [2021-12-06 17:45:28,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001103136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:28,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:28,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:45:28,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291189081] [2021-12-06 17:45:28,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:28,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:45:28,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:28,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:45:28,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:45:28,641 INFO L87 Difference]: Start difference. First operand has 87 states, 64 states have (on average 1.375) internal successors, (88), 72 states have internal predecessors, (88), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:28,668 INFO L93 Difference]: Finished difference Result 166 states and 223 transitions. [2021-12-06 17:45:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:45:28,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-06 17:45:28,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:45:28,676 INFO L225 Difference]: With dead ends: 166 [2021-12-06 17:45:28,677 INFO L226 Difference]: Without dead ends: 78 [2021-12-06 17:45:28,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:45:28,682 INFO L933 BasicCegarLoop]: 108 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, 108 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 [2021-12-06 17:45:28,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:45:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-06 17:45:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-06 17:45:28,720 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), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 17:45:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2021-12-06 17:45:28,725 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 19 [2021-12-06 17:45:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:45:28,725 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2021-12-06 17:45:28,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2021-12-06 17:45:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 17:45:28,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:45:28,728 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:28,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:45:28,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:45:28,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:28,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1176523386, now seen corresponding path program 1 times [2021-12-06 17:45:28,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:28,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158580177] [2021-12-06 17:45:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:28,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:28,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:28,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158580177] [2021-12-06 17:45:28,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158580177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:28,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:28,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:45:28,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157878171] [2021-12-06 17:45:28,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:28,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:45:28,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:28,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:45:28,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:45:28,803 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:28,820 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2021-12-06 17:45:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:45:28,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-12-06 17:45:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:45:28,822 INFO L225 Difference]: With dead ends: 121 [2021-12-06 17:45:28,822 INFO L226 Difference]: Without dead ends: 69 [2021-12-06 17:45:28,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:45:28,825 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 155 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 [2021-12-06 17:45:28,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:45:28,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-06 17:45:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-06 17:45:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 58 states have internal predecessors, (67), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 17:45:28,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2021-12-06 17:45:28,834 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 20 [2021-12-06 17:45:28,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:45:28,834 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2021-12-06 17:45:28,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-12-06 17:45:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 17:45:28,835 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:45:28,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:28,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:45:28,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:45:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash 59160395, now seen corresponding path program 1 times [2021-12-06 17:45:28,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607225711] [2021-12-06 17:45:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:28,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:28,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:28,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607225711] [2021-12-06 17:45:28,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607225711] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:28,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:28,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:45:28,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776483284] [2021-12-06 17:45:28,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:28,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:45:28,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:28,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:45:28,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:45:28,901 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:28,945 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2021-12-06 17:45:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:45:28,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 17:45:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:45:28,947 INFO L225 Difference]: With dead ends: 131 [2021-12-06 17:45:28,947 INFO L226 Difference]: Without dead ends: 69 [2021-12-06 17:45:28,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:45:28,948 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 112 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:45:28,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 208 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:45:28,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-12-06 17:45:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-12-06 17:45:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 58 states have internal predecessors, (66), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 17:45:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2021-12-06 17:45:28,957 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 25 [2021-12-06 17:45:28,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:45:28,957 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2021-12-06 17:45:28,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:45:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-12-06 17:45:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 17:45:28,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:45:28,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:28,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:45:28,959 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:45:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1213028198, now seen corresponding path program 1 times [2021-12-06 17:45:28,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:28,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102546305] [2021-12-06 17:45:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:28,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 17:45:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:45:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:29,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:29,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102546305] [2021-12-06 17:45:29,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102546305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:29,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:29,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:45:29,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180150722] [2021-12-06 17:45:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:29,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:45:29,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:29,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:45:29,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:45:29,026 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:45:29,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:29,188 INFO L93 Difference]: Finished difference Result 208 states and 268 transitions. [2021-12-06 17:45:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:45:29,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 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 35 [2021-12-06 17:45:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:45:29,192 INFO L225 Difference]: With dead ends: 208 [2021-12-06 17:45:29,192 INFO L226 Difference]: Without dead ends: 146 [2021-12-06 17:45:29,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:45:29,195 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 135 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:45:29,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 289 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:45:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-12-06 17:45:29,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 124. [2021-12-06 17:45:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 90 states have (on average 1.288888888888889) internal successors, (116), 102 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 13 states have return successors, (21), 11 states have call predecessors, (21), 20 states have call successors, (21) [2021-12-06 17:45:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2021-12-06 17:45:29,218 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 35 [2021-12-06 17:45:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:45:29,219 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2021-12-06 17:45:29,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:45:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2021-12-06 17:45:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-06 17:45:29,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:45:29,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:45:29,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:45:29,221 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:45:29,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:45:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash -328174400, now seen corresponding path program 1 times [2021-12-06 17:45:29,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:45:29,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118229810] [2021-12-06 17:45:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:45:29,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:45:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:45:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 17:45:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:45:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:45:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:45:29,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:45:29,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118229810] [2021-12-06 17:45:29,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118229810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:45:29,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:45:29,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:45:29,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121882849] [2021-12-06 17:45:29,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:45:29,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:45:29,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:45:29,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:45:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:45:29,305 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:45:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:45:29,382 INFO L93 Difference]: Finished difference Result 203 states and 261 transitions. [2021-12-06 17:45:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:45:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 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 [2021-12-06 17:45:29,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:45:29,383 INFO L225 Difference]: With dead ends: 203 [2021-12-06 17:45:29,383 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:45:29,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:45:29,386 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 69 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:45:29,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 146 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:45:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:45:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:45:29,387 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) [2021-12-06 17:45:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:45:29,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-12-06 17:45:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:45:29,388 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:45:29,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:45:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:45:29,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:45:29,390 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:45:29,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:45:29,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:45:29,721 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2021-12-06 17:45:29,721 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2021-12-06 17:45:29,721 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2021-12-06 17:45:29,721 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 206 212) no Hoare annotation was computed. [2021-12-06 17:45:29,721 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 206 212) the Hoare annotation is: true [2021-12-06 17:45:29,721 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2021-12-06 17:45:29,721 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:45:29,722 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-12-06 17:45:29,722 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2021-12-06 17:45:29,722 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-12-06 17:45:29,722 INFO L861 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2021-12-06 17:45:29,722 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2021-12-06 17:45:29,722 INFO L858 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2021-12-06 17:45:29,722 INFO L861 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2021-12-06 17:45:29,722 INFO L861 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2021-12-06 17:45:29,723 INFO L858 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2021-12-06 17:45:29,723 INFO L861 garLoopResultBuilder]: At program point L842(lines 817 846) the Hoare annotation is: true [2021-12-06 17:45:29,723 INFO L858 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2021-12-06 17:45:29,723 INFO L854 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,723 INFO L854 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,723 INFO L854 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,723 INFO L858 garLoopResultBuilder]: For program point L246-1(line 246) no Hoare annotation was computed. [2021-12-06 17:45:29,723 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 182 205) no Hoare annotation was computed. [2021-12-06 17:45:29,723 INFO L854 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,723 INFO L854 garLoopResultBuilder]: At program point L259-1(lines 240 264) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 193 199) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 169) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L854 garLoopResultBuilder]: At program point L156-1(lines 148 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 1) (= |timeShift_getWaterLevel_#res#1| 1)) .cse1))) [2021-12-06 17:45:29,724 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2021-12-06 17:45:29,724 INFO L854 garLoopResultBuilder]: At program point L314(lines 309 317) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L954(line 954) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 185 204) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-06 17:45:29,724 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 261) no Hoare annotation was computed. [2021-12-06 17:45:29,725 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-12-06 17:45:29,725 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,725 INFO L854 garLoopResultBuilder]: At program point L955(lines 950 957) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,725 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 182 205) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,725 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 182 205) no Hoare annotation was computed. [2021-12-06 17:45:29,725 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-12-06 17:45:29,725 INFO L854 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,725 INFO L861 garLoopResultBuilder]: At program point L444(lines 383 448) the Hoare annotation is: true [2021-12-06 17:45:29,725 INFO L854 garLoopResultBuilder]: At program point L378(lines 373 380) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,725 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 409) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L854 garLoopResultBuilder]: At program point L441(lines 392 442) the Hoare annotation is: false [2021-12-06 17:45:29,726 INFO L854 garLoopResultBuilder]: At program point L945(lines 940 948) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,726 INFO L854 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,726 INFO L854 garLoopResultBuilder]: At program point L937(lines 933 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 419) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 413 419) no Hoare annotation was computed. [2021-12-06 17:45:29,726 INFO L854 garLoopResultBuilder]: At program point L438(lines 393 440) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,727 INFO L854 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point L901(lines 901 908) no Hoare annotation was computed. [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point L901-2(lines 901 908) no Hoare annotation was computed. [2021-12-06 17:45:29,727 INFO L854 garLoopResultBuilder]: At program point L930(lines 926 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,727 INFO L861 garLoopResultBuilder]: At program point L885(lines 878 887) the Hoare annotation is: true [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 435) no Hoare annotation was computed. [2021-12-06 17:45:29,727 INFO L861 garLoopResultBuilder]: At program point L910(lines 891 913) the Hoare annotation is: true [2021-12-06 17:45:29,727 INFO L854 garLoopResultBuilder]: At program point L431-2(lines 423 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~9#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point L394(lines 393 440) no Hoare annotation was computed. [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 436) no Hoare annotation was computed. [2021-12-06 17:45:29,727 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 230) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 235) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point L369(lines 354 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 214 238) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 214 238) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed. [2021-12-06 17:45:29,728 INFO L858 garLoopResultBuilder]: For program point L363-2(lines 363 367) no Hoare annotation was computed. [2021-12-06 17:45:29,729 INFO L854 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 17:45:29,729 INFO L858 garLoopResultBuilder]: For program point L233-1(lines 214 238) no Hoare annotation was computed. [2021-12-06 17:45:29,729 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 298 308) the Hoare annotation is: true [2021-12-06 17:45:29,729 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2021-12-06 17:45:29,729 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2021-12-06 17:45:29,729 INFO L861 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: true [2021-12-06 17:45:29,731 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 17:45:29,732 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:45:29,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:45:29 BoogieIcfgContainer [2021-12-06 17:45:29,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:45:29,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:45:29,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:45:29,750 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:45:29,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:28" (3/4) ... [2021-12-06 17:45:29,753 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:45:29,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 17:45:29,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 17:45:29,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-06 17:45:29,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 17:45:29,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 17:45:29,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 17:45:29,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:45:29,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:45:29,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:45:29,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 17:45:29,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 17:45:29,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-12-06 17:45:29,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 17:45:29,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive [2021-12-06 17:45:29,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-12-06 17:45:29,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2021-12-06 17:45:29,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) || 0 == systemActive) [2021-12-06 17:45:29,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 17:45:29,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2021-12-06 17:45:29,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 17:45:29,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 17:45:29,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:45:29,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:45:29,807 INFO L158 Benchmark]: Toolchain (without parser) took 2151.43ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 91.7MB in the end (delta: 21.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,807 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:45:29,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.03ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 94.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,808 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:45:29,808 INFO L158 Benchmark]: RCFGBuilder took 372.35ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 74.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,808 INFO L158 Benchmark]: TraceAbstraction took 1353.73ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 97.8MB in the end (delta: -24.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,809 INFO L158 Benchmark]: Witness Printer took 57.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 91.7MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:45:29,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.03ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 94.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.35ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 74.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1353.73ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 97.8MB in the end (delta: -24.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Witness Printer took 57.18ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 91.7MB in the end (delta: 6.1MB). 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: 954]: 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, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 906 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 517 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 389 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=4, InterpolantAutomatonStates: 26, 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, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 280 PreInvPairs, 304 NumberOfFragments, 399 HoareAnnotationTreeSize, 280 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 680 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 267 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) || 0 == systemActive) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-06 17:45:29,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d514071d-08cf-4113-a664-4b1c35b84838/bin/uautomizer-DrprNOufMa/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