./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:22,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:22,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:22,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:22,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:22,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:22,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:22,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:22,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:22,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:22,872 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:22,873 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:22,874 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:22,875 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:22,876 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:22,876 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:22,877 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:22,877 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:22,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:22,878 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:22,879 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:22,879 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:22,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:22,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:22,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:22,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:22,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:22,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:22,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:22,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:22,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:22,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:22,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:22,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:22,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:22,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:22,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:22,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:22,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:22,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:22,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:22,889 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:22,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:22,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:22,890 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:22,890 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:22,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:22,890 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2023-11-23 21:29:23,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:23,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:23,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:23,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:23,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:23,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-23 21:29:26,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:27,244 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:27,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-23 21:29:27,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/data/f78299993/5009726e16c94a9d897758e3bd63d49d/FLAG52523cc38 [2023-11-23 21:29:27,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/data/f78299993/5009726e16c94a9d897758e3bd63d49d [2023-11-23 21:29:27,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:27,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:27,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:27,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:27,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:27,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42971c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27, skipping insertion in model container [2023-11-23 21:29:27,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:27,673 WARN L240 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_2ceeef74-4e13-494d-9b83-688fdde209f1/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2023-11-23 21:29:27,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:27,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:27,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-23 21:29:27,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2023-11-23 21:29:27,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2023-11-23 21:29:27,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2023-11-23 21:29:27,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-11-23 21:29:27,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2023-11-23 21:29:27,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-23 21:29:27,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2023-11-23 21:29:27,801 WARN L240 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_2ceeef74-4e13-494d-9b83-688fdde209f1/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2023-11-23 21:29:27,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:27,841 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:27,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27 WrapperNode [2023-11-23 21:29:27,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:27,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:27,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:27,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:27,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,911 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 174 [2023-11-23 21:29:27,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:27,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:27,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:27,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:27,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:27,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:27,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:27,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:27,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (1/1) ... [2023-11-23 21:29:27,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:27,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:28,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:28,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:29:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:29:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:29:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:29:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:29:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:29:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:29:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:29:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-23 21:29:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-23 21:29:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:29:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:29:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:29:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:29:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:28,181 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:28,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:28,496 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:28,645 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:28,645 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:29:28,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:28 BoogieIcfgContainer [2023-11-23 21:29:28,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:28,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:28,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:28,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:28,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:27" (1/3) ... [2023-11-23 21:29:28,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d130bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:28, skipping insertion in model container [2023-11-23 21:29:28,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:27" (2/3) ... [2023-11-23 21:29:28,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d130bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:28, skipping insertion in model container [2023-11-23 21:29:28,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:28" (3/3) ... [2023-11-23 21:29:28,656 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2023-11-23 21:29:28,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:28,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:28,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:28,722 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47cdb32b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:28,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:29:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:29:28,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:28,735 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:28,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:28,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1861355721, now seen corresponding path program 1 times [2023-11-23 21:29:28,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:28,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179731110] [2023-11-23 21:29:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:28,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:29:28,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:28,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179731110] [2023-11-23 21:29:28,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179731110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:28,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:28,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:28,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966064311] [2023-11-23 21:29:28,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:28,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:28,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:28,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:28,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:28,963 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:29,029 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-11-23 21:29:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:29,032 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-23 21:29:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:29,041 INFO L225 Difference]: With dead ends: 116 [2023-11-23 21:29:29,041 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 21:29:29,045 INFO L412 NwaCegarLoop]: 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 [2023-11-23 21:29:29,049 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:29,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 21:29:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-23 21:29:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:29:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-23 21:29:29,099 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-11-23 21:29:29,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:29,101 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-23 21:29:29,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 21:29:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:29:29,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:29,108 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:29:29,109 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:29,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash -965153584, now seen corresponding path program 1 times [2023-11-23 21:29:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154432054] [2023-11-23 21:29:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:29:29,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:29,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154432054] [2023-11-23 21:29:29,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154432054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:29,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:29,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348809535] [2023-11-23 21:29:29,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:29,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:29,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:29,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:29,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:29,267 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:29,306 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-23 21:29:29,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:29,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-23 21:29:29,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:29,308 INFO L225 Difference]: With dead ends: 80 [2023-11-23 21:29:29,308 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 21:29:29,309 INFO L412 NwaCegarLoop]: 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 [2023-11-23 21:29:29,311 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:29,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:29,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 21:29:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 21:29:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 21:29:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-23 21:29:29,322 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-11-23 21:29:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:29,322 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-23 21:29:29,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-23 21:29:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:29:29,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:29,324 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:29,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:29:29,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:29,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:29,326 INFO L85 PathProgramCache]: Analyzing trace with hash 670437774, now seen corresponding path program 1 times [2023-11-23 21:29:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:29,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496555439] [2023-11-23 21:29:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:29:29,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:29,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496555439] [2023-11-23 21:29:29,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496555439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:29,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:29,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:29,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747087890] [2023-11-23 21:29:29,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:29,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:29,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:29,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:29,432 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:29:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:29,511 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2023-11-23 21:29:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:29,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-23 21:29:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:29,516 INFO L225 Difference]: With dead ends: 134 [2023-11-23 21:29:29,516 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:29:29,517 INFO L412 NwaCegarLoop]: 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 [2023-11-23 21:29:29,519 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 44 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:29,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 103 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:29:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2023-11-23 21:29:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 21:29:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2023-11-23 21:29:29,556 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2023-11-23 21:29:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:29,557 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2023-11-23 21:29:29,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:29:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-11-23 21:29:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 21:29:29,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:29,560 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:29,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:29:29,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:29,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:29,561 INFO L85 PathProgramCache]: Analyzing trace with hash -422036850, now seen corresponding path program 1 times [2023-11-23 21:29:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:29,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526373377] [2023-11-23 21:29:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:29:29,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:29,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526373377] [2023-11-23 21:29:29,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526373377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:29,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:29,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:29:29,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907067362] [2023-11-23 21:29:29,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:29,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:29:29,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:29,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:29:29,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:29:29,773 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:29,903 INFO L93 Difference]: Finished difference Result 158 states and 205 transitions. [2023-11-23 21:29:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:29:29,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-23 21:29:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:29,904 INFO L225 Difference]: With dead ends: 158 [2023-11-23 21:29:29,905 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:29:29,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:29:29,908 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 25 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:29,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 107 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:29:29,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:29:29,910 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) [2023-11-23 21:29:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:29:29,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-23 21:29:29,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:29,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:29:29,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:29:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:29:29,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:29:29,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:29,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:29:29,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:29:30,094 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 869 876) no Hoare annotation was computed. [2023-11-23 21:29:30,094 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 876) the Hoare annotation is: true [2023-11-23 21:29:30,094 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 810 816) no Hoare annotation was computed. [2023-11-23 21:29:30,094 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 810 816) the Hoare annotation is: true [2023-11-23 21:29:30,095 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 549) the Hoare annotation is: true [2023-11-23 21:29:30,095 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 538 549) no Hoare annotation was computed. [2023-11-23 21:29:30,095 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:29:30,096 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-23 21:29:30,096 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:29:30,096 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 132) no Hoare annotation was computed. [2023-11-23 21:29:30,097 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 135) no Hoare annotation was computed. [2023-11-23 21:29:30,097 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 110 138) no Hoare annotation was computed. [2023-11-23 21:29:30,101 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:29:30,101 INFO L899 garLoopResultBuilder]: For program point L837-1(lines 818 842) no Hoare annotation was computed. [2023-11-23 21:29:30,102 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2023-11-23 21:29:30,103 INFO L899 garLoopResultBuilder]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2023-11-23 21:29:30,104 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 834) no Hoare annotation was computed. [2023-11-23 21:29:30,104 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:29:30,104 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2023-11-23 21:29:30,105 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2023-11-23 21:29:30,105 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:29:30,106 INFO L899 garLoopResultBuilder]: For program point L790-2(lines 786 808) no Hoare annotation was computed. [2023-11-23 21:29:30,106 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 783 809) no Hoare annotation was computed. [2023-11-23 21:29:30,106 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:29:30,106 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-11-23 21:29:30,106 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-11-23 21:29:30,107 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 612 641) no Hoare annotation was computed. [2023-11-23 21:29:30,107 INFO L899 garLoopResultBuilder]: For program point L637(lines 612 641) no Hoare annotation was computed. [2023-11-23 21:29:30,107 INFO L899 garLoopResultBuilder]: For program point L633(line 633) no Hoare annotation was computed. [2023-11-23 21:29:30,108 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2023-11-23 21:29:30,108 INFO L902 garLoopResultBuilder]: At program point L626-1(lines 626 630) the Hoare annotation is: true [2023-11-23 21:29:30,108 INFO L902 garLoopResultBuilder]: At program point L622-2(lines 622 636) the Hoare annotation is: true [2023-11-23 21:29:30,108 INFO L902 garLoopResultBuilder]: At program point L618(line 618) the Hoare annotation is: true [2023-11-23 21:29:30,109 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 641) the Hoare annotation is: true [2023-11-23 21:29:30,109 INFO L899 garLoopResultBuilder]: For program point L618-1(line 618) no Hoare annotation was computed. [2023-11-23 21:29:30,109 INFO L895 garLoopResultBuilder]: At program point L766(lines 721 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:29:30,109 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:29:30,110 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2023-11-23 21:29:30,114 INFO L899 garLoopResultBuilder]: For program point L956-1(lines 956 962) no Hoare annotation was computed. [2023-11-23 21:29:30,114 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 703) no Hoare annotation was computed. [2023-11-23 21:29:30,114 INFO L899 garLoopResultBuilder]: For program point L696-2(lines 696 703) no Hoare annotation was computed. [2023-11-23 21:29:30,115 INFO L899 garLoopResultBuilder]: For program point L722(lines 721 768) no Hoare annotation was computed. [2023-11-23 21:29:30,115 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 764) no Hoare annotation was computed. [2023-11-23 21:29:30,115 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:29:30,115 INFO L899 garLoopResultBuilder]: For program point L772(lines 711 776) no Hoare annotation was computed. [2023-11-23 21:29:30,116 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:29:30,119 INFO L895 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: false [2023-11-23 21:29:30,120 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2023-11-23 21:29:30,120 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2023-11-23 21:29:30,120 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:29:30,120 INFO L895 garLoopResultBuilder]: At program point L769(lines 720 770) the Hoare annotation is: false [2023-11-23 21:29:30,120 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 763) no Hoare annotation was computed. [2023-11-23 21:29:30,121 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 751 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:29:30,122 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2023-11-23 21:29:30,122 INFO L899 garLoopResultBuilder]: For program point L741-1(lines 741 747) no Hoare annotation was computed. [2023-11-23 21:29:30,125 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 526 537) no Hoare annotation was computed. [2023-11-23 21:29:30,126 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 526 537) the Hoare annotation is: true [2023-11-23 21:29:30,126 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 888 896) no Hoare annotation was computed. [2023-11-23 21:29:30,126 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 888 896) the Hoare annotation is: true [2023-11-23 21:29:30,130 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:29:30,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:30,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:30 BoogieIcfgContainer [2023-11-23 21:29:30,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:30,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:30,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:30,153 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:30,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:28" (3/4) ... [2023-11-23 21:29:30,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:29:30,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:29:30,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:29:30,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:29:30,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:29:30,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:29:30,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:29:30,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-23 21:29:30,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-23 21:29:30,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:29:30,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:29:30,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:29:30,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:29:30,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:29:30,334 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:29:30,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:30,335 INFO L158 Benchmark]: Toolchain (without parser) took 3050.15ms. Allocated memory is still 159.4MB. Free memory was 122.0MB in the beginning and 90.2MB in the end (delta: 31.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,336 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:30,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.18ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 102.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.70ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,337 INFO L158 Benchmark]: Boogie Preprocessor took 32.35ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 99.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,337 INFO L158 Benchmark]: RCFGBuilder took 701.52ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 124.0MB in the end (delta: -25.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,337 INFO L158 Benchmark]: TraceAbstraction took 1502.15ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 96.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,338 INFO L158 Benchmark]: Witness Printer took 182.57ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 90.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:29:30,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.18ms. Allocated memory is still 159.4MB. Free memory was 121.7MB in the beginning and 102.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.70ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 100.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.35ms. Allocated memory is still 159.4MB. Free memory was 100.2MB in the beginning and 99.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.52ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 124.0MB in the end (delta: -25.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1502.15ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 96.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 182.57ms. Allocated memory is still 159.4MB. Free memory was 96.5MB in the beginning and 90.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * 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: 605]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 196 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 121 PreInvPairs, 131 NumberOfFragments, 79 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 721]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 21:29:30,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ceeef74-4e13-494d-9b83-688fdde209f1/bin/utaipan-verify-mE87zJ7Ire/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