./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje --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 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:25:33,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:25:33,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:25:33,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:25:33,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:25:33,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:25:33,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:25:33,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:25:33,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:25:33,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:25:33,841 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:25:33,841 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:25:33,841 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:25:33,842 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:25:33,842 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:25:33,842 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:25:33,843 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:25:33,843 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:25:33,843 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:25:33,844 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:25:33,844 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:25:33,848 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:25:33,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:25:33,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:25:33,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:25:33,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:25:33,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:25:33,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:25:33,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:25:33,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:25:33,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:25:33,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:25:33,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:25:33,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:25:33,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:25:33,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:25:33,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:25:33,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:25:33,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:33,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:25:33,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:25:33,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:25:33,857 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:25:33,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:25:33,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:25:33,857 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:25:33,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:25:33,857 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_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 [2024-11-09 01:25:34,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:25:34,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:25:34,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:25:34,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:25:34,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:25:34,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c Unable to find full path for "g++" [2024-11-09 01:25:36,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:25:36,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:25:36,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2024-11-09 01:25:36,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/data/f68ec3f40/3ebcceaea4a04f0abddd30b8dd0c4298/FLAG98cb73273 [2024-11-09 01:25:36,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/data/f68ec3f40/3ebcceaea4a04f0abddd30b8dd0c4298 [2024-11-09 01:25:36,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:25:36,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:25:36,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:36,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:25:36,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:25:36,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:36" (1/1) ... [2024-11-09 01:25:36,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7663e08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:36, skipping insertion in model container [2024-11-09 01:25:36,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:36" (1/1) ... [2024-11-09 01:25:36,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:25:37,305 WARN L250 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_d20292e7-db23-4445-bedc-8f87a2db54d3/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2024-11-09 01:25:37,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:37,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:25:37,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-09 01:25:37,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-09 01:25:37,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511] [2024-11-09 01:25:37,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] [2024-11-09 01:25:37,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2024-11-09 01:25:37,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2024-11-09 01:25:37,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2024-11-09 01:25:37,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] [2024-11-09 01:25:37,470 WARN L250 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_d20292e7-db23-4445-bedc-8f87a2db54d3/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2024-11-09 01:25:37,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:37,518 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:25:37,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37 WrapperNode [2024-11-09 01:25:37,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:37,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:37,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:25:37,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:25:37,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,578 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 176 [2024-11-09 01:25:37,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:37,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:25:37,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:25:37,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:25:37,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:25:37,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:25:37,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:25:37,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:25:37,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (1/1) ... [2024-11-09 01:25:37,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:25:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:25:37,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:25:37,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:25:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:25:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 01:25:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 01:25:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 01:25:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 01:25:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 01:25:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 01:25:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 01:25:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 01:25:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-09 01:25:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-09 01:25:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 01:25:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 01:25:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:25:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 01:25:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 01:25:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:25:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:25:37,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:25:37,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:25:38,039 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-09 01:25:38,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:25:38,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:25:38,141 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:25:38,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:38 BoogieIcfgContainer [2024-11-09 01:25:38,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:25:38,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:25:38,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:25:38,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:25:38,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:25:36" (1/3) ... [2024-11-09 01:25:38,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3789564e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:38, skipping insertion in model container [2024-11-09 01:25:38,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:37" (2/3) ... [2024-11-09 01:25:38,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3789564e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:38, skipping insertion in model container [2024-11-09 01:25:38,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:38" (3/3) ... [2024-11-09 01:25:38,154 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2024-11-09 01:25:38,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:25:38,177 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:25:38,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:25:38,246 INFO L333 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, 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;@123ada4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:25:38,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:25:38,250 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) [2024-11-09 01:25:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 01:25:38,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:38,258 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:38,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1765945604, now seen corresponding path program 1 times [2024-11-09 01:25:38,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:38,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117587431] [2024-11-09 01:25:38,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:38,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:25:38,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:38,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117587431] [2024-11-09 01:25:38,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117587431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:38,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:38,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:25:38,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774331501] [2024-11-09 01:25:38,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:38,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:25:38,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:38,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:25:38,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:25:38,508 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) [2024-11-09 01:25:38,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:38,616 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2024-11-09 01:25:38,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:25:38,620 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 [2024-11-09 01:25:38,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:38,631 INFO L225 Difference]: With dead ends: 116 [2024-11-09 01:25:38,632 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 01:25:38,637 INFO L431 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 [2024-11-09 01:25:38,646 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:38,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:38,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 01:25:38,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 01:25:38,700 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) [2024-11-09 01:25:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2024-11-09 01:25:38,709 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2024-11-09 01:25:38,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:38,710 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2024-11-09 01:25:38,711 INFO L472 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) [2024-11-09 01:25:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2024-11-09 01:25:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 01:25:38,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:38,715 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:38,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:25:38,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:38,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:38,717 INFO L85 PathProgramCache]: Analyzing trace with hash 852088532, now seen corresponding path program 1 times [2024-11-09 01:25:38,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:38,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947568587] [2024-11-09 01:25:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:38,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:25:38,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:38,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947568587] [2024-11-09 01:25:38,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947568587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:38,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:38,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:25:38,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585938633] [2024-11-09 01:25:38,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:38,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:38,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:38,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:38,901 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) [2024-11-09 01:25:38,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:38,962 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2024-11-09 01:25:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:38,964 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 [2024-11-09 01:25:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:38,966 INFO L225 Difference]: With dead ends: 80 [2024-11-09 01:25:38,967 INFO L226 Difference]: Without dead ends: 46 [2024-11-09 01:25:38,968 INFO L431 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 [2024-11-09 01:25:38,970 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:38,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:25:38,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-09 01:25:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-09 01:25:38,986 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) [2024-11-09 01:25:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-09 01:25:38,990 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2024-11-09 01:25:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:38,991 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-09 01:25:38,991 INFO L472 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) [2024-11-09 01:25:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-09 01:25:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:25:38,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:38,993 INFO L215 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] [2024-11-09 01:25:38,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:25:38,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:38,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:38,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1243259674, now seen corresponding path program 1 times [2024-11-09 01:25:38,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794807077] [2024-11-09 01:25:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:25:39,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:39,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794807077] [2024-11-09 01:25:39,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794807077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:39,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:39,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:25:39,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399959974] [2024-11-09 01:25:39,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:39,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:25:39,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:39,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:25:39,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:25:39,142 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) [2024-11-09 01:25:39,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:39,293 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2024-11-09 01:25:39,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:25:39,294 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 [2024-11-09 01:25:39,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:39,295 INFO L225 Difference]: With dead ends: 134 [2024-11-09 01:25:39,296 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 01:25:39,296 INFO L431 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 [2024-11-09 01:25:39,301 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:39,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 101 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 01:25:39,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2024-11-09 01:25:39,335 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) [2024-11-09 01:25:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2024-11-09 01:25:39,338 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2024-11-09 01:25:39,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:39,338 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2024-11-09 01:25:39,339 INFO L472 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) [2024-11-09 01:25:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2024-11-09 01:25:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 01:25:39,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:39,340 INFO L215 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] [2024-11-09 01:25:39,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:25:39,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:39,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:39,342 INFO L85 PathProgramCache]: Analyzing trace with hash -143057385, now seen corresponding path program 1 times [2024-11-09 01:25:39,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:25:39,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469872063] [2024-11-09 01:25:39,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:25:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:25:39,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:25:39,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469872063] [2024-11-09 01:25:39,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469872063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:39,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:39,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 01:25:39,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629761275] [2024-11-09 01:25:39,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:39,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:25:39,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:25:39,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:25:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:25:39,578 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) [2024-11-09 01:25:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:39,763 INFO L93 Difference]: Finished difference Result 156 states and 203 transitions. [2024-11-09 01:25:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:25:39,764 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 [2024-11-09 01:25:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:39,765 INFO L225 Difference]: With dead ends: 156 [2024-11-09 01:25:39,765 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:25:39,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:25:39,767 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:39,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 103 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:25:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:25:39,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:25:39,769 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) [2024-11-09 01:25:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:25:39,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-09 01:25:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:39,770 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:25:39,770 INFO L472 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) [2024-11-09 01:25:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:25:39,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:25:39,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:25:39,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 01:25:39,783 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 01:25:39,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:25:40,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:25:40,220 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 01:25:40,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:25:40 BoogieIcfgContainer [2024-11-09 01:25:40,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:25:40,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:25:40,233 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:25:40,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:25:40,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:38" (3/4) ... [2024-11-09 01:25:40,239 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:25:40,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 01:25:40,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 01:25:40,244 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 01:25:40,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 01:25:40,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 01:25:40,245 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 01:25:40,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-09 01:25:40,257 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-09 01:25:40,258 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 01:25:40,258 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 01:25:40,259 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:25:40,259 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:25:40,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:25:40,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:25:40,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:25:40,387 INFO L158 Benchmark]: Toolchain (without parser) took 3562.29ms. Allocated memory is still 144.7MB. Free memory was 109.4MB in the beginning and 62.2MB in the end (delta: 47.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,387 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:25:40,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.26ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 87.6MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.63ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,388 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:25:40,389 INFO L158 Benchmark]: RCFGBuilder took 524.49ms. Allocated memory is still 144.7MB. Free memory was 83.9MB in the beginning and 99.6MB in the end (delta: -15.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,392 INFO L158 Benchmark]: TraceAbstraction took 2088.77ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 69.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,393 INFO L158 Benchmark]: Witness Printer took 153.70ms. Allocated memory is still 144.7MB. Free memory was 69.5MB in the beginning and 62.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:25:40,394 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.26ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 87.6MB in the end (delta: 21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.63ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 85.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.49ms. Allocated memory is still 144.7MB. Free memory was 83.9MB in the beginning and 99.6MB in the end (delta: -15.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2088.77ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 69.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 153.70ms. Allocated memory is still 144.7MB. Free memory was 69.5MB in the beginning and 62.2MB in the end (delta: 7.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] - 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: 780]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] * 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 192 mSDtfsCounter, 136 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 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]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 854]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 813]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 449]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 786]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 612]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 437]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 873]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:25:40,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d20292e7-db23-4445-bedc-8f87a2db54d3/bin/utaipan-verify-YMUCfTKeje/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