./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ --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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:14:03,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:14:03,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:14:03,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:14:03,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:14:03,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:14:03,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:14:03,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:14:03,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:14:03,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:14:03,835 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:14:03,836 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:14:03,836 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:14:03,837 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:14:03,838 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:14:03,838 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:14:03,839 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:14:03,839 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:14:03,840 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:14:03,841 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:14:03,841 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:14:03,842 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:14:03,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:14:03,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:14:03,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:14:03,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:14:03,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:14:03,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:14:03,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:14:03,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:14:03,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:14:03,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:14:03,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:14:03,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:14:03,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:14:03,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:14:03,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:03,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:14:03,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:14:03,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:14:03,853 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:14:03,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:14:03,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:14:03,854 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:14:03,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:14:03,855 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_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2023-11-19 05:14:04,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:14:04,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:14:04,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:14:04,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:14:04,181 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:14:04,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2023-11-19 05:14:07,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:14:07,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:14:07,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2023-11-19 05:14:07,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/data/af07426fc/90cdff55fd3c42479fec26a275928dc2/FLAG84a30897d [2023-11-19 05:14:07,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/data/af07426fc/90cdff55fd3c42479fec26a275928dc2 [2023-11-19 05:14:07,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:14:07,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:14:07,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:07,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:14:07,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:14:07,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:07" (1/1) ... [2023-11-19 05:14:07,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3270d01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:07, skipping insertion in model container [2023-11-19 05:14:07,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:14:07" (1/1) ... [2023-11-19 05:14:07,734 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:14:07,964 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_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2023-11-19 05:14:08,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:08,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:14:08,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-19 05:14:08,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2023-11-19 05:14:08,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] [2023-11-19 05:14:08,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] [2023-11-19 05:14:08,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] [2023-11-19 05:14:08,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] [2023-11-19 05:14:08,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] [2023-11-19 05:14:08,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2023-11-19 05:14:08,096 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_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2023-11-19 05:14:08,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:14:08,171 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:14:08,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08 WrapperNode [2023-11-19 05:14:08,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:14:08,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:08,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:14:08,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:14:08,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,229 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 174 [2023-11-19 05:14:08,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:14:08,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:14:08,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:14:08,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:14:08,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:14:08,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:14:08,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:14:08,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:14:08,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (1/1) ... [2023-11-19 05:14:08,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:14:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:14:08,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:14:08,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:14:08,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:14:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 05:14:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 05:14:08,360 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 05:14:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 05:14:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 05:14:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 05:14:08,361 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 05:14:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 05:14:08,363 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 05:14:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 05:14:08,364 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 05:14:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 05:14:08,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:14:08,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 05:14:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 05:14:08,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:14:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:14:08,518 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:14:08,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:08,925 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:09,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:09,036 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:14:09,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09 BoogieIcfgContainer [2023-11-19 05:14:09,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:09,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:09,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:09,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:09,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:14:07" (1/3) ... [2023-11-19 05:14:09,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd76bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:09, skipping insertion in model container [2023-11-19 05:14:09,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:14:08" (2/3) ... [2023-11-19 05:14:09,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffd76bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:09, skipping insertion in model container [2023-11-19 05:14:09,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09" (3/3) ... [2023-11-19 05:14:09,054 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2023-11-19 05:14:09,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:09,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:09,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:09,172 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;@6c9fa3d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:09,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:09,181 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) [2023-11-19 05:14:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:14:09,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:09,194 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] [2023-11-19 05:14:09,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:09,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2014437863, now seen corresponding path program 1 times [2023-11-19 05:14:09,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:09,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837658115] [2023-11-19 05:14:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:14:09,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:09,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837658115] [2023-11-19 05:14:09,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837658115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:09,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:09,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:14:09,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926928849] [2023-11-19 05:14:09,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:09,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:14:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:09,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:14:09,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:09,458 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) [2023-11-19 05:14:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:09,529 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-11-19 05:14:09,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:14:09,532 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 [2023-11-19 05:14:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:09,540 INFO L225 Difference]: With dead ends: 116 [2023-11-19 05:14:09,540 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 05:14:09,544 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 [2023-11-19 05:14:09,549 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 [2023-11-19 05:14:09,550 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] [2023-11-19 05:14:09,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 05:14:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 05:14:09,597 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) [2023-11-19 05:14:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-19 05:14:09,602 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-11-19 05:14:09,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:09,602 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-19 05:14:09,603 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) [2023-11-19 05:14:09,603 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-19 05:14:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 05:14:09,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:09,606 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] [2023-11-19 05:14:09,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:14:09,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:09,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 132833390, now seen corresponding path program 1 times [2023-11-19 05:14:09,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:09,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007181666] [2023-11-19 05:14:09,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:14:09,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:09,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007181666] [2023-11-19 05:14:09,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007181666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:09,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:09,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:14:09,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989952735] [2023-11-19 05:14:09,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:09,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:14:09,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:09,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:14:09,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:14:09,729 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) [2023-11-19 05:14:09,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:09,773 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-19 05:14:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:14:09,774 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 [2023-11-19 05:14:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:09,776 INFO L225 Difference]: With dead ends: 80 [2023-11-19 05:14:09,776 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 05:14:09,777 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 [2023-11-19 05:14:09,779 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 [2023-11-19 05:14:09,780 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] [2023-11-19 05:14:09,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 05:14:09,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 05:14:09,790 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) [2023-11-19 05:14:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-19 05:14:09,792 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-11-19 05:14:09,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:09,793 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-19 05:14:09,793 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) [2023-11-19 05:14:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 05:14:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 05:14:09,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:09,795 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] [2023-11-19 05:14:09,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:14:09,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:09,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:09,796 INFO L85 PathProgramCache]: Analyzing trace with hash 475970508, now seen corresponding path program 1 times [2023-11-19 05:14:09,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:09,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764690158] [2023-11-19 05:14:09,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:14:10,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764690158] [2023-11-19 05:14:10,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764690158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:10,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:10,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:14:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089601127] [2023-11-19 05:14:10,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:10,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:10,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:10,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:10,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:14:10,053 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-19 05:14:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:10,254 INFO L93 Difference]: Finished difference Result 140 states and 187 transitions. [2023-11-19 05:14:10,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:14:10,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 [2023-11-19 05:14:10,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:10,258 INFO L225 Difference]: With dead ends: 140 [2023-11-19 05:14:10,258 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 05:14:10,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:14:10,262 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 70 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:10,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 141 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:14:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 05:14:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 79. [2023-11-19 05:14:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 61 states have internal predecessors, (71), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-19 05:14:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2023-11-19 05:14:10,286 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2023-11-19 05:14:10,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:10,286 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-19 05:14:10,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-19 05:14:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-19 05:14:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 05:14:10,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:10,289 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] [2023-11-19 05:14:10,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:14:10,290 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:10,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:10,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1490471911, now seen corresponding path program 1 times [2023-11-19 05:14:10,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:14:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116299751] [2023-11-19 05:14:10,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:10,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:14:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:14:10,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:14:10,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116299751] [2023-11-19 05:14:10,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116299751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:10,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:10,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 05:14:10,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102370312] [2023-11-19 05:14:10,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:10,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:14:10,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:14:10,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:14:10,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:10,479 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 05:14:10,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:10,967 INFO L93 Difference]: Finished difference Result 290 states and 401 transitions. [2023-11-19 05:14:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:14:10,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 1 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 28 [2023-11-19 05:14:10,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:10,969 INFO L225 Difference]: With dead ends: 290 [2023-11-19 05:14:10,969 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:14:10,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-19 05:14:10,985 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 93 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:10,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 518 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:14:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:14:10,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:14:10,987 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) [2023-11-19 05:14:10,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:14:10,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-19 05:14:10,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:10,988 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:14:10,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 05:14:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:14:10,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:14:10,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:14:10,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:14:10,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:14:11,587 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2023-11-19 05:14:11,588 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 203 210) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~switchedOnBeforeTS~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-11-19 05:14:11,588 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-11-19 05:14:11,588 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-11-19 05:14:11,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 704 715) the Hoare annotation is: true [2023-11-19 05:14:11,588 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 704 715) no Hoare annotation was computed. [2023-11-19 05:14:11,588 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 855 884) no Hoare annotation was computed. [2023-11-19 05:14:11,589 INFO L902 garLoopResultBuilder]: At program point L865-2(lines 865 879) the Hoare annotation is: true [2023-11-19 05:14:11,589 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2023-11-19 05:14:11,589 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2023-11-19 05:14:11,589 INFO L899 garLoopResultBuilder]: For program point L880(lines 855 884) no Hoare annotation was computed. [2023-11-19 05:14:11,589 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-11-19 05:14:11,589 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 855 884) the Hoare annotation is: true [2023-11-19 05:14:11,590 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2023-11-19 05:14:11,590 INFO L902 garLoopResultBuilder]: At program point L869-1(lines 869 873) the Hoare annotation is: true [2023-11-19 05:14:11,590 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 849) no Hoare annotation was computed. [2023-11-19 05:14:11,590 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 824 852) no Hoare annotation was computed. [2023-11-19 05:14:11,590 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2023-11-19 05:14:11,591 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2023-11-19 05:14:11,591 INFO L899 garLoopResultBuilder]: For program point L837(lines 837 843) no Hoare annotation was computed. [2023-11-19 05:14:11,591 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2023-11-19 05:14:11,591 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-11-19 05:14:11,591 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or (and .cse0 (not (= 0 ~systemActive~0))) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-19 05:14:11,592 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2023-11-19 05:14:11,592 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-11-19 05:14:11,592 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-11-19 05:14:11,592 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2023-11-19 05:14:11,592 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-11-19 05:14:11,593 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 161) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-11-19 05:14:11,593 INFO L895 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-11-19 05:14:11,593 INFO L899 garLoopResultBuilder]: For program point L819-1(line 819) no Hoare annotation was computed. [2023-11-19 05:14:11,593 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2023-11-19 05:14:11,593 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2023-11-19 05:14:11,593 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2023-11-19 05:14:11,594 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 846) no Hoare annotation was computed. [2023-11-19 05:14:11,594 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-19 05:14:11,594 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-19 05:14:11,594 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-19 05:14:11,594 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-19 05:14:11,595 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= 0 ~systemActive~0))) (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-19 05:14:11,595 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 944) no Hoare annotation was computed. [2023-11-19 05:14:11,595 INFO L899 garLoopResultBuilder]: For program point L937-2(lines 937 944) no Hoare annotation was computed. [2023-11-19 05:14:11,595 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-11-19 05:14:11,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:14:11,596 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-11-19 05:14:11,596 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-19 05:14:11,596 INFO L899 garLoopResultBuilder]: For program point L116(lines 55 120) no Hoare annotation was computed. [2023-11-19 05:14:11,596 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-19 05:14:11,596 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-11-19 05:14:11,596 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:14:11,597 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2023-11-19 05:14:11,597 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2023-11-19 05:14:11,597 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2023-11-19 05:14:11,597 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-11-19 05:14:11,597 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-19 05:14:11,597 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 692 703) no Hoare annotation was computed. [2023-11-19 05:14:11,598 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 703) the Hoare annotation is: true [2023-11-19 05:14:11,598 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2023-11-19 05:14:11,598 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 230) the Hoare annotation is: true [2023-11-19 05:14:11,605 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:14:11,607 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:14:11,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:14:11 BoogieIcfgContainer [2023-11-19 05:14:11,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:14:11,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:14:11,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:14:11,625 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:14:11,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:09" (3/4) ... [2023-11-19 05:14:11,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:14:11,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 05:14:11,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 05:14:11,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 05:14:11,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 05:14:11,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 05:14:11,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 05:14:11,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 05:14:11,651 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-11-19 05:14:11,652 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 05:14:11,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 05:14:11,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:14:11,654 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:14:11,791 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:14:11,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:14:11,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:14:11,793 INFO L158 Benchmark]: Toolchain (without parser) took 4133.45ms. Allocated memory is still 190.8MB. Free memory was 151.1MB in the beginning and 159.4MB in the end (delta: -8.3MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,793 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:11,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.76ms. Allocated memory is still 190.8MB. Free memory was 151.1MB in the beginning and 131.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.45ms. Allocated memory is still 190.8MB. Free memory was 131.4MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,795 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 190.8MB. Free memory was 129.4MB in the beginning and 128.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:14:11,795 INFO L158 Benchmark]: RCFGBuilder took 775.78ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 104.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,796 INFO L158 Benchmark]: TraceAbstraction took 2576.46ms. Allocated memory is still 190.8MB. Free memory was 103.5MB in the beginning and 66.4MB in the end (delta: 37.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,796 INFO L158 Benchmark]: Witness Printer took 167.88ms. Allocated memory is still 190.8MB. Free memory was 66.4MB in the beginning and 159.4MB in the end (delta: -93.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-19 05:14:11,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.76ms. Allocated memory is still 190.8MB. Free memory was 151.1MB in the beginning and 131.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.45ms. Allocated memory is still 190.8MB. Free memory was 131.4MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 190.8MB. Free memory was 129.4MB in the beginning and 128.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 775.78ms. Allocated memory is still 190.8MB. Free memory was 128.0MB in the beginning and 104.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2576.46ms. Allocated memory is still 190.8MB. Free memory was 103.5MB in the beginning and 66.4MB in the end (delta: 37.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Witness Printer took 167.88ms. Allocated memory is still 190.8MB. Free memory was 66.4MB in the beginning and 159.4MB in the end (delta: -93.0MB). Peak memory consumption was 12.8MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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: 306]: 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: 2.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 797 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 519 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 543 IncrementalHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 278 mSDtfsCounter, 543 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 176 PreInvPairs, 229 NumberOfFragments, 191 HoareAnnotationTreeSize, 176 FomulaSimplifications, 183 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 1337 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 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: 65]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0) && !((0 == systemActive))) || ((splverifierCounter == 0) && (pumpRunning == switchedOnBeforeTS))) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 05:14:11,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fea40bb-f13d-4d5d-a00e-3602c4b8e6de/bin/utaipan-verify-t7M7D8N6sZ/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