./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/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 34d4dbed37590326da938d00ced1aba27649a4f6be46ad5130f0beeedcfaf5dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:10:24,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:10:24,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:10:24,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:10:24,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:10:24,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:10:24,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:10:24,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:10:24,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:10:24,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:10:24,363 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:10:24,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:10:24,364 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:10:24,365 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:10:24,365 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:10:24,366 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:10:24,366 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:10:24,367 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:10:24,368 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:10:24,368 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:10:24,369 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:10:24,369 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:10:24,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:10:24,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:10:24,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:10:24,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:10:24,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:10:24,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:10:24,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:10:24,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:10:24,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:10:24,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:10:24,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:10:24,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:10:24,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:10:24,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:10:24,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:10:24,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:10:24,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:10:24,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:10:24,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:10:24,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:10:24,380 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:10:24,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:10:24,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:10:24,381 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:10:24,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:10:24,381 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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34d4dbed37590326da938d00ced1aba27649a4f6be46ad5130f0beeedcfaf5dd [2024-11-09 01:10:24,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:10:24,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:10:24,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:10:24,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:10:24,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:10:24,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c Unable to find full path for "g++" [2024-11-09 01:10:27,402 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:10:27,712 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:10:27,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2024-11-09 01:10:27,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/data/ec6fbc9cf/79427c053bb24d2cbe9323b87d8a7dbc/FLAG86d556953 [2024-11-09 01:10:27,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/data/ec6fbc9cf/79427c053bb24d2cbe9323b87d8a7dbc [2024-11-09 01:10:27,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:10:27,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:10:27,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:10:27,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:10:27,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:10:27,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:27" (1/1) ... [2024-11-09 01:10:27,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3263f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:27, skipping insertion in model container [2024-11-09 01:10:27,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:27" (1/1) ... [2024-11-09 01:10:27,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:10:28,203 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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c[15769,15782] [2024-11-09 01:10:28,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:10:28,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:10:28,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-09 01:10:28,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [415] [2024-11-09 01:10:28,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [593] [2024-11-09 01:10:28,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [663] [2024-11-09 01:10:28,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [703] [2024-11-09 01:10:28,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] [2024-11-09 01:10:28,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [750] [2024-11-09 01:10:28,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [847] [2024-11-09 01:10:28,327 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_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c[15769,15782] [2024-11-09 01:10:28,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:10:28,372 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:10:28,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28 WrapperNode [2024-11-09 01:10:28,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:10:28,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:10:28,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:10:28,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:10:28,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,433 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 178 [2024-11-09 01:10:28,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:10:28,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:10:28,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:10:28,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:10:28,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:10:28,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:10:28,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:10:28,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:10:28,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (1/1) ... [2024-11-09 01:10:28,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:10:28,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:28,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:10:28,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:10:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:10:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 01:10:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 01:10:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 01:10:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 01:10:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 01:10:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 01:10:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 01:10:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 01:10:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 01:10:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 01:10:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:10:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 01:10:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 01:10:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:10:28,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:10:28,698 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:10:28,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:10:29,109 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 01:10:29,109 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:10:29,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:10:29,330 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 01:10:29,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:29 BoogieIcfgContainer [2024-11-09 01:10:29,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:10:29,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:10:29,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:10:29,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:10:29,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:10:27" (1/3) ... [2024-11-09 01:10:29,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:29, skipping insertion in model container [2024-11-09 01:10:29,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:28" (2/3) ... [2024-11-09 01:10:29,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:29, skipping insertion in model container [2024-11-09 01:10:29,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:29" (3/3) ... [2024-11-09 01:10:29,345 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2024-11-09 01:10:29,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:10:29,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:10:29,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:10:29,461 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;@2fce2284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:10:29,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:10:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 38 states have internal predecessors, (46), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 01:10:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 01:10:29,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:29,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:29,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:29,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash 889190019, now seen corresponding path program 1 times [2024-11-09 01:10:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323089258] [2024-11-09 01:10:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:29,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:10:29,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323089258] [2024-11-09 01:10:29,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323089258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:29,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:10:29,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:10:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331162860] [2024-11-09 01:10:29,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:29,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:10:29,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:29,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:10:29,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:10:29,856 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 38 states have internal predecessors, (46), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:29,960 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions. [2024-11-09 01:10:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:10:29,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-09 01:10:29,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:29,983 INFO L225 Difference]: With dead ends: 96 [2024-11-09 01:10:29,983 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 01:10:29,990 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 01:10:29,998 INFO L432 NwaCegarLoop]: 46 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, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:30,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:10:30,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 01:10:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-09 01:10:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 01:10:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2024-11-09 01:10:30,074 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 17 [2024-11-09 01:10:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:30,077 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-09 01:10:30,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2024-11-09 01:10:30,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 01:10:30,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:30,081 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:30,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:10:30,085 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:30,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash -386184699, now seen corresponding path program 1 times [2024-11-09 01:10:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:30,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999273511] [2024-11-09 01:10:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:30,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:10:30,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:30,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999273511] [2024-11-09 01:10:30,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999273511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:30,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:10:30,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:10:30,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566647224] [2024-11-09 01:10:30,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:30,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:10:30,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:30,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:10:30,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:10:30,240 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:30,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:30,322 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2024-11-09 01:10:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:10:30,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-09 01:10:30,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:30,324 INFO L225 Difference]: With dead ends: 65 [2024-11-09 01:10:30,325 INFO L226 Difference]: Without dead ends: 36 [2024-11-09 01:10:30,325 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 01:10:30,327 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:30,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 55 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:10:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-09 01:10:30,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-09 01:10:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 29 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 01:10:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2024-11-09 01:10:30,338 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 18 [2024-11-09 01:10:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:30,338 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2024-11-09 01:10:30,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-09 01:10:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 01:10:30,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:30,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:30,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:10:30,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:30,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1939440171, now seen corresponding path program 1 times [2024-11-09 01:10:30,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:30,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649575797] [2024-11-09 01:10:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:10:30,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:30,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649575797] [2024-11-09 01:10:30,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649575797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:30,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:10:30,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:10:30,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044236450] [2024-11-09 01:10:30,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:30,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:10:30,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:30,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:10:30,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:10:30,578 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:30,695 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2024-11-09 01:10:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:10:30,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-09 01:10:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:30,701 INFO L225 Difference]: With dead ends: 70 [2024-11-09 01:10:30,701 INFO L226 Difference]: Without dead ends: 68 [2024-11-09 01:10:30,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 01:10:30,704 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:30,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 59 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:10:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-09 01:10:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-09 01:10:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 54 states have internal predecessors, (60), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 10 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-09 01:10:30,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-11-09 01:10:30,737 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 20 [2024-11-09 01:10:30,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:30,738 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-11-09 01:10:30,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:10:30,738 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-11-09 01:10:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 01:10:30,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:30,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:30,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 01:10:30,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:30,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:30,748 INFO L85 PathProgramCache]: Analyzing trace with hash -897596085, now seen corresponding path program 1 times [2024-11-09 01:10:30,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:30,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681990071] [2024-11-09 01:10:30,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:30,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:10:31,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:31,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681990071] [2024-11-09 01:10:31,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681990071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:10:31,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654886527] [2024-11-09 01:10:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:31,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:31,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:31,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:10:31,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:10:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:31,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:10:31,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 01:10:31,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 01:10:31,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654886527] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 01:10:31,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:10:31,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 15 [2024-11-09 01:10:31,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933017444] [2024-11-09 01:10:31,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:31,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:10:31,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:31,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:10:31,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-09 01:10:31,943 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 01:10:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:32,161 INFO L93 Difference]: Finished difference Result 164 states and 209 transitions. [2024-11-09 01:10:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:10:32,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-09 01:10:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:32,164 INFO L225 Difference]: With dead ends: 164 [2024-11-09 01:10:32,164 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 01:10:32,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-09 01:10:32,170 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:32,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 135 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:10:32,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 01:10:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2024-11-09 01:10:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 75 states have internal predecessors, (83), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (19), 14 states have call predecessors, (19), 17 states have call successors, (19) [2024-11-09 01:10:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2024-11-09 01:10:32,202 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 39 [2024-11-09 01:10:32,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:32,203 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2024-11-09 01:10:32,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 01:10:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2024-11-09 01:10:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 01:10:32,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:32,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:32,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:10:32,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:32,407 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:32,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:32,408 INFO L85 PathProgramCache]: Analyzing trace with hash -874885608, now seen corresponding path program 1 times [2024-11-09 01:10:32,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:32,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191590814] [2024-11-09 01:10:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:10:33,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:33,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191590814] [2024-11-09 01:10:33,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191590814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:10:33,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568741718] [2024-11-09 01:10:33,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:33,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:33,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:33,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:10:33,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:10:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:33,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 01:10:33,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:10:33,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:10:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568741718] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:10:34,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1959771273] [2024-11-09 01:10:34,391 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2024-11-09 01:10:34,391 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:10:34,397 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:10:34,405 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:10:34,406 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:10:39,136 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 77 for LOIs [2024-11-09 01:10:39,766 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 83 for LOIs [2024-11-09 01:10:39,853 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 29 for LOIs [2024-11-09 01:10:39,861 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:10:43,723 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1535#(and (<= 1 |#StackHeapBarrier|) (<= ~methaneLevelCritical~0 1) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (exists ((|v_timeShift___utac_acc__Specification2_spec__2_~tmp~6#1_32| Int)) (and (not (= |v_timeShift___utac_acc__Specification2_spec__2_~tmp~6#1_32| 0)) (<= |v_timeShift___utac_acc__Specification2_spec__2_~tmp~6#1_32| 1) (<= 0 |v_timeShift___utac_acc__Specification2_spec__2_~tmp~6#1_32|))) (= ~head~0.offset 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |old(~methAndRunningLastTime~0)|) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (= ~cleanupTimeShifts~0 4))' at error location [2024-11-09 01:10:43,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 01:10:43,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:10:43,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 8] total 24 [2024-11-09 01:10:43,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789961657] [2024-11-09 01:10:43,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 01:10:43,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 01:10:43,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:43,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 01:10:43,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1595, Unknown=0, NotChecked=0, Total=1806 [2024-11-09 01:10:43,729 INFO L87 Difference]: Start difference. First operand 95 states and 119 transitions. Second operand has 24 states, 20 states have (on average 4.05) internal successors, (81), 22 states have internal predecessors, (81), 8 states have call successors, (14), 8 states have call predecessors, (14), 9 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 01:10:46,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:46,443 INFO L93 Difference]: Finished difference Result 663 states and 884 transitions. [2024-11-09 01:10:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-09 01:10:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.05) internal successors, (81), 22 states have internal predecessors, (81), 8 states have call successors, (14), 8 states have call predecessors, (14), 9 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) Word has length 42 [2024-11-09 01:10:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:46,452 INFO L225 Difference]: With dead ends: 663 [2024-11-09 01:10:46,452 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 01:10:46,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 102 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2190 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=1023, Invalid=6117, Unknown=0, NotChecked=0, Total=7140 [2024-11-09 01:10:46,459 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 490 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:46,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 473 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 01:10:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 01:10:46,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 462. [2024-11-09 01:10:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 318 states have (on average 1.2264150943396226) internal successors, (390), 347 states have internal predecessors, (390), 71 states have call successors, (71), 69 states have call predecessors, (71), 72 states have return successors, (118), 71 states have call predecessors, (118), 71 states have call successors, (118) [2024-11-09 01:10:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 579 transitions. [2024-11-09 01:10:46,574 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 579 transitions. Word has length 42 [2024-11-09 01:10:46,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:46,575 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 579 transitions. [2024-11-09 01:10:46,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.05) internal successors, (81), 22 states have internal predecessors, (81), 8 states have call successors, (14), 8 states have call predecessors, (14), 9 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 01:10:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 579 transitions. [2024-11-09 01:10:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 01:10:46,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:46,579 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:10:46,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 01:10:46,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:46,785 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:46,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:46,786 INFO L85 PathProgramCache]: Analyzing trace with hash 855635874, now seen corresponding path program 1 times [2024-11-09 01:10:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:10:46,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511743562] [2024-11-09 01:10:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:10:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:10:47,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:10:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511743562] [2024-11-09 01:10:47,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511743562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:10:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575314295] [2024-11-09 01:10:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:47,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:47,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:10:47,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 01:10:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:47,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 01:10:47,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 01:10:47,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 01:10:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575314295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:10:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1405523544] [2024-11-09 01:10:48,019 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-09 01:10:48,020 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:10:48,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:10:48,021 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:10:48,021 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:10:50,687 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 77 for LOIs [2024-11-09 01:10:50,797 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 25 for LOIs [2024-11-09 01:10:50,810 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:10:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1405523544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:53,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 01:10:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11, 7, 7] total 31 [2024-11-09 01:10:53,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835682312] [2024-11-09 01:10:53,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 01:10:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:10:53,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 01:10:53,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=771, Unknown=0, NotChecked=0, Total=930 [2024-11-09 01:10:53,133 INFO L87 Difference]: Start difference. First operand 462 states and 579 transitions. Second operand has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:10:54,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:54,820 INFO L93 Difference]: Finished difference Result 469 states and 588 transitions. [2024-11-09 01:10:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 01:10:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 48 [2024-11-09 01:10:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:54,825 INFO L225 Difference]: With dead ends: 469 [2024-11-09 01:10:54,825 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:10:54,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 120 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=268, Invalid=1214, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 01:10:54,833 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 38 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:54,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 21 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 01:10:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:10:54,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:10:54,838 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 01:10:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:10:54,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2024-11-09 01:10:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:54,839 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:10:54,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:10:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:10:54,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:10:54,845 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:10:54,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 01:10:55,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:55,049 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-09 01:10:55,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:10:58,306 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:10:58,324 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,326 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,327 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,337 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,337 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,337 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,338 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,368 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,368 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,368 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,370 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,370 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,389 WARN L162 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= 1 ~systemActive~0))) (and (or .cse0 (= ~methaneLevelCritical~0 1)) (or (not .cse1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (or (not .cse2) .cse0) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse3 .cse4 (or .cse2 (= |old(~methaneLevelCritical~0)| 1)) (= 0 ~systemActive~0)) (and (<= 1 |#StackHeapBarrier|) .cse3 .cse4 (= ~head~0.offset 0) .cse1 (<= 1 ~waterLevel~0) (= ~head~0.base 0) (= ~cleanupTimeShifts~0 4)))))) Eliminated clause: (let ((.cse0 (= ~methaneLevelCritical~0 0))) (and (or .cse0 (= ~methaneLevelCritical~0 1)) (exists ((|old(~methaneLevelCritical~0)| Int)) (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= 1 ~systemActive~0))) (and (or (not .cse1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (or (not .cse2) .cse0) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse3 .cse4 (or .cse2 (= |old(~methaneLevelCritical~0)| 1)) (= 0 ~systemActive~0)) (and (<= 1 |#StackHeapBarrier|) .cse3 .cse4 (= ~head~0.offset 0) .cse1 (<= 1 ~waterLevel~0) (= ~head~0.base 0) (= ~cleanupTimeShifts~0 4))))))))) [2024-11-09 01:10:58,403 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,408 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,408 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,408 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,448 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,455 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,567 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse1 (= ~head~0.offset 0)) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse9 (= 0 ~systemActive~0)) (.cse11 (= |old(~methAndRunningLastTime~0)| 1)) (.cse2 (= |old(~methAndRunningLastTime~0)| 0)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse3 (= ~head~0.base 0)) (.cse12 (= ~cleanupTimeShifts~0 4))) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (let ((.cse0 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1)))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 .cse2 .cse3 (exists ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (v_~systemActive~0_38 Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int) (v_~pumpRunning~0_83 Int)) (and (<= 0 (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|)) (<= |v_ULTIMATE.start_test_~tmp___2~0#1_16| 2147483647) (let ((.cse5 (= v_~pumpRunning~0_83 |old(~pumpRunning~0)|)) (.cse6 (= v_~systemActive~0_38 ~systemActive~0)) (.cse4 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (or (and .cse4 (let ((.cse7 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (or (and .cse5 .cse6 .cse7) (and .cse8 .cse9 (not .cse7)))) (<= 0 (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648)) (<= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483647)) (and .cse5 .cse6 (not .cse4) (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|) (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|)))) (or (and .cse10 (= v_~pumpRunning~0_83 0) .cse2 (= v_~systemActive~0_38 1)) (and .cse11 (= v_~pumpRunning~0_83 1) (<= 2 |old(~waterLevel~0)|))))) .cse12) (and .cse0 .cse2 .cse8 .cse9))) (or (not .cse1) (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (v_~systemActive~0_38 Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int) (v_~pumpRunning~0_83 Int)) (or (let ((.cse14 (not (= v_~systemActive~0_38 ~systemActive~0))) (.cse15 (not (= v_~pumpRunning~0_83 |old(~pumpRunning~0)|))) (.cse13 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (and (or .cse13 .cse14 .cse15 (not (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|)) (not (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|))) (or (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_27|) (let ((.cse16 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (and (or (not .cse8) .cse16 (not .cse9)) (or .cse14 .cse15 (not .cse16)))) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648) 0) (not .cse13)))) (and (or (< |old(~waterLevel~0)| 2) (not .cse11) (not (= v_~pumpRunning~0_83 1))) (or (not .cse2) (not (= v_~systemActive~0_38 1)) (not .cse10) (not (= v_~pumpRunning~0_83 0)))) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_16|) (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|) 0))) (= |old(~waterLevel~0)| ~waterLevel~0) (< |#StackHeapBarrier| 1) (not .cse3) (not .cse12)))) Eliminated clause: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (exists ((|old(~pumpRunning~0)| Int) (|old(~methAndRunningLastTime~0)| Int) (|old(~waterLevel~0)| Int)) (let ((.cse8 (= |old(~waterLevel~0)| 1)) (.cse0 (= ~head~0.offset 0)) (.cse7 (= |old(~methAndRunningLastTime~0)| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse9 (= ~head~0.base 0)) (.cse10 (= ~cleanupTimeShifts~0 4))) (and (or (not .cse0) (forall ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (v_~systemActive~0_38 Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int) (v_~pumpRunning~0_83 Int)) (or (let ((.cse2 (not (= v_~systemActive~0_38 ~systemActive~0))) (.cse3 (not (= v_~pumpRunning~0_83 |old(~pumpRunning~0)|))) (.cse1 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (and (or .cse1 .cse2 .cse3 (not (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|)) (not (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|))) (or (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_27|) (let ((.cse5 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (and (or (not .cse4) .cse5 (not .cse6)) (or .cse2 .cse3 (not .cse5)))) (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648) 0) (not .cse1)))) (and (or (< |old(~waterLevel~0)| 2) (not (= |old(~methAndRunningLastTime~0)| 1)) (not (= v_~pumpRunning~0_83 1))) (or (not .cse7) (not (= v_~systemActive~0_38 1)) (not .cse8) (not (= v_~pumpRunning~0_83 0)))) (< 2147483647 |v_ULTIMATE.start_test_~tmp___2~0#1_16|) (< (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|) 0))) (= |old(~waterLevel~0)| ~waterLevel~0) (< |#StackHeapBarrier| 1) (not .cse9) (not .cse10)) (let ((.cse11 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1)))) (or (and .cse11 .cse7 .cse4 .cse6) (and (<= 1 |#StackHeapBarrier|) .cse11 .cse8 .cse0 .cse7 (exists ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int)) (and (<= 0 (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|)) (let ((.cse13 (= 1 ~systemActive~0)) (.cse12 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (or (and .cse12 (let ((.cse14 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (or (and .cse13 .cse4 .cse14) (and .cse4 .cse6 (not .cse14)))) (<= 0 (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648)) (<= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483647)) (and .cse13 .cse4 (not .cse12) (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|) (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|)))) (<= |v_ULTIMATE.start_test_~tmp___2~0#1_16| 2147483647))) .cse9 .cse10))))))) [2024-11-09 01:10:58,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,646 WARN L162 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (let ((.cse2 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 1 |#StackHeapBarrier|) .cse1 .cse2 (= ~head~0.offset 0) (exists ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (v_~systemActive~0_38 Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int) (v_~pumpRunning~0_83 Int)) (and (<= 0 (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|)) (or (and (= ~methAndRunningLastTime~0 1) (= v_~pumpRunning~0_83 1) (<= 2 |old(~waterLevel~0)|)) (and .cse1 (= |old(~waterLevel~0)| 1) (= v_~pumpRunning~0_83 0) (= v_~systemActive~0_38 1))) (let ((.cse6 (= v_~systemActive~0_38 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 v_~pumpRunning~0_83)) (.cse4 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (or (and .cse4 (<= 0 (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648)) (let ((.cse5 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (or (and .cse0 .cse3 (not .cse5)) (and .cse6 .cse5 .cse7))) (<= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483647)) (and .cse6 .cse7 (not .cse4) (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|) (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|)))) (<= |v_ULTIMATE.start_test_~tmp___2~0#1_16| 2147483647))) (= ~head~0.base 0) (= ~cleanupTimeShifts~0 4)))) (or (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0))) Eliminated clause: (exists ((|old(~waterLevel~0)| Int)) (let ((.cse3 (= 1 ~systemActive~0))) (and (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse5 (= 0 ~systemActive~0))) (or (and (<= 1 |#StackHeapBarrier|) .cse0 .cse1 (= |old(~waterLevel~0)| 1) (= ~head~0.offset 0) (= ~head~0.base 0) (exists ((|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_27| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_31| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_16| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_62| Int) (|v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| Int)) (and (<= 0 (+ 2147483648 |v_ULTIMATE.start_test_~tmp___2~0#1_16|)) (let ((.cse4 (= 0 |v_ULTIMATE.start_test_~tmp___2~0#1_16|))) (or (and .cse2 .cse3 (not .cse4) (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_~tmp___1~0#1_62|) (= |v_ULTIMATE.start_test_#t~nondet41#1_BEFORE_CALL_20| |v_ULTIMATE.start_test_#t~nondet41#1_31|)) (and .cse4 (<= 0 (+ |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483648)) (let ((.cse6 (= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 0))) (or (and .cse2 .cse5 (not .cse6)) (and .cse2 .cse3 .cse6))) (<= |v_ULTIMATE.start_test_~tmp___1~0#1_27| 2147483647)))) (<= |v_ULTIMATE.start_test_~tmp___2~0#1_16| 2147483647))) (= ~cleanupTimeShifts~0 4)) (and .cse2 .cse0 .cse1 .cse5))) (or (not .cse3) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2024-11-09 01:10:58,682 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 01:10:58,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-09 01:10:58,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-09 01:10:58,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 01:10:58,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:10:58 BoogieIcfgContainer [2024-11-09 01:10:58,687 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:10:58,688 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:10:58,688 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:10:58,688 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:10:58,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:29" (3/4) ... [2024-11-09 01:10:58,694 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:10:58,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 01:10:58,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 01:10:58,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 01:10:58,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-09 01:10:58,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 01:10:58,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 01:10:58,709 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-11-09 01:10:58,710 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 01:10:58,710 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 01:10:58,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:10:58,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:10:58,746 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (cleanupTimeShifts == 4)) || (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (\old(pumpRunning) == 0)) && (0 == systemActive)))) [2024-11-09 01:10:58,791 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (cleanupTimeShifts == 4)) || (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (\old(pumpRunning) == 0)) && (0 == systemActive)))) [2024-11-09 01:10:58,859 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:10:58,860 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:10:58,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:10:58,861 INFO L158 Benchmark]: Toolchain (without parser) took 31098.55ms. Allocated memory was 142.6MB in the beginning and 553.6MB in the end (delta: 411.0MB). Free memory was 103.1MB in the beginning and 202.9MB in the end (delta: -99.7MB). Peak memory consumption was 312.3MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,861 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:10:58,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.61ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 81.2MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.68ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,863 INFO L158 Benchmark]: Boogie Preprocessor took 33.71ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,864 INFO L158 Benchmark]: RCFGBuilder took 861.18ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 77.5MB in the beginning and 156.7MB in the end (delta: -79.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,864 INFO L158 Benchmark]: TraceAbstraction took 29352.37ms. Allocated memory was 188.7MB in the beginning and 553.6MB in the end (delta: 364.9MB). Free memory was 155.6MB in the beginning and 211.3MB in the end (delta: -55.6MB). Peak memory consumption was 330.9MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,865 INFO L158 Benchmark]: Witness Printer took 172.81ms. Allocated memory is still 553.6MB. Free memory was 210.2MB in the beginning and 202.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:10:58,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.61ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 81.2MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.68ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.71ms. Allocated memory is still 142.6MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.18ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 77.5MB in the beginning and 156.7MB in the end (delta: -79.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29352.37ms. Allocated memory was 188.7MB in the beginning and 553.6MB in the end (delta: 364.9MB). Free memory was 155.6MB in the beginning and 211.3MB in the end (delta: -55.6MB). Peak memory consumption was 330.9MB. Max. memory is 16.1GB. * Witness Printer took 172.81ms. Allocated memory is still 553.6MB. Free memory was 210.2MB in the beginning and 202.9MB 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,"MinePump.i","") [415] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [593] - GenericResultAtLocation [Line: 663]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [663] - GenericResultAtLocation [Line: 703]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [703] - GenericResultAtLocation [Line: 741]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [741] - GenericResultAtLocation [Line: 750]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [750] - GenericResultAtLocation [Line: 847]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [847] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 746]: 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 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 581 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 599 mSDsCounter, 328 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1181 IncrementalHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 328 mSolverCounterUnsat, 190 mSDtfsCounter, 1181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 451 GetRequests, 303 SyntacticMatches, 11 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2674 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=5, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1723 SizeOfPredicates, 12 NumberOfNonLiveVariables, 622 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 121/162 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: OVERALL_TIME: 2.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 28, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME: 1.2s, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 76, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 92, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 444, DAG_COMPRESSION_RETAINED_NODES: 96, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (cleanupTimeShifts == 4)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 430]: Location Invariant Derived location invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (cleanupTimeShifts == 4)) || (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (\old(pumpRunning) == 0)) && (0 == systemActive)))) - ProcedureContractResult [Line: 454]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (waterLevel == 1)) && (cleanupTimeShifts == 4)) Ensures: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (waterLevel == 1)) && (cleanupTimeShifts == 4)) && (((((((head == \old(head)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 875]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) Ensures: ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (((1 != systemActive) || ((\old(methaneLevelCritical) != 0) && (methaneLevelCritical == 0))) || ((\old(methaneLevelCritical) == 0) && (methaneLevelCritical == 1)))) && ((((((\old(methaneLevelCritical) == 0) || (\old(methaneLevelCritical) == 1)) && (1 == systemActive)) && (1 <= waterLevel)) && (cleanupTimeShifts == 4)) || (((\old(methaneLevelCritical) == 0) || (\old(methaneLevelCritical) == 1)) && (0 == systemActive)))) && ((((((head == \old(head)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 752]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 887]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: ((((pumpRunning == 0) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (waterLevel == 1)) && (cleanupTimeShifts == 4))) Ensures: (((\result == methaneLevelCritical) && ((((pumpRunning == 0) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (0 == systemActive)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (waterLevel == 1)) && (cleanupTimeShifts == 4)))) && (((((((head == \old(head)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 430]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (methAndRunningLastTime == 0)) Ensures: ((((((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(methAndRunningLastTime) == 0)) && (\old(pumpRunning) == 0)) && (0 == systemActive)) || (((((methaneLevelCritical == 0) || (methaneLevelCritical == 1)) && (\old(waterLevel) == 1)) && (\old(methAndRunningLastTime) == 0)) && (cleanupTimeShifts == 4))) && ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (0 == systemActive)))) && ((((head == \old(head)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 863]: Procedure Contract for waterRise Derived contract for procedure waterRise. Ensures: (((((((methAndRunningLastTime == 0) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (\old(waterLevel) == 1)) && (cleanupTimeShifts == 4)) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && ((methaneLevelCritical == 0) || (methaneLevelCritical == 1))) && (0 == systemActive))) && ((1 != systemActive) || (0 < waterLevel))) && ((((((head == \old(head)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:10:58,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22a3c6cf-966b-44ca-b100-b4c3e0d0d4ee/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE