./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:28:03,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:28:03,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:28:03,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:28:03,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:28:03,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:28:03,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:28:03,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:28:03,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:28:03,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:28:03,503 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:28:03,504 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:28:03,504 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:28:03,505 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:28:03,505 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:28:03,506 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:28:03,507 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:28:03,507 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:28:03,508 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:28:03,509 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:28:03,509 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:28:03,510 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:28:03,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:28:03,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:28:03,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:28:03,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:28:03,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:28:03,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:28:03,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:28:03,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:28:03,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:28:03,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:28:03,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:28:03,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:28:03,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:28:03,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:28:03,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:28:03,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:03,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:28:03,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:28:03,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:28:03,521 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:28:03,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:28:03,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:28:03,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:28:03,522 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:28:03,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:28:03,522 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_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fa4f60085f64a1804e4aca4b7be9247f343df1e9c84e33b08f4411c844fb6fe [2023-11-23 21:28:03,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:28:03,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:28:03,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:28:03,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:28:03,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:28:03,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2023-11-23 21:28:07,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:28:07,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:28:07,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c [2023-11-23 21:28:07,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/data/c9af1340e/98cc202d7abd45548e6b0a6eef288bbf/FLAG2a39d9af5 [2023-11-23 21:28:07,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/data/c9af1340e/98cc202d7abd45548e6b0a6eef288bbf [2023-11-23 21:28:07,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:28:07,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:28:07,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:07,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:28:07,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:28:07,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:07" (1/1) ... [2023-11-23 21:28:07,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a27d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:07, skipping insertion in model container [2023-11-23 21:28:07,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:28:07" (1/1) ... [2023-11-23 21:28:07,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:28:07,902 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c[16885,16898] [2023-11-23 21:28:07,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:07,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:28:07,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-23 21:28:07,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] [2023-11-23 21:28:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] [2023-11-23 21:28:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] [2023-11-23 21:28:07,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] [2023-11-23 21:28:07,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] [2023-11-23 21:28:07,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] [2023-11-23 21:28:07,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] [2023-11-23 21:28:08,030 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/sv-benchmarks/c/product-lines/minepump_spec5_product08.cil.c[16885,16898] [2023-11-23 21:28:08,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:28:08,053 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:28:08,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08 WrapperNode [2023-11-23 21:28:08,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:28:08,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:08,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:28:08,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:28:08,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,103 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 171 [2023-11-23 21:28:08,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:28:08,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:28:08,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:28:08,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:28:08,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:28:08,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:28:08,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:28:08,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:28:08,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (1/1) ... [2023-11-23 21:28:08,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:28:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:28:08,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:28:08,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:28:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:28:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:28:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:28:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:28:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:28:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:28:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:28:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:28:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:28:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-23 21:28:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-23 21:28:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:28:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:28:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:28:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:28:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:28:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:28:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:28:08,313 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:28:08,315 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:28:08,568 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:28:08,693 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:28:08,693 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:28:08,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:08 BoogieIcfgContainer [2023-11-23 21:28:08,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:28:08,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:28:08,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:28:08,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:28:08,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:28:07" (1/3) ... [2023-11-23 21:28:08,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2925775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:08, skipping insertion in model container [2023-11-23 21:28:08,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:28:08" (2/3) ... [2023-11-23 21:28:08,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2925775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:28:08, skipping insertion in model container [2023-11-23 21:28:08,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:08" (3/3) ... [2023-11-23 21:28:08,705 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2023-11-23 21:28:08,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:28:08,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:28:08,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:28:08,788 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@197b31ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:28:08,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:28:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:28:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:28:08,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:08,810 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:08,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:08,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1788641189, now seen corresponding path program 1 times [2023-11-23 21:28:08,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:08,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697131413] [2023-11-23 21:28:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:28:09,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697131413] [2023-11-23 21:28:09,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697131413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:09,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:28:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673127200] [2023-11-23 21:28:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:09,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:28:09,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:09,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:28:09,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:09,087 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:09,191 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-11-23 21:28:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:28:09,194 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-23 21:28:09,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:09,204 INFO L225 Difference]: With dead ends: 116 [2023-11-23 21:28:09,204 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 21:28:09,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:28:09,213 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:09,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:28:09,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 21:28:09,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-23 21:28:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:28:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-23 21:28:09,262 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-11-23 21:28:09,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:09,263 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-23 21:28:09,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 21:28:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:28:09,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:09,269 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:09,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:28:09,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:09,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:09,271 INFO L85 PathProgramCache]: Analyzing trace with hash -176283754, now seen corresponding path program 1 times [2023-11-23 21:28:09,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:09,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958947314] [2023-11-23 21:28:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:09,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:28:09,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:09,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958947314] [2023-11-23 21:28:09,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958947314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:09,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:09,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:28:09,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266752306] [2023-11-23 21:28:09,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:09,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:28:09,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:09,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:28:09,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:09,391 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:09,428 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-23 21:28:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:28:09,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-23 21:28:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:09,431 INFO L225 Difference]: With dead ends: 80 [2023-11-23 21:28:09,432 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 21:28:09,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:28:09,440 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:09,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:28:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 21:28:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 21:28:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 21:28:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-23 21:28:09,466 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-11-23 21:28:09,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:09,467 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-23 21:28:09,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-23 21:28:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:28:09,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:09,470 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:09,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:28:09,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:09,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:09,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1182143645, now seen corresponding path program 1 times [2023-11-23 21:28:09,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:09,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613992156] [2023-11-23 21:28:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:09,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:28:09,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:09,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613992156] [2023-11-23 21:28:09,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613992156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:09,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:09,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:28:09,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780454602] [2023-11-23 21:28:09,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:09,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:28:09,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:28:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:28:09,662 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:28:09,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:09,814 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2023-11-23 21:28:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:28:09,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-23 21:28:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:09,818 INFO L225 Difference]: With dead ends: 126 [2023-11-23 21:28:09,819 INFO L226 Difference]: Without dead ends: 82 [2023-11-23 21:28:09,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:28:09,823 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:09,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 124 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:28:09,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-23 21:28:09,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2023-11-23 21:28:09,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 61 states have internal predecessors, (71), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-23 21:28:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2023-11-23 21:28:09,862 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2023-11-23 21:28:09,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:09,863 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2023-11-23 21:28:09,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:28:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-23 21:28:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 21:28:09,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:28:09,871 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:28:09,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:28:09,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:28:09,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:28:09,875 INFO L85 PathProgramCache]: Analyzing trace with hash 440460541, now seen corresponding path program 1 times [2023-11-23 21:28:09,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:28:09,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871776558] [2023-11-23 21:28:09,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:28:09,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:28:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:28:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:28:10,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:28:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871776558] [2023-11-23 21:28:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871776558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:28:10,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:28:10,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:28:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552025980] [2023-11-23 21:28:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:28:10,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:28:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:28:10,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:28:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:28:10,071 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:10,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:28:10,192 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2023-11-23 21:28:10,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:28:10,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-23 21:28:10,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:28:10,194 INFO L225 Difference]: With dead ends: 145 [2023-11-23 21:28:10,194 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:28:10,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:28:10,198 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:28:10,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:28:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:28:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:28:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:28:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:28:10,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-23 21:28:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:28:10,201 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:28:10,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:28:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:28:10,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:28:10,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:28:10,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:28:10,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:28:10,453 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 133 140) no Hoare annotation was computed. [2023-11-23 21:28:10,453 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 133 140) the Hoare annotation is: true [2023-11-23 21:28:10,453 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2023-11-23 21:28:10,454 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2023-11-23 21:28:10,454 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 881 892) the Hoare annotation is: true [2023-11-23 21:28:10,454 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 881 892) no Hoare annotation was computed. [2023-11-23 21:28:10,454 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 294 323) no Hoare annotation was computed. [2023-11-23 21:28:10,454 INFO L899 garLoopResultBuilder]: For program point L319(lines 294 323) no Hoare annotation was computed. [2023-11-23 21:28:10,455 INFO L899 garLoopResultBuilder]: For program point L315(line 315) no Hoare annotation was computed. [2023-11-23 21:28:10,455 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2023-11-23 21:28:10,456 INFO L902 garLoopResultBuilder]: At program point L308-1(lines 308 312) the Hoare annotation is: true [2023-11-23 21:28:10,456 INFO L902 garLoopResultBuilder]: At program point L304-2(lines 304 318) the Hoare annotation is: true [2023-11-23 21:28:10,456 INFO L902 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: true [2023-11-23 21:28:10,456 INFO L899 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2023-11-23 21:28:10,458 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 294 323) the Hoare annotation is: true [2023-11-23 21:28:10,460 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:28:10,460 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:28:10,460 INFO L895 garLoopResultBuilder]: At program point L445(line 445) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:28:10,460 INFO L899 garLoopResultBuilder]: For program point L445-1(line 445) no Hoare annotation was computed. [2023-11-23 21:28:10,461 INFO L895 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-23 21:28:10,461 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2023-11-23 21:28:10,461 INFO L899 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2023-11-23 21:28:10,461 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 472) no Hoare annotation was computed. [2023-11-23 21:28:10,461 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 475) no Hoare annotation was computed. [2023-11-23 21:28:10,462 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 450 478) no Hoare annotation was computed. [2023-11-23 21:28:10,462 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 469) no Hoare annotation was computed. [2023-11-23 21:28:10,462 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 79 85) no Hoare annotation was computed. [2023-11-23 21:28:10,462 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2023-11-23 21:28:10,462 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 65 91) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:28:10,463 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 121) no Hoare annotation was computed. [2023-11-23 21:28:10,464 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:28:10,464 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-23 21:28:10,464 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2023-11-23 21:28:10,464 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2023-11-23 21:28:10,465 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 68 90) no Hoare annotation was computed. [2023-11-23 21:28:10,465 INFO L899 garLoopResultBuilder]: For program point L287(lines 224 291) no Hoare annotation was computed. [2023-11-23 21:28:10,466 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 260) no Hoare annotation was computed. [2023-11-23 21:28:10,466 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 260) no Hoare annotation was computed. [2023-11-23 21:28:10,466 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-11-23 21:28:10,466 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 207) no Hoare annotation was computed. [2023-11-23 21:28:10,466 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2023-11-23 21:28:10,467 INFO L895 garLoopResultBuilder]: At program point L284(lines 233 285) the Hoare annotation is: false [2023-11-23 21:28:10,467 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 278) no Hoare annotation was computed. [2023-11-23 21:28:10,467 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 264 279) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-11-23 21:28:10,467 INFO L899 garLoopResultBuilder]: For program point L235(lines 234 283) no Hoare annotation was computed. [2023-11-23 21:28:10,468 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 279) no Hoare annotation was computed. [2023-11-23 21:28:10,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:28:10,472 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-11-23 21:28:10,472 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 387) no Hoare annotation was computed. [2023-11-23 21:28:10,473 INFO L899 garLoopResultBuilder]: For program point L380-2(lines 380 387) no Hoare annotation was computed. [2023-11-23 21:28:10,473 INFO L895 garLoopResultBuilder]: At program point L281(lines 234 283) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~2#1| 1)) [2023-11-23 21:28:10,473 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2023-11-23 21:28:10,473 INFO L899 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2023-11-23 21:28:10,474 INFO L895 garLoopResultBuilder]: At program point L203(line 203) the Hoare annotation is: false [2023-11-23 21:28:10,474 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:28:10,479 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 869 880) no Hoare annotation was computed. [2023-11-23 21:28:10,480 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 880) the Hoare annotation is: true [2023-11-23 21:28:10,480 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 152 160) no Hoare annotation was computed. [2023-11-23 21:28:10,480 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 152 160) the Hoare annotation is: true [2023-11-23 21:28:10,483 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:28:10,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:28:10,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:28:10 BoogieIcfgContainer [2023-11-23 21:28:10,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:28:10,505 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:28:10,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:28:10,506 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:28:10,506 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:28:08" (3/4) ... [2023-11-23 21:28:10,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:28:10,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:28:10,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:28:10,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:28:10,512 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:28:10,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:28:10,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:28:10,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-23 21:28:10,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-11-23 21:28:10,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-23 21:28:10,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:28:10,530 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:28:10,531 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:28:10,665 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:28:10,666 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:28:10,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:28:10,667 INFO L158 Benchmark]: Toolchain (without parser) took 3213.99ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 126.4MB in the end (delta: -5.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,667 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:28:10,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.84ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 101.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.37ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,668 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,668 INFO L158 Benchmark]: RCFGBuilder took 560.94ms. Allocated memory is still 159.4MB. Free memory was 97.5MB in the beginning and 74.8MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,669 INFO L158 Benchmark]: TraceAbstraction took 1806.82ms. Allocated memory is still 159.4MB. Free memory was 73.9MB in the beginning and 53.7MB in the end (delta: 20.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,669 INFO L158 Benchmark]: Witness Printer took 160.92ms. Allocated memory is still 159.4MB. Free memory was 53.7MB in the beginning and 126.4MB in the end (delta: -72.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-23 21:28:10,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.84ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 101.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.37ms. Allocated memory is still 159.4MB. Free memory was 101.2MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.94ms. Allocated memory is still 159.4MB. Free memory was 97.5MB in the beginning and 74.8MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.82ms. Allocated memory is still 159.4MB. Free memory was 73.9MB in the beginning and 53.7MB in the end (delta: 20.2MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 160.92ms. Allocated memory is still 159.4MB. Free memory was 53.7MB in the beginning and 126.4MB in the end (delta: -72.7MB). Peak memory consumption was 4.7MB. 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [220] - GenericResultAtLocation [Line: 292]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [292] - GenericResultAtLocation [Line: 393]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [393] - GenericResultAtLocation [Line: 428]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [428] - GenericResultAtLocation [Line: 479]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [479] - GenericResultAtLocation [Line: 845]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [845] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [854] * 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: 850]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 187 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 117 PreInvPairs, 128 NumberOfFragments, 96 HoareAnnotationTreeSize, 117 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (tmp == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:28:10,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac70b530-7e2e-4796-bb92-e408357e9279/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE