./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/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_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/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_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:13,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:13,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:17:13,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:13,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:13,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:13,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:13,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:13,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:13,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:13,402 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:13,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:13,403 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:13,403 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:13,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:13,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:13,405 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:13,406 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:13,406 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:13,407 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:13,408 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:13,409 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:13,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:13,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:13,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:13,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:13,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:13,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:13,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:13,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:13,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:13,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:13,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:13,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:13,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:13,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:13,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:13,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:13,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:13,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:13,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:13,423 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:13,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:13,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:13,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:13,425 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:13,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:13,425 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_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2023-11-23 21:17:13,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:13,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:13,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:13,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:13,751 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:13,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2023-11-23 21:17:16,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:17,168 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:17,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2023-11-23 21:17:17,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/data/685c0e734/2ce31e1af8234255a1c8cc23f0941efd/FLAG98cfa41e5 [2023-11-23 21:17:17,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/data/685c0e734/2ce31e1af8234255a1c8cc23f0941efd [2023-11-23 21:17:17,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:17,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:17,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:17,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:17,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:17,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dde3368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17, skipping insertion in model container [2023-11-23 21:17:17,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:17,521 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_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2023-11-23 21:17:17,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:17,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:17,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-11-23 21:17:17,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [91] [2023-11-23 21:17:17,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [129] [2023-11-23 21:17:17,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [224] [2023-11-23 21:17:17,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [324] [2023-11-23 21:17:17,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [690] [2023-11-23 21:17:17,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] [2023-11-23 21:17:17,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [770] [2023-11-23 21:17:17,624 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_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2023-11-23 21:17:17,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:17,678 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:17,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17 WrapperNode [2023-11-23 21:17:17,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:17,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:17,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:17,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:17,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,737 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 174 [2023-11-23 21:17:17,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:17,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:17,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:17,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:17,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:17,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:17,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:17,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:17,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (1/1) ... [2023-11-23 21:17:17,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:17,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:17,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:17,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:17:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:17:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:17:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:17:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:17:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:17:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 21:17:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 21:17:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:17:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:17:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:17:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:17:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:17:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:17:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:17,944 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:17,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:18,244 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:18,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:18,340 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:17:18,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:18 BoogieIcfgContainer [2023-11-23 21:17:18,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:18,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:18,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:18,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:18,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:17" (1/3) ... [2023-11-23 21:17:18,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371e9cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:18, skipping insertion in model container [2023-11-23 21:17:18,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:17" (2/3) ... [2023-11-23 21:17:18,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371e9cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:18, skipping insertion in model container [2023-11-23 21:17:18,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:18" (3/3) ... [2023-11-23 21:17:18,352 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2023-11-23 21:17:18,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:18,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:18,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:18,428 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;@1ff1f6a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:18,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:17:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:17:18,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:18,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:18,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:18,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash -341982258, now seen corresponding path program 1 times [2023-11-23 21:17:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:18,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501010856] [2023-11-23 21:17:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:18,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:18,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:18,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501010856] [2023-11-23 21:17:18,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501010856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:18,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:18,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:17:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608349853] [2023-11-23 21:17:18,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:18,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:17:18,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:17:18,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:18,735 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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) [2023-11-23 21:17:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:18,801 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2023-11-23 21:17:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:17:18,804 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 [2023-11-23 21:17:18,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:18,813 INFO L225 Difference]: With dead ends: 112 [2023-11-23 21:17:18,813 INFO L226 Difference]: Without dead ends: 52 [2023-11-23 21:17:18,817 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 21:17:18,821 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:18,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:18,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-23 21:17:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-23 21:17:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:17:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2023-11-23 21:17:18,867 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 17 [2023-11-23 21:17:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:18,868 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2023-11-23 21:17:18,868 INFO L496 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) [2023-11-23 21:17:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-23 21:17:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:17:18,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:18,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:18,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:18,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:18,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:18,880 INFO L85 PathProgramCache]: Analyzing trace with hash 472662292, now seen corresponding path program 1 times [2023-11-23 21:17:18,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:18,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70158835] [2023-11-23 21:17:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:19,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:19,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70158835] [2023-11-23 21:17:19,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70158835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:19,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:19,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:19,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900358040] [2023-11-23 21:17:19,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:19,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:19,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:19,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:19,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:19,050 INFO L87 Difference]: Start difference. First operand 52 states and 67 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) [2023-11-23 21:17:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:19,092 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2023-11-23 21:17:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:19,093 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 [2023-11-23 21:17:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:19,094 INFO L225 Difference]: With dead ends: 76 [2023-11-23 21:17:19,094 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:17:19,095 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 21:17:19,097 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 70 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 21:17:19,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:17:19,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:17:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 21:17:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2023-11-23 21:17:19,109 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 18 [2023-11-23 21:17:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:19,110 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2023-11-23 21:17:19,110 INFO L496 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) [2023-11-23 21:17:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-23 21:17:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:17:19,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:19,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:19,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:17:19,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:19,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:19,113 INFO L85 PathProgramCache]: Analyzing trace with hash 120761368, now seen corresponding path program 1 times [2023-11-23 21:17:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:19,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010123470] [2023-11-23 21:17:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:19,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:19,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010123470] [2023-11-23 21:17:19,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010123470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:19,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:19,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:17:19,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302656791] [2023-11-23 21:17:19,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:19,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:17:19,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:19,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:17:19,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:19,316 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 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) [2023-11-23 21:17:19,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:19,439 INFO L93 Difference]: Finished difference Result 120 states and 154 transitions. [2023-11-23 21:17:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:17:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 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 21 [2023-11-23 21:17:19,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:19,447 INFO L225 Difference]: With dead ends: 120 [2023-11-23 21:17:19,448 INFO L226 Difference]: Without dead ends: 78 [2023-11-23 21:17:19,449 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 21:17:19,451 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 79 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:19,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 115 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-23 21:17:19,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2023-11-23 21:17:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.38) internal successors, (69), 59 states have internal predecessors, (69), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2023-11-23 21:17:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2023-11-23 21:17:19,475 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 21 [2023-11-23 21:17:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:19,476 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2023-11-23 21:17:19,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 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) [2023-11-23 21:17:19,476 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-23 21:17:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:17:19,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:19,479 INFO L195 NwaCegarLoop]: trace histogram [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 21:17:19,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:17:19,479 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:19,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:19,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1722537964, now seen corresponding path program 1 times [2023-11-23 21:17:19,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:19,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796808538] [2023-11-23 21:17:19,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:19,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:19,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796808538] [2023-11-23 21:17:19,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796808538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:19,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:19,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:19,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303181337] [2023-11-23 21:17:19,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:19,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:19,579 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-23 21:17:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:19,651 INFO L93 Difference]: Finished difference Result 148 states and 196 transitions. [2023-11-23 21:17:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:19,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-11-23 21:17:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:19,655 INFO L225 Difference]: With dead ends: 148 [2023-11-23 21:17:19,656 INFO L226 Difference]: Without dead ends: 146 [2023-11-23 21:17:19,656 INFO L412 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 [2023-11-23 21:17:19,658 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:19,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 81 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-23 21:17:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2023-11-23 21:17:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 114 states have internal predecessors, (133), 26 states have call successors, (26), 22 states have call predecessors, (26), 22 states have return successors, (34), 20 states have call predecessors, (34), 26 states have call successors, (34) [2023-11-23 21:17:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 193 transitions. [2023-11-23 21:17:19,694 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 193 transitions. Word has length 24 [2023-11-23 21:17:19,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:19,694 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 193 transitions. [2023-11-23 21:17:19,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-23 21:17:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 193 transitions. [2023-11-23 21:17:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 21:17:19,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:19,699 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 21:17:19,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:17:19,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:19,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:19,700 INFO L85 PathProgramCache]: Analyzing trace with hash 38726385, now seen corresponding path program 1 times [2023-11-23 21:17:19,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:19,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943397317] [2023-11-23 21:17:19,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:20,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:20,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943397317] [2023-11-23 21:17:20,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943397317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:20,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:20,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:17:20,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897093380] [2023-11-23 21:17:20,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:20,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:17:20,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:20,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:17:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:17:20,049 INFO L87 Difference]: Start difference. First operand 146 states and 193 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:17:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:20,189 INFO L93 Difference]: Finished difference Result 208 states and 277 transitions. [2023-11-23 21:17:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:17:20,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2023-11-23 21:17:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:20,191 INFO L225 Difference]: With dead ends: 208 [2023-11-23 21:17:20,191 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:17:20,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:17:20,195 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 34 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:20,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 62 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:20,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:17:20,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:17:20,197 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 21:17:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:17:20,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-11-23 21:17:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:20,198 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:17:20,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:17:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:17:20,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:17:20,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:17:20,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:17:20,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:17:20,486 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2023-11-23 21:17:20,487 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 841 848) the Hoare annotation is: true [2023-11-23 21:17:20,490 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2023-11-23 21:17:20,491 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2023-11-23 21:17:20,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 173) the Hoare annotation is: true [2023-11-23 21:17:20,492 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2023-11-23 21:17:20,492 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2023-11-23 21:17:20,492 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2023-11-23 21:17:20,492 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 829) no Hoare annotation was computed. [2023-11-23 21:17:20,493 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2023-11-23 21:17:20,494 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-11-23 21:17:20,500 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-11-23 21:17:20,500 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-11-23 21:17:20,500 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-23 21:17:20,501 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-23 21:17:20,502 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-23 21:17:20,503 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-23 21:17:20,503 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)))) [2023-11-23 21:17:20,504 INFO L899 garLoopResultBuilder]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2023-11-23 21:17:20,504 INFO L899 garLoopResultBuilder]: For program point L695(line 695) no Hoare annotation was computed. [2023-11-23 21:17:20,504 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2023-11-23 21:17:20,504 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2023-11-23 21:17:20,504 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-23 21:17:20,504 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-11-23 21:17:20,505 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2023-11-23 21:17:20,505 INFO L899 garLoopResultBuilder]: For program point L252(lines 227 256) no Hoare annotation was computed. [2023-11-23 21:17:20,505 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2023-11-23 21:17:20,505 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2023-11-23 21:17:20,505 INFO L902 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2023-11-23 21:17:20,505 INFO L902 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2023-11-23 21:17:20,506 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 227 256) the Hoare annotation is: true [2023-11-23 21:17:20,506 INFO L902 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2023-11-23 21:17:20,508 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2023-11-23 21:17:20,508 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 182) the Hoare annotation is: true [2023-11-23 21:17:20,509 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2023-11-23 21:17:20,509 INFO L895 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2023-11-23 21:17:20,509 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2023-11-23 21:17:20,510 INFO L895 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:17:20,510 INFO L899 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2023-11-23 21:17:20,510 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 757) no Hoare annotation was computed. [2023-11-23 21:17:20,510 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2023-11-23 21:17:20,510 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2023-11-23 21:17:20,514 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:17:20,516 INFO L895 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:17:20,516 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-11-23 21:17:20,516 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2023-11-23 21:17:20,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:17:20,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:17:20,519 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2023-11-23 21:17:20,519 INFO L899 garLoopResultBuilder]: For program point L765(lines 702 769) no Hoare annotation was computed. [2023-11-23 21:17:20,519 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2023-11-23 21:17:20,519 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2023-11-23 21:17:20,520 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 318) no Hoare annotation was computed. [2023-11-23 21:17:20,521 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2023-11-23 21:17:20,521 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:17:20,521 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2023-11-23 21:17:20,521 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 150 161) the Hoare annotation is: true [2023-11-23 21:17:20,524 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:17:20,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:17:20,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:17:20 BoogieIcfgContainer [2023-11-23 21:17:20,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:17:20,552 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:17:20,552 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:17:20,552 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:17:20,553 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:18" (3/4) ... [2023-11-23 21:17:20,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:17:20,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:17:20,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:17:20,559 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:17:20,560 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:17:20,560 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:17:20,560 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 21:17:20,560 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:17:20,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2023-11-23 21:17:20,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:17:20,576 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:17:20,577 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:17:20,578 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:17:20,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) [2023-11-23 21:17:20,659 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) [2023-11-23 21:17:20,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:17:20,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:17:20,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:17:20,720 INFO L158 Benchmark]: Toolchain (without parser) took 3514.19ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 118.6MB in the beginning and 135.6MB in the end (delta: -17.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,721 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:20,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.45ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 99.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.57ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,722 INFO L158 Benchmark]: Boogie Preprocessor took 29.12ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,722 INFO L158 Benchmark]: RCFGBuilder took 574.24ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 72.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,725 INFO L158 Benchmark]: TraceAbstraction took 2205.47ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 71.8MB in the beginning and 142.9MB in the end (delta: -71.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:20,726 INFO L158 Benchmark]: Witness Printer took 167.18ms. Allocated memory is still 205.5MB. Free memory was 142.9MB in the beginning and 135.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:20,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 159.4MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.45ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 99.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.57ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.12ms. Allocated memory is still 159.4MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.24ms. Allocated memory is still 159.4MB. Free memory was 95.5MB in the beginning and 72.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2205.47ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 71.8MB in the beginning and 142.9MB in the end (delta: -71.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 167.18ms. Allocated memory is still 205.5MB. Free memory was 142.9MB in the beginning and 135.6MB 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [91] - GenericResultAtLocation [Line: 129]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [129] - GenericResultAtLocation [Line: 224]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [224] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [324] - GenericResultAtLocation [Line: 690]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [690] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] - GenericResultAtLocation [Line: 770]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [770] * 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: 695]: 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, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 385 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 212 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 121 PreInvPairs, 132 NumberOfFragments, 133 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 341 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 19/19 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: 712]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (tmp == 1)) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:17:20,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3b795a-ce57-409c-8c6f-fd836e33b2d3/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