./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:52:12,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:52:12,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 23:52:12,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:52:12,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:52:12,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:52:12,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:52:12,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:52:12,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:52:12,737 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:52:12,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:52:12,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:52:12,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:52:12,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:52:12,740 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:52:12,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:52:12,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:52:12,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:52:12,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:52:12,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:52:12,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:52:12,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:52:12,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:52:12,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:52:12,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:52:12,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:52:12,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:52:12,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:52:12,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:52:12,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:52:12,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:52:12,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:52:12,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:52:12,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:52:12,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:52:12,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:52:12,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:52:12,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:52:12,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:52:12,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:52:12,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:52:12,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:52:12,750 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2023-11-28 23:52:12,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:52:13,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:52:13,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:52:13,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:52:13,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:52:13,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2023-11-28 23:52:15,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:52:15,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:52:15,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2023-11-28 23:52:15,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/data/e5496064e/81372b805b8b4df6a38626681c4e5ff5/FLAG7719bc6a4 [2023-11-28 23:52:15,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/data/e5496064e/81372b805b8b4df6a38626681c4e5ff5 [2023-11-28 23:52:15,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:52:15,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:52:15,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:52:15,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:52:16,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:52:16,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:15" (1/1) ... [2023-11-28 23:52:16,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7797c4d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16, skipping insertion in model container [2023-11-28 23:52:16,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:15" (1/1) ... [2023-11-28 23:52:16,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:52:16,258 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_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2023-11-28 23:52:16,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:16,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:52:16,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-28 23:52:16,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2023-11-28 23:52:16,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2023-11-28 23:52:16,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2023-11-28 23:52:16,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] [2023-11-28 23:52:16,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2023-11-28 23:52:16,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2023-11-28 23:52:16,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] [2023-11-28 23:52:16,365 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_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2023-11-28 23:52:16,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:52:16,405 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:52:16,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16 WrapperNode [2023-11-28 23:52:16,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:52:16,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:52:16,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:52:16,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:52:16,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,456 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-11-28 23:52:16,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:52:16,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:52:16,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:52:16,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:52:16,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,487 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:52:16,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:52:16,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:52:16,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:52:16,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:52:16,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (1/1) ... [2023-11-28 23:52:16,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:52:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:16,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:52:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:52:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-28 23:52:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-28 23:52:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-28 23:52:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-28 23:52:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-28 23:52:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-28 23:52:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-28 23:52:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-28 23:52:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-28 23:52:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-28 23:52:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-28 23:52:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-28 23:52:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-28 23:52:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-28 23:52:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:52:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-28 23:52:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-28 23:52:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:52:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:52:16,643 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:52:16,645 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:52:16,866 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:52:16,935 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:52:16,936 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 23:52:16,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:16 BoogieIcfgContainer [2023-11-28 23:52:16,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:52:16,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:52:16,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:52:16,943 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:52:16,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:52:15" (1/3) ... [2023-11-28 23:52:16,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43696cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:52:16, skipping insertion in model container [2023-11-28 23:52:16,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:16" (2/3) ... [2023-11-28 23:52:16,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43696cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:52:16, skipping insertion in model container [2023-11-28 23:52:16,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:16" (3/3) ... [2023-11-28 23:52:16,946 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2023-11-28 23:52:16,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:52:16,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:52:17,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:52:17,025 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=PETRI_NET, 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;@3bee4beb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:52:17,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:52:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 49 states have (on average 1.530612244897959) internal successors, (75), 58 states have internal predecessors, (75), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-28 23:52:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-28 23:52:17,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:17,041 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] [2023-11-28 23:52:17,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:52:17,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1806700508, now seen corresponding path program 1 times [2023-11-28 23:52:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:17,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916815580] [2023-11-28 23:52:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-28 23:52:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 23:52:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 23:52:17,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:17,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916815580] [2023-11-28 23:52:17,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916815580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:17,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:17,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:52:17,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93851655] [2023-11-28 23:52:17,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:17,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:52:17,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:17,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:52:17,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:52:17,297 INFO L87 Difference]: Start difference. First operand has 74 states, 49 states have (on average 1.530612244897959) internal successors, (75), 58 states have internal predecessors, (75), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-11-28 23:52:17,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:17,352 INFO L93 Difference]: Finished difference Result 146 states and 211 transitions. [2023-11-28 23:52:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:52:17,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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 [2023-11-28 23:52:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:17,363 INFO L225 Difference]: With dead ends: 146 [2023-11-28 23:52:17,363 INFO L226 Difference]: Without dead ends: 69 [2023-11-28 23:52:17,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:52:17,370 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:17,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:52:17,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-28 23:52:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-28 23:52:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 54 states have internal predecessors, (65), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-28 23:52:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2023-11-28 23:52:17,409 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 22 [2023-11-28 23:52:17,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:17,409 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2023-11-28 23:52:17,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-11-28 23:52:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-28 23:52:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-28 23:52:17,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:17,413 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] [2023-11-28 23:52:17,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:52:17,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:52:17,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:17,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2045989117, now seen corresponding path program 1 times [2023-11-28 23:52:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:17,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220237486] [2023-11-28 23:52:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:17,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-28 23:52:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-28 23:52:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 23:52:17,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:17,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220237486] [2023-11-28 23:52:17,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220237486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:17,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:17,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:52:17,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709905703] [2023-11-28 23:52:17,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:17,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:52:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:17,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:17,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:17,517 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-28 23:52:17,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:17,553 INFO L93 Difference]: Finished difference Result 108 states and 146 transitions. [2023-11-28 23:52:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:17,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2023-11-28 23:52:17,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:17,556 INFO L225 Difference]: With dead ends: 108 [2023-11-28 23:52:17,556 INFO L226 Difference]: Without dead ends: 61 [2023-11-28 23:52:17,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:17,558 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:17,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:52:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-28 23:52:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-28 23:52:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 49 states have internal predecessors, (59), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-28 23:52:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions. [2023-11-28 23:52:17,569 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 23 [2023-11-28 23:52:17,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:17,570 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 83 transitions. [2023-11-28 23:52:17,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-28 23:52:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-28 23:52:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-28 23:52:17,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:17,572 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] [2023-11-28 23:52:17,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:52:17,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:52:17,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2131149741, now seen corresponding path program 1 times [2023-11-28 23:52:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:17,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741430258] [2023-11-28 23:52:17,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:17,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 23:52:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-28 23:52:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-28 23:52:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:17,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741430258] [2023-11-28 23:52:17,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741430258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:17,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:52:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436574381] [2023-11-28 23:52:17,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:17,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:52:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:17,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:17,670 INFO L87 Difference]: Start difference. First operand 61 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-28 23:52:17,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:17,730 INFO L93 Difference]: Finished difference Result 179 states and 246 transitions. [2023-11-28 23:52:17,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:17,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 26 [2023-11-28 23:52:17,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:17,734 INFO L225 Difference]: With dead ends: 179 [2023-11-28 23:52:17,734 INFO L226 Difference]: Without dead ends: 120 [2023-11-28 23:52:17,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:17,736 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 67 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:17,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 152 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:52:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-28 23:52:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-11-28 23:52:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 93 states have internal predecessors, (113), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-28 23:52:17,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2023-11-28 23:52:17,760 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 26 [2023-11-28 23:52:17,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:17,760 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2023-11-28 23:52:17,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-28 23:52:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2023-11-28 23:52:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-28 23:52:17,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:52:17,763 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, 1] [2023-11-28 23:52:17,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:52:17,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:52:17,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:17,764 INFO L85 PathProgramCache]: Analyzing trace with hash 950324196, now seen corresponding path program 1 times [2023-11-28 23:52:17,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:17,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753284722] [2023-11-28 23:52:17,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-28 23:52:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-28 23:52:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:52:17,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:17,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753284722] [2023-11-28 23:52:17,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753284722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:17,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:17,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 23:52:17,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504697227] [2023-11-28 23:52:17,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:17,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:52:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:52:17,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:52:17,872 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:52:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:17,985 INFO L93 Difference]: Finished difference Result 204 states and 279 transitions. [2023-11-28 23:52:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:52:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2023-11-28 23:52:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:52:17,986 INFO L225 Difference]: With dead ends: 204 [2023-11-28 23:52:17,986 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 23:52:17,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-28 23:52:17,990 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 48 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:52:17,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 145 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:52:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 23:52:17,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 23:52:17,991 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) [2023-11-28 23:52:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 23:52:17,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-28 23:52:17,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:52:17,991 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 23:52:17,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-28 23:52:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 23:52:17,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 23:52:17,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 23:52:17,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 23:52:17,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 23:52:18,205 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 728 735) no Hoare annotation was computed. [2023-11-28 23:52:18,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 735) the Hoare annotation is: true [2023-11-28 23:52:18,207 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 661 667) no Hoare annotation was computed. [2023-11-28 23:52:18,207 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 661 667) the Hoare annotation is: true [2023-11-28 23:52:18,207 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2023-11-28 23:52:18,207 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 469) the Hoare annotation is: true [2023-11-28 23:52:18,208 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2023-11-28 23:52:18,208 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 970) no Hoare annotation was computed. [2023-11-28 23:52:18,209 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 973) no Hoare annotation was computed. [2023-11-28 23:52:18,209 INFO L899 garLoopResultBuilder]: For program point L956-1(lines 948 976) no Hoare annotation was computed. [2023-11-28 23:52:18,211 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 23:52:18,211 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-11-28 23:52:18,211 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 23:52:18,212 INFO L899 garLoopResultBuilder]: For program point L961(lines 961 967) no Hoare annotation was computed. [2023-11-28 23:52:18,212 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,212 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 695 719) no Hoare annotation was computed. [2023-11-28 23:52:18,212 INFO L899 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2023-11-28 23:52:18,212 INFO L895 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,213 INFO L899 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2023-11-28 23:52:18,213 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2023-11-28 23:52:18,213 INFO L899 garLoopResultBuilder]: For program point L438-2(lines 434 445) no Hoare annotation was computed. [2023-11-28 23:52:18,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,213 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2023-11-28 23:52:18,214 INFO L899 garLoopResultBuilder]: For program point L641-2(lines 637 659) no Hoare annotation was computed. [2023-11-28 23:52:18,214 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 711) no Hoare annotation was computed. [2023-11-28 23:52:18,214 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 716) no Hoare annotation was computed. [2023-11-28 23:52:18,215 INFO L895 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,215 INFO L899 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2023-11-28 23:52:18,216 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 660) no Hoare annotation was computed. [2023-11-28 23:52:18,216 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2023-11-28 23:52:18,217 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2023-11-28 23:52:18,218 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 523 552) no Hoare annotation was computed. [2023-11-28 23:52:18,218 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2023-11-28 23:52:18,218 INFO L902 garLoopResultBuilder]: At program point L537-1(lines 537 541) the Hoare annotation is: true [2023-11-28 23:52:18,219 INFO L902 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: true [2023-11-28 23:52:18,219 INFO L902 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2023-11-28 23:52:18,219 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-11-28 23:52:18,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 552) the Hoare annotation is: true [2023-11-28 23:52:18,219 INFO L899 garLoopResultBuilder]: For program point L548(lines 523 552) no Hoare annotation was computed. [2023-11-28 23:52:18,219 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2023-11-28 23:52:18,219 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2023-11-28 23:52:18,219 INFO L895 garLoopResultBuilder]: At program point L882(lines 837 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-28 23:52:18,220 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-28 23:52:18,220 INFO L895 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: false [2023-11-28 23:52:18,220 INFO L899 garLoopResultBuilder]: For program point L838(lines 837 884) no Hoare annotation was computed. [2023-11-28 23:52:18,220 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2023-11-28 23:52:18,220 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 880) no Hoare annotation was computed. [2023-11-28 23:52:18,220 INFO L899 garLoopResultBuilder]: For program point L611-2(lines 611 618) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-28 23:52:18,221 INFO L899 garLoopResultBuilder]: For program point L888(lines 827 892) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 23:52:18,221 INFO L895 garLoopResultBuilder]: At program point L885(lines 836 886) the Hoare annotation is: false [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2023-11-28 23:52:18,222 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 867 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2023-11-28 23:52:18,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 457) the Hoare annotation is: true [2023-11-28 23:52:18,222 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2023-11-28 23:52:18,223 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 805) no Hoare annotation was computed. [2023-11-28 23:52:18,223 INFO L899 garLoopResultBuilder]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2023-11-28 23:52:18,223 INFO L895 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,223 INFO L899 garLoopResultBuilder]: For program point L688-1(lines 669 693) no Hoare annotation was computed. [2023-11-28 23:52:18,223 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 669 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 23:52:18,223 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 669 693) no Hoare annotation was computed. [2023-11-28 23:52:18,223 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 23:52:18,224 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 23:52:18,224 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2023-11-28 23:52:18,224 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 747 755) no Hoare annotation was computed. [2023-11-28 23:52:18,224 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 747 755) the Hoare annotation is: true [2023-11-28 23:52:18,227 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-28 23:52:18,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:52:18,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:52:18 BoogieIcfgContainer [2023-11-28 23:52:18,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:52:18,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:52:18,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:52:18,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:52:18,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:16" (3/4) ... [2023-11-28 23:52:18,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 23:52:18,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-28 23:52:18,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-28 23:52:18,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-28 23:52:18,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-28 23:52:18,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-28 23:52:18,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-28 23:52:18,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-28 23:52:18,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-28 23:52:18,255 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-28 23:52:18,256 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-28 23:52:18,256 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-28 23:52:18,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 23:52:18,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 23:52:18,352 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 23:52:18,353 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 23:52:18,353 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:52:18,353 INFO L158 Benchmark]: Toolchain (without parser) took 2355.94ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 128.6MB in the beginning and 95.3MB in the end (delta: 33.3MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,354 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 146.9MB in the end (delta: 163.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:52:18,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.14ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 109.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.30ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,354 INFO L158 Benchmark]: Boogie Preprocessor took 46.47ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 104.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,355 INFO L158 Benchmark]: RCFGBuilder took 431.86ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 82.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,355 INFO L158 Benchmark]: TraceAbstraction took 1301.37ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 81.7MB in the beginning and 102.7MB in the end (delta: -20.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,355 INFO L158 Benchmark]: Witness Printer took 111.82ms. Allocated memory is still 213.9MB. Free memory was 101.6MB in the beginning and 95.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-28 23:52:18,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 174.1MB. Free memory was 147.0MB in the beginning and 146.9MB in the end (delta: 163.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.14ms. Allocated memory is still 174.1MB. Free memory was 128.5MB in the beginning and 109.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.30ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 106.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.47ms. Allocated memory is still 174.1MB. Free memory was 106.7MB in the beginning and 104.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.86ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 82.5MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1301.37ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 81.7MB in the beginning and 102.7MB in the end (delta: -20.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 111.82ms. Allocated memory is still 213.9MB. Free memory was 101.6MB in the beginning and 95.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] * 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: 420]: 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 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 279 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 174 PreInvPairs, 186 NumberOfFragments, 103 HoareAnnotationTreeSize, 174 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 246 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 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: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-28 23:52:18,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3c3ab-c431-4a67-81a9-7cfd9f5d74d8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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