./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl --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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:42,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:42,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:10:42,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:42,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:42,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:42,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:42,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:42,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:10:42,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:10:42,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:42,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:42,352 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:42,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:42,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:10:42,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:42,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:42,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:42,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:42,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:10:42,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:10:42,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:10:42,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:42,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:42,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:42,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:42,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:42,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:10:42,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:42,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:42,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:10:42,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:10:42,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:42,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:10:42,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:10:42,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:10:42,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:10:42,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:10:42,365 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:10:42,366 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_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2023-11-12 02:10:42,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:42,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:42,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:42,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:42,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:42,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-12 02:10:45,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:10:46,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:10:46,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-12 02:10:46,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/data/4565620f1/2883bd335fab427390c7bae98eb33ce9/FLAG6143f6d48 [2023-11-12 02:10:46,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/data/4565620f1/2883bd335fab427390c7bae98eb33ce9 [2023-11-12 02:10:46,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:10:46,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:10:46,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:46,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:10:46,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:10:46,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4ed70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46, skipping insertion in model container [2023-11-12 02:10:46,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:10:46,431 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_e143e4cf-e5d3-419f-8b18-aab62b719c1b/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2023-11-12 02:10:46,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:46,490 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:10:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:10:46,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2023-11-12 02:10:46,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2023-11-12 02:10:46,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2023-11-12 02:10:46,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-11-12 02:10:46,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2023-11-12 02:10:46,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-12 02:10:46,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2023-11-12 02:10:46,553 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_e143e4cf-e5d3-419f-8b18-aab62b719c1b/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2023-11-12 02:10:46,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:46,588 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:10:46,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46 WrapperNode [2023-11-12 02:10:46,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:46,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:46,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:10:46,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:10:46,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,640 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 174 [2023-11-12 02:10:46,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:46,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:10:46,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:10:46,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:10:46,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:10:46,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:10:46,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:10:46,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:10:46,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (1/1) ... [2023-11-12 02:10:46,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:46,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:46,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:10:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:10:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-12 02:10:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-12 02:10:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:10:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:10:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:10:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:10:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:10:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:10:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-12 02:10:46,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-12 02:10:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-12 02:10:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-12 02:10:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:10:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:10:46,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:10:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:10:46,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:10:46,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:10:46,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:10:47,133 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:10:47,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:10:47,141 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:10:47,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:47 BoogieIcfgContainer [2023-11-12 02:10:47,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:10:47,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:10:47,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:10:47,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:10:47,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:10:46" (1/3) ... [2023-11-12 02:10:47,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba38eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:47, skipping insertion in model container [2023-11-12 02:10:47,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:46" (2/3) ... [2023-11-12 02:10:47,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba38eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:47, skipping insertion in model container [2023-11-12 02:10:47,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:47" (3/3) ... [2023-11-12 02:10:47,154 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2023-11-12 02:10:47,182 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:10:47,182 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:10:47,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:10:47,245 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;@103b8f42, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:10:47,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:10:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:10:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:10:47,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:47,259 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1] [2023-11-12 02:10:47,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:47,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:47,265 INFO L85 PathProgramCache]: Analyzing trace with hash 792509939, now seen corresponding path program 1 times [2023-11-12 02:10:47,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:47,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662934833] [2023-11-12 02:10:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:47,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:10:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:10:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:47,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:47,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662934833] [2023-11-12 02:10:47,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662934833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:47,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:47,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:10:47,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482866230] [2023-11-12 02:10:47,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:47,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:10:47,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:47,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:10:47,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:10:47,570 INFO L87 Difference]: Start difference. First operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-11-12 02:10:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:47,607 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2023-11-12 02:10:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:10:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 32 [2023-11-12 02:10:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:47,619 INFO L225 Difference]: With dead ends: 163 [2023-11-12 02:10:47,619 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 02:10:47,623 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 [2023-11-12 02:10:47,627 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:47,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:47,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 02:10:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-12 02:10:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 64 states have internal predecessors, (75), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:10:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2023-11-12 02:10:47,676 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 32 [2023-11-12 02:10:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:47,677 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2023-11-12 02:10:47,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2023-11-12 02:10:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2023-11-12 02:10:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 02:10:47,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:47,681 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1] [2023-11-12 02:10:47,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:10:47,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:47,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:47,683 INFO L85 PathProgramCache]: Analyzing trace with hash 269039961, now seen corresponding path program 1 times [2023-11-12 02:10:47,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:47,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087049002] [2023-11-12 02:10:47,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:10:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:10:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:47,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:47,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087049002] [2023-11-12 02:10:47,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087049002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:47,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:47,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:10:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628808643] [2023-11-12 02:10:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:47,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:10:47,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:47,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:10:47,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:47,911 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-12 02:10:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:47,940 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2023-11-12 02:10:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:10:47,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 33 [2023-11-12 02:10:47,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:47,942 INFO L225 Difference]: With dead ends: 115 [2023-11-12 02:10:47,942 INFO L226 Difference]: Without dead ends: 68 [2023-11-12 02:10:47,943 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 [2023-11-12 02:10:47,945 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:47,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-12 02:10:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-12 02:10:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-12 02:10:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2023-11-12 02:10:47,957 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 33 [2023-11-12 02:10:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:47,958 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2023-11-12 02:10:47,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-12 02:10:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-12 02:10:47,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-12 02:10:47,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:47,960 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:47,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:10:47,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:47,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash 682971623, now seen corresponding path program 1 times [2023-11-12 02:10:47,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:47,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560054642] [2023-11-12 02:10:47,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:10:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:10:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:10:48,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:48,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560054642] [2023-11-12 02:10:48,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560054642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:48,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:48,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:10:48,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425214527] [2023-11-12 02:10:48,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:48,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:10:48,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:48,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:10:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:48,146 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-12 02:10:48,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:48,200 INFO L93 Difference]: Finished difference Result 187 states and 242 transitions. [2023-11-12 02:10:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:10:48,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2023-11-12 02:10:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:48,207 INFO L225 Difference]: With dead ends: 187 [2023-11-12 02:10:48,207 INFO L226 Difference]: Without dead ends: 127 [2023-11-12 02:10:48,208 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 [2023-11-12 02:10:48,210 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:48,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 176 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:48,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-12 02:10:48,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2023-11-12 02:10:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 104 states have internal predecessors, (124), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:10:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2023-11-12 02:10:48,257 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 37 [2023-11-12 02:10:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:48,257 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2023-11-12 02:10:48,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-12 02:10:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2023-11-12 02:10:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-12 02:10:48,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:48,266 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:48,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:10:48,267 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:48,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:48,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1502144112, now seen corresponding path program 1 times [2023-11-12 02:10:48,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:48,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930398177] [2023-11-12 02:10:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:48,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:10:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:10:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:10:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:10:48,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:48,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930398177] [2023-11-12 02:10:48,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930398177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:48,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:48,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:10:48,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470761608] [2023-11-12 02:10:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:48,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:10:48,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:48,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:10:48,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:10:48,457 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:10:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:48,570 INFO L93 Difference]: Finished difference Result 212 states and 275 transitions. [2023-11-12 02:10:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:10:48,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2023-11-12 02:10:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:48,572 INFO L225 Difference]: With dead ends: 212 [2023-11-12 02:10:48,572 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:10:48,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:10:48,580 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 32 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:48,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 203 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:10:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:10:48,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:10:48,582 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) [2023-11-12 02:10:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:10:48,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-12 02:10:48,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:48,583 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:10:48,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:10:48,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:10:48,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:10:48,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:10:48,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:10:48,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:10:48,763 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 869 876) no Hoare annotation was computed. [2023-11-12 02:10:48,763 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 869 876) the Hoare annotation is: true [2023-11-12 02:10:48,764 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 869 876) no Hoare annotation was computed. [2023-11-12 02:10:48,764 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 810 816) no Hoare annotation was computed. [2023-11-12 02:10:48,765 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 810 816) the Hoare annotation is: true [2023-11-12 02:10:48,765 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 538 549) no Hoare annotation was computed. [2023-11-12 02:10:48,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 549) the Hoare annotation is: true [2023-11-12 02:10:48,765 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 538 549) no Hoare annotation was computed. [2023-11-12 02:10:48,765 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-12 02:10:48,766 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 132) no Hoare annotation was computed. [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 135) no Hoare annotation was computed. [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 110 138) no Hoare annotation was computed. [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 591 599) no Hoare annotation was computed. [2023-11-12 02:10:48,766 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 783 809) no Hoare annotation was computed. [2023-11-12 02:10:48,767 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:10:48,767 INFO L899 garLoopResultBuilder]: For program point L837-1(lines 818 842) no Hoare annotation was computed. [2023-11-12 02:10:48,767 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2023-11-12 02:10:48,767 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 582 590) no Hoare annotation was computed. [2023-11-12 02:10:48,767 INFO L899 garLoopResultBuilder]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2023-11-12 02:10:48,767 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 834) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 946) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 601 608) no Hoare annotation was computed. [2023-11-12 02:10:48,768 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:10:48,768 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 933 951) no Hoare annotation was computed. [2023-11-12 02:10:48,769 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 796) no Hoare annotation was computed. [2023-11-12 02:10:48,769 INFO L899 garLoopResultBuilder]: For program point L790-2(lines 786 808) no Hoare annotation was computed. [2023-11-12 02:10:48,769 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 100 109) no Hoare annotation was computed. [2023-11-12 02:10:48,769 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 783 809) no Hoare annotation was computed. [2023-11-12 02:10:48,769 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-12 02:10:48,769 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point L518-2(lines 514 525) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 612 641) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point L637(lines 612 641) no Hoare annotation was computed. [2023-11-12 02:10:48,770 INFO L899 garLoopResultBuilder]: For program point L633(line 633) no Hoare annotation was computed. [2023-11-12 02:10:48,771 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2023-11-12 02:10:48,771 INFO L902 garLoopResultBuilder]: At program point L626-1(lines 626 630) the Hoare annotation is: true [2023-11-12 02:10:48,771 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-11-12 02:10:48,771 INFO L902 garLoopResultBuilder]: At program point L622-2(lines 622 636) the Hoare annotation is: true [2023-11-12 02:10:48,771 INFO L902 garLoopResultBuilder]: At program point L618(line 618) the Hoare annotation is: true [2023-11-12 02:10:48,772 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 641) the Hoare annotation is: true [2023-11-12 02:10:48,772 INFO L899 garLoopResultBuilder]: For program point L618-1(line 618) no Hoare annotation was computed. [2023-11-12 02:10:48,772 INFO L895 garLoopResultBuilder]: At program point L766(lines 721 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:10:48,772 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:10:48,772 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2023-11-12 02:10:48,772 INFO L899 garLoopResultBuilder]: For program point L956-1(lines 956 962) no Hoare annotation was computed. [2023-11-12 02:10:48,772 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 703) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point L696-2(lines 696 703) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 675 685) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 64 70) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 686 708) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point L722(lines 721 768) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 764) no Hoare annotation was computed. [2023-11-12 02:10:48,773 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 667 673) no Hoare annotation was computed. [2023-11-12 02:10:48,774 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:10:48,774 INFO L899 garLoopResultBuilder]: For program point L772(lines 711 776) no Hoare annotation was computed. [2023-11-12 02:10:48,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:10:48,774 INFO L895 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: false [2023-11-12 02:10:48,774 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2023-11-12 02:10:48,774 INFO L899 garLoopResultBuilder]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2023-11-12 02:10:48,774 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 92 99) no Hoare annotation was computed. [2023-11-12 02:10:48,775 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2023-11-12 02:10:48,775 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:10:48,775 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 71 77) no Hoare annotation was computed. [2023-11-12 02:10:48,775 INFO L895 garLoopResultBuilder]: At program point L769(lines 720 770) the Hoare annotation is: false [2023-11-12 02:10:48,775 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 763) no Hoare annotation was computed. [2023-11-12 02:10:48,775 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 751 764) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:10:48,775 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 952 966) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 78 86) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point L741-1(lines 741 747) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 526 537) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 526 537) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 526 537) the Hoare annotation is: true [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 888 896) no Hoare annotation was computed. [2023-11-12 02:10:48,776 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 888 896) no Hoare annotation was computed. [2023-11-12 02:10:48,777 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 888 896) the Hoare annotation is: true [2023-11-12 02:10:48,779 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:10:48,782 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:10:48,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:10:48 BoogieIcfgContainer [2023-11-12 02:10:48,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:10:48,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:10:48,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:10:48,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:10:48,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:47" (3/4) ... [2023-11-12 02:10:48,802 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:10:48,809 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-12 02:10:48,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-12 02:10:48,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:10:48,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:10:48,810 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:10:48,811 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:10:48,811 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-12 02:10:48,827 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:10:48,828 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:10:48,828 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:10:48,829 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:10:48,829 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:10:48,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:10:48,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:10:48,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:10:48,964 INFO L158 Benchmark]: Toolchain (without parser) took 2839.98ms. Allocated memory is still 157.3MB. Free memory was 128.2MB in the beginning and 75.6MB in the end (delta: 52.5MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,964 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 119.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:48,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.50ms. Allocated memory is still 157.3MB. Free memory was 128.2MB in the beginning and 108.5MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.59ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,968 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 157.3MB. Free memory was 106.5MB in the beginning and 104.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,968 INFO L158 Benchmark]: RCFGBuilder took 453.97ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 88.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,969 INFO L158 Benchmark]: TraceAbstraction took 1651.91ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 82.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,971 INFO L158 Benchmark]: Witness Printer took 163.49ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 75.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:10:48,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 119.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.50ms. Allocated memory is still 157.3MB. Free memory was 128.2MB in the beginning and 108.5MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.59ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 157.3MB. Free memory was 106.5MB in the beginning and 104.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.97ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 88.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1651.91ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 82.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 163.49ms. Allocated memory is still 157.3MB. Free memory was 82.7MB in the beginning and 75.6MB in the end (delta: 7.1MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * 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: 605]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 635 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 286 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 349 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 21 LocationsWithAnnotation, 121 PreInvPairs, 133 NumberOfFragments, 79 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 721]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-12 02:10:49,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e143e4cf-e5d3-419f-8b18-aab62b719c1b/bin/uautomizer-verify-uTZkv6EMXl/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