./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:12:58,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:12:58,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:12:58,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:12:58,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:12:58,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:12:58,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:12:58,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:12:58,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:12:58,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:12:58,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:12:58,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:12:58,597 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:12:58,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:12:58,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:12:58,599 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:12:58,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:12:58,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:12:58,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:12:58,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:12:58,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:12:58,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:12:58,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:12:58,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:12:58,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:12:58,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:12:58,607 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:12:58,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:12:58,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:12:58,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:12:58,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:12:58,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:12:58,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:12:58,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:12:58,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:12:58,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:12:58,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:12:58,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:12:58,627 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:12:58,627 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_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2023-11-06 22:12:58,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:12:58,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:12:58,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:12:59,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:12:59,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:12:59,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2023-11-06 22:13:02,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:13:02,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:13:02,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2023-11-06 22:13:02,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/data/55bc84874/03dcd6537b2f487682bd9ab3bce3e5c2/FLAG4dd4ad6ce [2023-11-06 22:13:02,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/data/55bc84874/03dcd6537b2f487682bd9ab3bce3e5c2 [2023-11-06 22:13:02,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:13:02,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:13:02,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:02,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:13:02,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:13:02,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:02" (1/1) ... [2023-11-06 22:13:02,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2e7f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:02, skipping insertion in model container [2023-11-06 22:13:02,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:02" (1/1) ... [2023-11-06 22:13:02,612 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:13:02,826 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_750ab925-fe61-4c1a-a6a4-f332630802c8/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2023-11-06 22:13:02,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:02,957 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:13:02,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-06 22:13:02,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2023-11-06 22:13:02,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] [2023-11-06 22:13:02,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] [2023-11-06 22:13:02,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] [2023-11-06 22:13:02,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] [2023-11-06 22:13:02,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2023-11-06 22:13:02,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] [2023-11-06 22:13:02,991 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_750ab925-fe61-4c1a-a6a4-f332630802c8/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c[6299,6312] [2023-11-06 22:13:03,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:03,047 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:13:03,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03 WrapperNode [2023-11-06 22:13:03,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:03,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:03,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:13:03,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:13:03,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,095 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 148 [2023-11-06 22:13:03,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:03,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:13:03,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:13:03,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:13:03,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:13:03,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:13:03,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:13:03,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:13:03,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (1/1) ... [2023-11-06 22:13:03,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:13:03,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:03,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:13:03,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:13:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:13:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:13:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:13:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:13:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:13:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:13:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:13:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-06 22:13:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-06 22:13:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:13:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:13:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:13:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:13:03,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:13:03,419 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:13:03,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:13:03,719 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:13:03,726 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:13:03,729 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:13:03,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:03 BoogieIcfgContainer [2023-11-06 22:13:03,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:13:03,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:13:03,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:13:03,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:13:03,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:13:02" (1/3) ... [2023-11-06 22:13:03,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1972f444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:03, skipping insertion in model container [2023-11-06 22:13:03,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:03" (2/3) ... [2023-11-06 22:13:03,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1972f444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:03, skipping insertion in model container [2023-11-06 22:13:03,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:03" (3/3) ... [2023-11-06 22:13:03,747 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2023-11-06 22:13:03,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:13:03,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:13:03,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:13:03,839 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=LoopsAndPotentialCycles, 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;@389eeba5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:13:03,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:13:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:13:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:13:03,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:03,857 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] [2023-11-06 22:13:03,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:03,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1691668141, now seen corresponding path program 1 times [2023-11-06 22:13:03,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:03,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283917660] [2023-11-06 22:13:03,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:03,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:13:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:13:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:13:04,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:04,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283917660] [2023-11-06 22:13:04,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283917660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:04,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:04,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:13:04,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514906044] [2023-11-06 22:13:04,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:04,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:13:04,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:04,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:13:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:13:04,136 INFO L87 Difference]: Start difference. First operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2023-11-06 22:13:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:04,184 INFO L93 Difference]: Finished difference Result 137 states and 184 transitions. [2023-11-06 22:13:04,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:13:04,186 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 [2023-11-06 22:13:04,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:04,197 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:13:04,197 INFO L226 Difference]: Without dead ends: 64 [2023-11-06 22:13:04,203 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 [2023-11-06 22:13:04,209 INFO L413 NwaCegarLoop]: 89 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, 89 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 [2023-11-06 22:13:04,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:13:04,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-06 22:13:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-06 22:13:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 54 states have internal predecessors, (65), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:13:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2023-11-06 22:13:04,262 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 32 [2023-11-06 22:13:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:04,263 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2023-11-06 22:13:04,263 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) [2023-11-06 22:13:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-06 22:13:04,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-06 22:13:04,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:04,267 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] [2023-11-06 22:13:04,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:13:04,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:04,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:04,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1926580266, now seen corresponding path program 1 times [2023-11-06 22:13:04,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:04,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289065331] [2023-11-06 22:13:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:04,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:13:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:13:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:13:04,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:04,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289065331] [2023-11-06 22:13:04,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289065331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:04,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:04,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:13:04,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160708580] [2023-11-06 22:13:04,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:04,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:13:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:04,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:13:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:13:04,427 INFO L87 Difference]: Start difference. First operand 64 states and 80 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) [2023-11-06 22:13:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:04,449 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2023-11-06 22:13:04,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:13:04,450 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 [2023-11-06 22:13:04,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:04,451 INFO L225 Difference]: With dead ends: 88 [2023-11-06 22:13:04,451 INFO L226 Difference]: Without dead ends: 55 [2023-11-06 22:13:04,452 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 [2023-11-06 22:13:04,454 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 18 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 112 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 [2023-11-06 22:13:04,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:13:04,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-06 22:13:04,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-06 22:13:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-06 22:13:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-06 22:13:04,466 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 33 [2023-11-06 22:13:04,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:04,466 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-06 22:13:04,467 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) [2023-11-06 22:13:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-06 22:13:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:13:04,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:04,470 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] [2023-11-06 22:13:04,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:13:04,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:04,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:04,472 INFO L85 PathProgramCache]: Analyzing trace with hash 172632065, now seen corresponding path program 1 times [2023-11-06 22:13:04,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:04,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498592014] [2023-11-06 22:13:04,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:04,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:13:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:13:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:13:04,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:04,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498592014] [2023-11-06 22:13:04,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498592014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:04,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:04,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:13:04,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96875979] [2023-11-06 22:13:04,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:04,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:13:04,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:04,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:13:04,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:13:04,781 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2023-11-06 22:13:05,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:05,018 INFO L93 Difference]: Finished difference Result 207 states and 271 transitions. [2023-11-06 22:13:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:13:05,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 38 [2023-11-06 22:13:05,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:05,023 INFO L225 Difference]: With dead ends: 207 [2023-11-06 22:13:05,024 INFO L226 Difference]: Without dead ends: 160 [2023-11-06 22:13:05,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:13:05,026 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 158 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:05,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 388 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:13:05,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-06 22:13:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 134. [2023-11-06 22:13:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 106 states have (on average 1.330188679245283) internal successors, (141), 113 states have internal predecessors, (141), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-06 22:13:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions. [2023-11-06 22:13:05,082 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 38 [2023-11-06 22:13:05,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:05,083 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions. [2023-11-06 22:13:05,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2023-11-06 22:13:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2023-11-06 22:13:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:13:05,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:05,085 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] [2023-11-06 22:13:05,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:13:05,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:05,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 408348587, now seen corresponding path program 1 times [2023-11-06 22:13:05,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:05,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467834392] [2023-11-06 22:13:05,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:05,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:13:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 22:13:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:05,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:13:05,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:05,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467834392] [2023-11-06 22:13:05,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467834392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:05,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:05,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:13:05,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695262034] [2023-11-06 22:13:05,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:05,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:13:05,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:05,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:13:05,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:13:05,388 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:13:05,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:05,730 INFO L93 Difference]: Finished difference Result 421 states and 565 transitions. [2023-11-06 22:13:05,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:13:05,731 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 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 39 [2023-11-06 22:13:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:05,731 INFO L225 Difference]: With dead ends: 421 [2023-11-06 22:13:05,732 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:13:05,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:13:05,737 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 100 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:05,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 690 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:13:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:13:05,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:13:05,740 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) [2023-11-06 22:13:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:13:05,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2023-11-06 22:13:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:05,741 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:13:05,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:13:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:13:05,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:13:05,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:13:05,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:13:05,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:13:06,453 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 290 301) the Hoare annotation is: true [2023-11-06 22:13:06,453 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 290 301) no Hoare annotation was computed. [2023-11-06 22:13:06,454 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 290 301) no Hoare annotation was computed. [2023-11-06 22:13:06,454 INFO L902 garLoopResultBuilder]: At program point L449(lines 424 453) the Hoare annotation is: true [2023-11-06 22:13:06,454 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 424 453) no Hoare annotation was computed. [2023-11-06 22:13:06,454 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2023-11-06 22:13:06,454 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2023-11-06 22:13:06,454 INFO L902 garLoopResultBuilder]: At program point L438-1(lines 438 442) the Hoare annotation is: true [2023-11-06 22:13:06,455 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-11-06 22:13:06,455 INFO L902 garLoopResultBuilder]: At program point L434-2(lines 434 448) the Hoare annotation is: true [2023-11-06 22:13:06,455 INFO L902 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: true [2023-11-06 22:13:06,455 INFO L899 garLoopResultBuilder]: For program point L430-1(line 430) no Hoare annotation was computed. [2023-11-06 22:13:06,456 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 424 453) the Hoare annotation is: true [2023-11-06 22:13:06,456 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-06 22:13:06,457 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 114 140) no Hoare annotation was computed. [2023-11-06 22:13:06,459 INFO L895 garLoopResultBuilder]: At program point processEnvironment_returnLabel#1(lines 141 147) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2023-11-06 22:13:06,459 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 334 342) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-11-06 22:13:06,459 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-11-06 22:13:06,459 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-06 22:13:06,459 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2023-11-06 22:13:06,459 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 414 421) the Hoare annotation is: false [2023-11-06 22:13:06,460 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 114 140) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-11-06 22:13:06,460 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-11-06 22:13:06,460 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-06 22:13:06,461 INFO L899 garLoopResultBuilder]: For program point L418(line 418) no Hoare annotation was computed. [2023-11-06 22:13:06,461 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2023-11-06 22:13:06,461 INFO L899 garLoopResultBuilder]: For program point L121-2(lines 117 139) no Hoare annotation was computed. [2023-11-06 22:13:06,461 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-06 22:13:06,462 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 62 71) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-11-06 22:13:06,462 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-06 22:13:06,462 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (= ~pumpRunning~0 ~switchedOnBeforeTS~0) [2023-11-06 22:13:06,462 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2023-11-06 22:13:06,462 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 266 277) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-06 22:13:06,463 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 114 140) no Hoare annotation was computed. [2023-11-06 22:13:06,463 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 418) no Hoare annotation was computed. [2023-11-06 22:13:06,463 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 253 260) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:13:06,463 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2023-11-06 22:13:06,466 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2023-11-06 22:13:06,467 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 485 495) the Hoare annotation is: true [2023-11-06 22:13:06,467 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 900 906) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-06 22:13:06,467 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 499 521) the Hoare annotation is: true [2023-11-06 22:13:06,467 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:13:06,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:13:06,467 INFO L902 garLoopResultBuilder]: At program point L408(lines 345 412) the Hoare annotation is: true [2023-11-06 22:13:06,468 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 381) no Hoare annotation was computed. [2023-11-06 22:13:06,468 INFO L899 garLoopResultBuilder]: For program point L375-1(lines 375 381) no Hoare annotation was computed. [2023-11-06 22:13:06,468 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-06 22:13:06,468 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 478 484) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-06 22:13:06,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:13:06,468 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 54 61) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2023-11-06 22:13:06,469 INFO L895 garLoopResultBuilder]: At program point L405(lines 354 406) the Hoare annotation is: false [2023-11-06 22:13:06,469 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:13:06,469 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 907 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-06 22:13:06,469 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2023-11-06 22:13:06,469 INFO L895 garLoopResultBuilder]: At program point L393-2(lines 385 400) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-06 22:13:06,469 INFO L899 garLoopResultBuilder]: For program point L356(lines 355 404) no Hoare annotation was computed. [2023-11-06 22:13:06,469 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 400) no Hoare annotation was computed. [2023-11-06 22:13:06,470 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 174 181) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-06 22:13:06,470 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2023-11-06 22:13:06,470 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2023-11-06 22:13:06,470 INFO L895 garLoopResultBuilder]: At program point L377(line 377) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-06 22:13:06,470 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 238 252) the Hoare annotation is: (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) [2023-11-06 22:13:06,470 INFO L895 garLoopResultBuilder]: At program point L402(lines 355 404) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-06 22:13:06,471 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2023-11-06 22:13:06,471 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2023-11-06 22:13:06,471 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 914 922) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-11-06 22:13:06,471 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2023-11-06 22:13:06,471 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 278 289) no Hoare annotation was computed. [2023-11-06 22:13:06,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 278 289) the Hoare annotation is: true [2023-11-06 22:13:06,471 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 278 289) no Hoare annotation was computed. [2023-11-06 22:13:06,472 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2023-11-06 22:13:06,472 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2023-11-06 22:13:06,472 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 201) the Hoare annotation is: true [2023-11-06 22:13:06,474 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:13:06,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:13:06,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:13:06 BoogieIcfgContainer [2023-11-06 22:13:06,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:13:06,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:13:06,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:13:06,513 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:13:06,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:03" (3/4) ... [2023-11-06 22:13:06,519 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:13:06,530 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:13:06,531 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:13:06,531 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:13:06,531 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:13:06,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-06 22:13:06,538 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:13:06,545 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:13:06,546 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:13:06,546 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:13:06,547 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:13:06,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1) && (1 == systemActive)) && (pumpRunning == switchedOnBeforeTS)) [2023-11-06 22:13:06,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (pumpRunning == switchedOnBeforeTS)) [2023-11-06 22:13:06,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1) && (1 == systemActive)) && (tmp == 1)) [2023-11-06 22:13:06,636 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1) && (1 == systemActive)) && (pumpRunning == switchedOnBeforeTS)) [2023-11-06 22:13:06,637 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (pumpRunning == switchedOnBeforeTS)) [2023-11-06 22:13:06,637 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1) && (1 == systemActive)) && (tmp == 1)) [2023-11-06 22:13:06,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:13:06,688 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:13:06,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:13:06,689 INFO L158 Benchmark]: Toolchain (without parser) took 4144.36ms. Allocated memory is still 207.6MB. Free memory was 178.4MB in the beginning and 84.9MB in the end (delta: 93.6MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,689 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:13:06,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.65ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 162.5MB in the end (delta: 15.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 207.6MB. Free memory was 162.5MB in the beginning and 160.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,690 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 207.6MB. Free memory was 160.6MB in the beginning and 159.7MB in the end (delta: 876.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:13:06,691 INFO L158 Benchmark]: RCFGBuilder took 605.79ms. Allocated memory is still 207.6MB. Free memory was 159.4MB in the beginning and 165.2MB in the end (delta: -5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,691 INFO L158 Benchmark]: TraceAbstraction took 2776.58ms. Allocated memory is still 207.6MB. Free memory was 164.1MB in the beginning and 92.2MB in the end (delta: 71.9MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,692 INFO L158 Benchmark]: Witness Printer took 175.43ms. Allocated memory is still 207.6MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:13:06,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 76.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.65ms. Allocated memory is still 207.6MB. Free memory was 178.2MB in the beginning and 162.5MB in the end (delta: 15.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 207.6MB. Free memory was 162.5MB in the beginning and 160.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 207.6MB. Free memory was 160.6MB in the beginning and 159.7MB in the end (delta: 876.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 605.79ms. Allocated memory is still 207.6MB. Free memory was 159.4MB in the beginning and 165.2MB in the end (delta: -5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2776.58ms. Allocated memory is still 207.6MB. Free memory was 164.1MB in the beginning and 92.2MB in the end (delta: 71.9MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 175.43ms. Allocated memory is still 207.6MB. Free memory was 92.2MB in the beginning and 84.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] - GenericResultAtLocation [Line: 413]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] - GenericResultAtLocation [Line: 422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] * 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: 418]: 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 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 1279 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 911 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 368 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=3, InterpolantAutomatonStates: 28, 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, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 239 PreInvPairs, 372 NumberOfFragments, 183 HoareAnnotationTreeSize, 239 FomulaSimplifications, 602 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 1955 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 239 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: 54]: Loop Invariant Derived loop invariant: (((\result == 1) && (1 == systemActive)) && (tmp == 1)) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (splverifierCounter == 0) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((\result == 1) && (1 == systemActive)) && (tmp == 1)) && (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (splverifierCounter == 0) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((1 == systemActive) && (splverifierCounter == 0)) || ((splverifierCounter == 0) && (pumpRunning == switchedOnBeforeTS))) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((1 == systemActive) && (splverifierCounter == 0)) - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: ((1 == systemActive) && (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((\result == 1) && (1 == systemActive)) && (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (!((switchedOnBeforeTS == 0)) && (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((1 == systemActive) && (pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (pumpRunning == switchedOnBeforeTS) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((pumpRunning == switchedOnBeforeTS) && !((0 == systemActive))) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:13:06,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_750ab925-fe61-4c1a-a6a4-f332630802c8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE